Agneta Egenvall
Presentation
Jag arbetar främst med forskning och viss del undervisning inom områdena epidemiologi och evidensbaserad veterinärmedicin. Rent praktiskt innebär detta till exempel hur man som praktiserande veterinär på ett systematiskt sätt håller sig uppdaterad med avseende den senaste utvecklingen. För att praktisera detta väl krävs vana av att använda epidemiologiska begrepp (epidemiologi, läran om förekomst och riskfaktorer för sjukdom i populationer). I forskningen har jag utgått från databaser från bl a försäkringsbolaget Agria (hund, häst och katt), Svenska kennelklubben och Svensk Mjölk. Främst har data från Agria använts för att belysa sjukdomspanoramat hos hund, häst och katt, men även fokuserat på att kontrollera informationens tillförlitlighet i olika databaser.
Veterinär 1986, disputerade 1999, professor i veterinärmedicinsk epidemiologi 2011.
Professor vid Institutionen för Kliniska vetenskaper (KV-UDS); KV Livsmedelsprod.- och försöksdjur gemensam
Forskning
Jag har under en tid främst inriktat min forskning runt hästens hållbarhet med särskilt fokus på biomekanik. Hälta och asymmetri kan numera objektivt utvärderas genom att kvantifiera benens inbördes asymmetri med accelerometerbaserade system. Med sådana studerar vi hästens rörelsemönster, ffa på volt, intressant i många situationer, t ex asymmetrier vid från hältbedömning (ffa hälta) till dressyrridning (ffa sidighet). Ett särskilt intresseområde är hästryttarinteraktion, där biomekaniska metoder kombineras med etologiska observationer, under ridning som i så hög grad som möjligt liknar "vanlig" ridning (den som ryttaren gör varje dag). Bland de biomekaniska metoderna som används är t ex höghastighetsfilmning, tygeltrycksmätning och användning av sk inertial measurement unit teknik aktuella. De senare mäter bl a accelerationer och vinkelhastigheter och kan t ex användas till att bestämma hästens gångart eller kroppsdelars inbördes vinklar. I de två senare fallen kan teknikerna användas även ute i fält vilket kan möjliggöra större epidemiologiska studier där många träningsfaktorer (inte bara rörelsemätningar) kan registreras.
Mitt senaste projekt är kartläggning av främst djurägares kostnader för veterinärvård, men även andra företeelser inom svensk och internationell djursjukvård är av intresse. Projektets första mål har varit att genomföra en omfattande analys av kostnaderna för veterinärvård för djurägare och 2 publikationer har presenterats hittills. Inom detta projekt studerar vi även hur veterinärer upplever och påverkas av ansvarsnämnden för djurens hälso och sjukvård och själva ärenden som skickas till denna. Detta är ett dynamiskt och internationellt projekt som rättar sig efter vad som är mest praktiskt att göra för tillfället. Vad gäller priserna syftar projektet till att ge avnämarna, alla de som är intresserade av priser inom djursjukvården, säkrast möjliga beslutsunderlag för att kunna välja, planera och besluta.
Utvalda publikationer
1: MacKechnie-Guire R, Clayton H, Byström A, Marlin D, Haussler K, Latif S, Blum
N, le Jeune SS, Wanless M, Egenvall A. International Survey Exploring Rider-
Perceived Sidedness of the Horse. Animals (Basel). 2025 Jul 2;15(13):1956. doi:
10.3390/ani15131956. PMID: 40646855; PMCID: PMC12249039.
2: Egenvall A, Valle PS, Hoffman R, Höglund OV, Byström A, Lönnell C, Bonnett
BN. Prices for veterinary care of dogs, cats, and horses in Sweden and Norway:
comparisons between corporate chain, government-run, and independent clinics.
Front Vet Sci. 2025 Apr 17;12:1544996. doi: 10.3389/fvets.2025.1544996. PMID:
40313629; PMCID: PMC12045027.
3: Byström A, Egenvall A, Eisersiö M, Engell MT, Lykken S, Lundesjö Kvart S. The
impact of teaching approach on horse and rider biomechanics during riding
lessons. Heliyon. 2025 Jan 14;11(2):e41947. doi: 10.1016/j.heliyon.2025.e41947.
PMID: 39906839; PMCID: PMC11791127.
4: Egenvall A, Höglund OV, Hoffman R, Valle PS, Andersen PH, Lönnell C, Byström
A, Bonnett BN. Prices for veterinary care of dogs, cats and horses in selected
countries in Europe. Front Vet Sci. 2024 Jul 18;11:1403483. doi:
10.3389/fvets.2024.1403483. PMID: 39091400; PMCID: PMC11292583.
5: Egenvall A, Clayton HM, Byström A. Pilot study of locomotor asymmetry in
horses walking in circles with and without a rider. PeerJ. 2023 Nov 2;11:e16373.
doi: 10.7717/peerj.16373. PMID: 37933258; PMCID: PMC10625764.
6: Persson-Sjodin E, Hernlund E, Pfau T, Andersen PH, Forsström KH, Byström A,
Serra Bragança FM, Hardeman A, Greve L, Egenvall A, Rhodin M. Withers vertical
movement symmetry is useful for locating the primary lame limb in naturally
occurring lameness. Equine Vet J. 2024 Jan;56(1):76-88. doi: 10.1111/evj.13947.
Epub 2023 May 24. PMID: 37226583.
7: Egenvall A, Engström H, Byström A. Back motion in unridden horses in walk,
trot and canter on a circle. Vet Res Commun. 2023 Dec;47(4):1831-1843. doi:
10.1007/s11259-023-10132-y. Epub 2023 May 2. PMID: 37127806; PMCID: PMC10698108.
8: Egenvall A, Byström A, Pökelmann M, Connysson M, Kienapfel-Henseleit K,
Karlsteen M, McGreevy P, Hartmann E. Rein tension in harness trotters during on-
track exercise. Front Vet Sci. 2022 Oct 11;9:987852. doi:
10.3389/fvets.2022.987852. PMID: 36304413; PMCID: PMC9592803.
9: Egenvall A, Byström A, Lindsten A, Clayton HM. A Scoping Review of Equine
Biomechanics Revisited. J Equine Vet Sci. 2022 Jun;113:103920. doi:
10.1016/j.jevs.2022.103920. Epub 2022 Mar 4. PMID: 35257826.
10: Egenvall A, Roepstorff L, Peterson M, Lundholm M, Hernlund E. The
Descriptions and Attitudes of Riders and Arena Owners to 656 Equestrian Sport
Surfaces in Sweden. Front Vet Sci. 2021 Dec 23;8:798910. doi:
10.3389/fvets.2021.798910. PMID: 35004931; PMCID: PMC8732755.
11: Egenvall A, Clayton H, Engell MT, Roepstorff C, Engström H, Byström A. Roll
And Pitch of the Rider's Pelvis During Horseback Riding at Walk on a Circle. J
Equine Vet Sci. 2022 Feb;109:103798. doi: 10.1016/j.jevs.2021.103798. Epub 2021
Oct 29. PMID: 34920247.
12: Hardeman AM, Egenvall A, Serra Bragança FM, Swagemakers JH, Koene MHW,
Roepstorff L, van Weeren R, Byström A. Visual lameness assessment in comparison
to quantitative gait analysis data in horses. Equine Vet J. 2022
Nov;54(6):1076-1085. doi: 10.1111/evj.13545. Epub 2022 Jan 10. PMID: 34913524;
PMCID: PMC9786350.
13: Clayton H, MacKechnie-Guire R, Byström A, Le Jeune S, Egenvall A. Guidelines
for the Measurement of Rein Tension in Equestrian Sport. Animals (Basel). 2021
Sep 30;11(10):2875. doi: 10.3390/ani11102875. PMID: 34679895; PMCID: PMC8532849.
14: Byström A, Hardeman AM, Serra Bragança FM, Roepstorff L, Swagemakers JH, van
Weeren PR, Egenvall A. Differences in equine spinal kinematics between straight
line and circle in trot. Sci Rep. 2021 Jun 18;11(1):12832. doi:
10.1038/s41598-021-92272-2. PMID: 34145339; PMCID: PMC8213771.
15: Eisersiö M, Byström A, Yngvesson J, Baragli P, Lanata A, Egenvall A. Rein
Tension Signals Elicit Different Behavioral Responses When Comparing Bitted
Bridle and Halter. Front Vet Sci. 2021 May 7;8:652015. doi:
10.3389/fvets.2021.652015. PMID: 34026891; PMCID: PMC8138478.
16: Hardeman AM, Egenvall A, Serra Bragança FM, Koene MHW, Swagemakers JH,
Roepstorff L, van Weeren R, Byström A. Movement asymmetries in horses presented
for prepurchase or lameness examination. Equine Vet J. 2022 Mar;54(2):334-346.
doi: 10.1111/evj.13453. Epub 2021 Jun 9. PMID: 33862666; PMCID: PMC9291531.
17: Egenvall A, Marr CM, Byström A. Study design synopsis: How to conduct,
prepare, analyse and report equine biomechanical studies. Equine Vet J. 2021
Jul;53(4):645-648. doi: 10.1111/evj.13439. Epub 2021 Mar 12. PMID: 33710671.
18: Delicano RA, Hammar U, Egenvall A, Westgarth C, Mubanga M, Byberg L, Fall T,
Kennedy B. The shared risk of diabetes between dog and cat owners and their
pets: register based cohort study. BMJ. 2020 Dec 10;371:m4337. doi:
10.1136/bmj.m4337. PMID: 33303475; PMCID: PMC7726310.
19: Egenvall A, Engström H, Byström A. Kinematic effects of the circle with and
without rider in walking horses. PeerJ. 2020 Nov 18;8:e10354. doi:
10.7717/peerj.10354. PMID: 33240661; PMCID: PMC7680050.
20: Byström A, Clayton HM, Hernlund E, Roepstorff L, Rhodin M, Bragança FS,
Engell MT, van Weeren R, Weishaupt MA, Egenvall A. Asymmetries of horses walking
and trotting on treadmill with and without rider. Equine Vet J. 2021
Jan;53(1):157-166. doi: 10.1111/evj.13252. Epub 2020 Apr 13. PMID: 32125717.
21: Mubanga M, Byberg L, Egenvall A, Ingelsson E, Fall T. Dog Ownership and
Survival After a Major Cardiovascular Event: A Register-Based Prospective Study.
Circ Cardiovasc Qual Outcomes. 2019 Oct;12(10):e005342. doi:
10.1161/CIRCOUTCOMES.118.005342. Epub 2019 Oct 8. PMID: 31592725.
22: Egenvall A, Clayton HM, Eisersiö M, Roepstorff L, Byström A. Rein Tension in
Transitions and Halts during Equestrian Dressage Training. Animals (Basel). 2019
Sep 23;9(10):712. doi: 10.3390/ani9100712. PMID: 31547540; PMCID: PMC6827353.
23: Engell MT, Byström A, Hernlund E, Bergh A, Clayton H, Roepstorff L, Egenvall
A. Intersegmental strategies in frontal plane in moderately-skilled riders
analyzed in ridden and un-mounted situations. Hum Mov Sci. 2019 Aug;66:511-520.
doi: 10.1016/j.humov.2019.05.021. Epub 2019 Jun 13. PMID: 31203021.
24: Mubanga M, Byberg L, Egenvall A, Sundström J, Magnusson PKE, Ingelsson E,
Fall T. Dog ownership and cardiovascular risk factors: a nationwide prospective
register-based cohort study. BMJ Open. 2019 Mar 7;9(3):e023447. doi:
10.1136/bmjopen-2018-023447. PMID: 30850401; PMCID: PMC6429732.
25: Byström A, Egenvall A, Roepstorff L, Rhodin M, Bragança FS, Hernlund E, van
Weeren R, Weishaupt MA, Clayton HM. Biomechanical findings in horses showing
asymmetrical vertical excursions of the withers at walk. PLoS One. 2018 Sep
27;13(9):e0204548. doi: 10.1371/journal.pone.0204548. PMID: 30261019; PMCID:
PMC6160136.
26: Byström A, Roepstorff L, Rhodin M, Serra Bragança F, Engell MT, Hernlund E,
Persson-Sjödin E, van Weeren R, Weishaupt MA, Egenvall A. Lateral movement of
the saddle relative to the equine spine in rising and sitting trot on a
treadmill. PLoS One. 2018 Jul 18;13(7):e0200534. doi:
10.1371/journal.pone.0200534. PMID: 30020982; PMCID: PMC6051618.
27: Clayton HM, Hampson A, Fraser P, White A, Egenvall A. Comparison of rider
stability in a flapless saddle versus a conventional saddle. PLoS One. 2018 Jun
6;13(6):e0196960. doi: 10.1371/journal.pone.0196960. PMID: 29874238; PMCID:
PMC5991391.
28: Rhodin M, Persson-Sjodin E, Egenvall A, Serra Bragança FM, Pfau T,
Roepstorff L, Weishaupt MA, Thomsen MH, van Weeren PR, Hernlund E. Vertical
movement symmetry of the withers in horses with induced forelimb and hindlimb
lameness at trot. Equine Vet J. 2018 Nov;50(6):818-824. doi: 10.1111/evj.12844.
Epub 2018 May 17. PMID: 29658147; PMCID: PMC6175082.
29: Mubanga M, Byberg L, Nowak C, Egenvall A, Magnusson PK, Ingelsson E, Fall T.
Dog ownership and the risk of cardiovascular disease and death - a nationwide
cohort study. Sci Rep. 2017 Nov 17;7(1):15821. doi: 10.1038/s41598-017-16118-6.
PMID: 29150678; PMCID: PMC5693989.
30: Hernlund E, Egenvall A, Hobbs SJ, Peterson ML, Northrop AJ, Bergh A, Martin
JH, Roepstorff L. Comparing subjective and objective evaluation of show jumping
competition and warm-up arena surfaces. Vet J. 2017 Sep;227:49-57. doi:
10.1016/j.tvjl.2017.09.001. Epub 2017 Sep 11. PMID: 29031331.
31: Rhodin M, Egenvall A, Haubro Andersen P, Pfau T. Head and pelvic movement
asymmetries at trot in riding horses in training and perceived as free from
lameness by the owner. PLoS One. 2017 Apr 25;12(4):e0176253. doi:
10.1371/journal.pone.0176253. PMID: 28441406; PMCID: PMC5404851.
32: Öhlund M, Egenvall A, Fall T, Hansson-Hamlin H, Röcklinsberg H, Holst BS.
Environmental Risk Factors for Diabetes Mellitus in Cats. J Vet Intern Med. 2017
Jan;31(1):29-35. doi: 10.1111/jvim.14618. Epub 2016 Dec 1. PMID: 27906456;
PMCID: PMC5259626.
33: Egenvall A, Roepstorff L, Eisersiö M, Rhodin M, van Weeren R. Stride-related
rein tension patterns in walk and trot in the ridden horse. Acta Vet Scand. 2015
Dec 30;57:89. doi: 10.1186/s13028-015-0182-3. PMID: 26715156; PMCID: PMC4696263.
34: Holst BS, Axnér E, Öhlund M, Möller L, Egenvall A. Dystocia in the cat
evaluated using an insurance database. J Feline Med Surg. 2017 Jan;19(1):42-47.
doi: 10.1177/1098612X15600482. Epub 2016 Jul 10. PMID: 26297020; PMCID:
PMC10816746.
35: Öhlund M, Fall T, Ström Holst B, Hansson-Hamlin H, Bonnett B, Egenvall A.
Incidence of Diabetes Mellitus in Insured Swedish Cats in Relation to Age, Breed
and Sex. J Vet Intern Med. 2015 Sep-Oct;29(5):1342-7. doi: 10.1111/jvim.13584.
Epub 2015 Jul 14. PMID: 26179258; PMCID: PMC4858030.
36: Pelander L, Ljungvall I, Egenvall A, Syme H, Elliott J, Häggström J.
Incidence of and mortality from kidney disease in over 600,000 insured Swedish
dogs. Vet Rec. 2015 Jun 20;176(25):656. doi: 10.1136/vr.103059. Epub 2015 May 4.
PMID: 25940343.
37: Rhodin M, Roepstorff L, French A, Keegan KG, Pfau T, Egenvall A. Head and
pelvic movement asymmetry during lungeing in horses with symmetrical movement on
the straight. Equine Vet J. 2016 May;48(3):315-20. doi: 10.1111/evj.12446. Epub
2015 May 29. PMID: 25808700; PMCID: PMC5032979.
38: Tranquille CA, Walker VA, Hernlund E, Egenvall A, Roepstorff L, Peterson ML,
Murray RC. Effect of superficial harrowing on surface properties of sand with
rubber and waxed-sand with fibre riding arena surfaces: a preliminary study. Vet
J. 2015 Jan;203(1):59-64. doi: 10.1016/j.tvjl.2014.10.027. Epub 2014 Oct 27.
PMID: 25510315.
39: Heske L, Nødtvedt A, Jäderlund KH, Berendt M, Egenvall A. A cohort study of
epilepsy among 665,000 insured dogs: incidence, mortality and survival after
diagnosis. Vet J. 2014 Dec;202(3):471-6. doi: 10.1016/j.tvjl.2014.09.023. Epub
2014 Oct 13. PMID: 25457266.
40: Hammarberg M, Egenvall A, Pfau T, Rhodin M. Rater agreement of visual
lameness assessment in horses during lungeing. Equine Vet J. 2016
Jan;48(1):78-82. doi: 10.1111/evj.12385. Epub 2015 Feb 2. PMID: 25399722; PMCID:
PMC4964936.
41: Wolff C, Egenvall A, Hanche-Olsen S, Gröndahl G. Spatial and temporal
distribution of incidence of acquired equine polyneuropathy in Norway and
Sweden, 1995-2012. BMC Vet Res. 2014 Nov 15;10:265. doi:
10.1186/s12917-014-0265-9. PMID: 25398211; PMCID: PMC4234854.
42: Pfau T, Jennings C, Mitchell H, Olsen E, Walker A, Egenvall A, Tröster S,
Weller R, Rhodin M. Lungeing on hard and soft surfaces: Movement symmetry of
trotting horses considered sound by their owners. Equine Vet J. 2016
Jan;48(1):83-9. doi: 10.1111/evj.12374. Epub 2014 Dec 18. PMID: 25297461.
43: Jönsson L, Egenvall A, Roepstorff L, Näsholm A, Dalin G, Philipsson J.
Associations of health status and conformation with longevity and lifetime
competition performance in young Swedish Warmblood riding horses: 8,238 cases
(1983-2005). J Am Vet Med Assoc. 2014 Jun 15;244(12):1449-61. doi:
10.2460/javma.244.12.1449. PMID: 24871069.
44: Hagman R, Ström Holst B, Möller L, Egenvall A. Incidence of pyometra in
Swedish insured cats. Theriogenology. 2014 Jul 1;82(1):114-20. doi:
10.1016/j.theriogenology.2014.03.007. Epub 2014 Mar 18. PMID: 24726694.
45: Heske L, Berendt M, Jäderlund KH, Egenvall A, Nødtvedt A. Validation of the
diagnosis canine epilepsy in a Swedish animal insurance database against
practice records. Prev Vet Med. 2014 Jun 1;114(3-4):145-50. doi:
10.1016/j.prevetmed.2014.03.003. Epub 2014 Mar 13. PMID: 24680294.
46: Hernlund E, Egenvall A, Peterson ML, Mahaffey CA, Roepstorff L. Hoof
accelerations at hoof-surface impact for stride types and functional limb types
relevant to show jumping horses. Vet J. 2013 Dec;198 Suppl 1:e27-32. doi:
10.1016/j.tvjl.2013.09.029. PMID: 24511635.
47: Emanuelson U, Egenvall A. The data - sources and validation. Prev Vet Med.
2014 Feb 15;113(3):298-303. doi: 10.1016/j.prevetmed.2013.10.002. Epub 2013 Oct
11. PMID: 24172148.
48: Eisersiö M, Roepstorff L, Weishaupt MA, Egenvall A. Movements of the horse's
mouth in relation to horse-rider kinematic variables. Vet J. 2013 Dec;198 Suppl
1:e33-8. doi: 10.1016/j.tvjl.2013.09.030. Epub 2013 Sep 26. PMID: 24157341.
49: Rhodin M, Pfau T, Roepstorff L, Egenvall A. Effect of lungeing on head and
pelvic movement asymmetry in horses with induced lameness. Vet J. 2013 Dec;198
Suppl 1:e39-45. doi: 10.1016/j.tvjl.2013.09.031. Epub 2013 Sep 26. PMID:
24140227.
50: Egenvall A, Tranquille CA, Lönnell AC, Bitschnau C, Oomen A, Hernlund E,
Montavon S, Franko MA, Murray RC, Weishaupt MA, Weeren vR, Roepstorff L. Days-
lost to training and competition in relation to workload in 263 elite show-
jumping horses in four European countries. Prev Vet Med. 2013 Nov
1;112(3-4):387-400. doi: 10.1016/j.prevetmed.2013.09.013. Epub 2013 Sep 30.
PMID: 24125697.
51: Lönnell AC, Bröjer J, Nostell K, Hernlund E, Roepstorff L, Tranquille CA,
Murray RC, Oomen A, van Weeren R, Bitschnau C, Montavon S, Weishaupt MA,
Egenvall A. Variation in training regimens in professional showjumping yards.
Equine Vet J. 2014 Mar;46(2):233-8. doi: 10.1111/evj.12126. Epub 2013 Aug 29.
PMID: 23802646.
52: Jönsson L, Roepstorff L, Egenvall A, Näsholm A, Dalin G, Philipsson J.
Prevalence of clinical findings at examinations of young Swedish warmblood
riding horses. Acta Vet Scand. 2013 Apr 18;55(1):34. doi:
10.1186/1751-0147-55-34. PMID: 23597257; PMCID: PMC3764978.
53: Lindahl S, Båverud V, Egenvall A, Aspán A, Pringle J. Comparison of sampling
sites and laboratory diagnostic tests for S. equi subsp. equi in horses from
confirmed strangles outbreaks. J Vet Intern Med. 2013 May-Jun;27(3):542-7. doi:
10.1111/jvim.12063. Epub 2013 Mar 25. PMID: 23527817.
54: Jönsson L, Näsholm A, Roepstorff L, Egenvall A, Dalin G, Philipsson J.
Genetic analysis of clinical findings at health examinations of young Swedish
warmblood riding horses. Acta Vet Scand. 2013 Mar 8;55(1):22. doi:
10.1186/1751-0147-55-22. PMID: 23510509; PMCID: PMC3606462.
55: Gröndahl G, Hanche-Olsen S, Bröjer J, Ihler CF, Jäderlund KH, Egenvall A.
Acquired equine polyneuropathy in Norway and Sweden: a clinical and
epidemiological study. Equine Vet J Suppl. 2012 Dec;(43):36-44. doi:
10.1111/j.2042-3306.2012.00679.x. PMID: 23447876.
56: Jitpean S, Hagman R, Ström Holst B, Höglund OV, Pettersson A, Egenvall A.
Breed variations in the incidence of pyometra and mammary tumours in Swedish
dogs. Reprod Domest Anim. 2012 Dec;47 Suppl 6:347-50. doi: 10.1111/rda.12103.
PMID: 23279535.
57: Wolff C, Espetvedt M, Lind AK, Rintakoski S, Egenvall A, Lindberg A,
Emanuelson U. Completeness of the disease recording systems for dairy cows in
Denmark, Finland, Norway and Sweden with special reference to clinical mastitis.
BMC Vet Res. 2012 Aug 6;8:131. doi: 10.1186/1746-6148-8-131. PMID: 22866606;
PMCID: PMC3489834.
58: Egenvall A. Designing studies to meet the task. Vet Rec. 2012 Jun
2;170(22):561-2. doi: 10.1136/vr.e3764. PMID: 22660853.
59: Bergknut N, Egenvall A, Hagman R, Gustås P, Hazewinkel HA, Meij BP,
Lagerstedt AS. Incidence of intervertebral disk degeneration-related diseases
and associated mortality rates in dogs. J Am Vet Med Assoc. 2012 Jun
1;240(11):1300-9. doi: 10.2460/javma.240.11.1300. PMID: 22607596.
60: Windahl U, Reimegård E, Holst BS, Egenvall A, Fernström L, Fredriksson M,
Trowald-Wigh G, Andersson UG. Carriage of methicillin-resistant Staphylococcus
pseudintermedius in dogs--a longitudinal study. BMC Vet Res. 2012 Mar 23;8:34.
doi: 10.1186/1746-6148-8-34. PMID: 22444911; PMCID: PMC3325892.
61: Lönnell C, Roepstorff L, Egenvall A. Variation in equine management factors
between riding schools with high vs. low insurance claims for orthopaedic
injury: a field study. Vet J. 2012 Jul;193(1):109-13. doi:
10.1016/j.tvjl.2011.11.003. Epub 2011 Nov 30. PMID: 22134186.
62: Wolff C, Stevenson M, Emanuelson U, Egenvall A, Lindberg A. Spatial patterns
of recorded mastitis incidence and somatic cell counts in Swedish dairy cows:
implications for surveillance. Geospat Health. 2011 Nov;6(1):117-23. doi:
10.4081/gh.2011.163. PMID: 22109869.
63: Egenvall A, Nødtvedt A, Roepstorff L, Bonnett B. Integrating databases for
research on health and performance in small animals and horses in the Nordic
countries. Acta Vet Scand. 2011;53 Suppl 1(Suppl 1):S4. doi:
10.1186/1751-0147-53-S1-S4. Epub 2011 Jun 20. PMID: 21999438; PMCID: PMC3194123.
64: Houe H, Egenvall A, Virtala AM, Olafsson T, Østerås O. Databases in
veterinary medicine - validation, harmonisation and application: introduction.
Acta Vet Scand. 2011;53 Suppl 1(Suppl 1):S1. doi: 10.1186/1751-0147-53-S1-S1.
Epub 2011 Jun 20. PMID: 21999335; PMCID: PMC3194120.
65: Egenvall A. 'Care, and not fine stables, make a good horse': addressing the
sustainability and welfare of geriatric horses. Vet J. 2012 Apr;192(1):1-2. doi:
10.1016/j.tvjl.2011.08.027. Epub 2011 Oct 1. PMID: 21962827.
66: Jönsson L, Dalin G, Egenvall A, Näsholm A, Roepstorff L, Philipsson J.
Equine hospital data as a source for study of prevalence and heritability of
osteochondrosis and palmar/plantar osseous fragments of Swedish Warmblood
horses. Equine Vet J. 2011 Nov;43(6):695-700. doi:
10.1111/j.2042-3306.2010.00354.x. Epub 2011 May 27. PMID: 21615779.
67: Byström A, Stalfelt A, Egenvall A, Von Peinen K, Morgan K, Roepstorff L.
Influence of girth strap placement and panel flocking material on the saddle
pressure pattern during riding of horses. Equine Vet J Suppl. 2010
Nov;(38):502-9. doi: 10.1111/j.2042-3306.2010.00173.x. PMID: 21059052.
68: Hernlund E, Egenvall A, Roepstorff L. Kinematic characteristics of hoof
landing in jumping horses at elite level. Equine Vet J Suppl. 2010
Nov;(38):462-7. doi: 10.1111/j.2042-3306.2010.00187.x. PMID: 21059046.
69: Hagman R, Lagerstedt AS, Hedhammar Å, Egenvall A. A breed-matched case-
control study of potential risk-factors for canine pyometra. Theriogenology.
2011 Apr 15;75(7):1251-7. doi: 10.1016/j.theriogenology.2010.11.038. Epub 2010
Dec 31. PMID: 21196041.
70: Egenvall A, Bonnett BN, Häggström J, Ström Holst B, Möller L, Nødtvedt A.
Morbidity of insured Swedish cats during 1999-2006 by age, breed, sex, and
diagnosis. J Feline Med Surg. 2010 Dec;12(12):948-59. doi:
10.1016/j.jfms.2010.08.008. Epub 2010 Nov 4. PMID: 21055987; PMCID: PMC11135553.
71: Egenvall A, Lönnell C, Johnston C, Roepstorff L. Orthopaedic health status
of horses from 8 riding schools--a pilot study. Acta Vet Scand. 2010 Aug
20;52(1):50. doi: 10.1186/1751-0147-52-50. PMID: 20727185; PMCID: PMC2939618.
72: Penell JC, Bonnett BN, Pringle J, Egenvall A. Validation of computerized
diagnostic information in a clinical database from a national equine clinic
network. Acta Vet Scand. 2009 Dec 10;51(1):50. doi: 10.1186/1751-0147-51-50.
PMID: 20003256; PMCID: PMC2801496.
73: Bonnett BN, Egenvall A. Age patterns of disease and death in insured Swedish
dogs, cats and horses. J Comp Pathol. 2010 Jan;142 Suppl 1:S33-8. doi:
10.1016/j.jcpa.2009.10.008. Epub 2009 Nov 25. PMID: 19932895.
74: Egenvall A, Nødtvedt A, Penell J, Gunnarsson L, Bonnett BN. Insurance data
for research in companion animals: benefits and limitations. Acta Vet Scand.
2009 Oct 29;51(1):42. doi: 10.1186/1751-0147-51-42. PMID: 19874612; PMCID:
PMC2777155.
75: Malm S, Fikse F, Egenvall A, Bonnett BN, Gunnarsson L, Hedhammar A,
Strandberg E. Association between radiographic assessment of hip status and
subsequent incidence of veterinary care and mortality related to hip dysplasia
in insured Swedish dogs. Prev Vet Med. 2010 Feb 1;93(2-3):222-32. doi:
10.1016/j.prevetmed.2009.09.017. Epub 2009 Oct 12. PMID: 19819036.
76: Mörk MJ, Wolff C, Lindberg A, Vågsholm I, Egenvall A. Validation of a
national disease recording system for dairy cattle against veterinary practice
records. Prev Vet Med. 2010 Feb 1;93(2-3):183-92. doi:
10.1016/j.prevetmed.2009.09.016. Epub 2009 Oct 12. PMID: 19819035.
77: Egenvall A, Nødtvedt A, Häggström J, Ström Holst B, Möller L, Bonnett BN.
Mortality of life-insured Swedish cats during 1999-2006: age, breed, sex, and
diagnosis. J Vet Intern Med. 2009 Nov-Dec;23(6):1175-83. doi:
10.1111/j.1939-1676.2009.0396.x. Epub 2009 Sep 22. PMID: 19780926; PMCID:
PMC7167180.
78: Mörk MJ, Emanuelson U, Lindberg A, Vågsholm I, Egenvall A. Herd and cow
characteristics affecting the odds of veterinary treatment for disease - a
multilevel analysis. Acta Vet Scand. 2009 Aug 22;51(1):34. doi:
10.1186/1751-0147-51-34. PMID: 19698112; PMCID: PMC2736961.
79: Franzén P, Aspan A, Egenvall A, Gunnarsson A, Karlstam E, Pringle J.
Molecular evidence for persistence of Anaplasma phagocytophilum in the absence
of clinical abnormalities in horses after recovery from acute experimental
infection. J Vet Intern Med. 2009 May-Jun;23(3):636-42. doi:
10.1111/j.1939-1676.2009.0317.x. PMID: 19645847.
80: Silverlås C, Björkman C, Egenvall A. Systematic review and meta-analyses of
the effects of halofuginone against calf cryptosporidiosis. Prev Vet Med. 2009
Oct 1;91(2-4):73-84. doi: 10.1016/j.prevetmed.2009.05.003. Epub 2009 Jun 2.
PMID: 19493580.
81: Roepstorff L, Egenvall A, Rhodin M, Byström A, Johnston C, van Weeren PR,
Weishaupt M. Kinetics and kinematics of the horse comparing left and right
rising trot. Equine Vet J. 2009 Mar;41(3):292-6. doi: 10.2746/042516409x397127.
PMID: 19469238.
82: Hanås S, Tidholm A, Egenvall A, Holst BS. Twenty-four hour Holter monitoring
of unsedated healthy cats in the home environment. J Vet Cardiol. 2009
Jun;11(1):17-22. doi: 10.1016/j.jvc.2008.10.003. Epub 2009 May 19. PMID:
19457726.
83: Jäderlund KH, Bergström K, Egenvall A, Hedhammar A. Cerebrospinal fluid PCR
and antibody concentrations against Anaplasma phagocytophilum and Borrelia
burgdorferi sensu lato in dogs with neurological signs. J Vet Intern Med. 2009
May-Jun;23(3):669-72. doi: 10.1111/j.1939-1676.2009.0313.x. Epub 2009 Apr 28.
PMID: 19422467.
84: Denneberg NA, Egenvall A. Evaluation of dog owners' perceptions concerning
radiation therapy. Acta Vet Scand. 2009 Apr 29;51(1):19. doi:
10.1186/1751-0147-51-19. PMID: 19402904; PMCID: PMC2687441.
85: Båverud V, Gunnarsson A, Engvall EO, Franzén P, Egenvall A. Leptospira
seroprevalence and associations between seropositivity, clinical disease and
host factors in horses. Acta Vet Scand. 2009 Mar 30;51(1):15. doi:
10.1186/1751-0147-51-15. PMID: 19331656; PMCID: PMC2679755.
86: Mörk M, Lindberg A, Alenius S, Vågsholm I, Egenvall A. Comparison between
dairy cow disease incidence in data registered by farmers and in data from a
disease-recording system based on veterinary reporting. Prev Vet Med. 2009 Apr
1;88(4):298-307. doi: 10.1016/j.prevetmed.2008.12.005. PMID: 19178966; PMCID:
PMC7114122.
87: Egenvall A, Lönnell C, Roepstorff L. Analysis of morbidity and mortality
data in riding school horses, with special regard to locomotor problems. Prev
Vet Med. 2009 Mar 1;88(3):193-204. doi: 10.1016/j.prevetmed.2008.10.004. Epub
2008 Nov 29. PMID: 19042047.
88: Tell A, Egenvall A, Lundström T, Wattle O. The prevalence of oral ulceration
in Swedish horses when ridden with bit and bridle and when unridden. Vet J. 2008
Dec;178(3):405-10. doi: 10.1016/j.tvjl.2008.09.020. Epub 2008 Nov 21. PMID:
19027332.
89: Frey R, Bergvall K, Egenvall A. Allergen-specific IgE in Icelandic horses
with insect bite hypersensitivity and healthy controls, assessed by
FcepsilonR1alpha-based serology. Vet Immunol Immunopathol. 2008 Nov
15;126(1-2):102-9. doi: 10.1016/j.vetimm.2008.06.010. Epub 2008 Jul 4. PMID:
18676025.
90: Egenvall A, Penell J, Bonnett BN, Blix J, Pringle J. Demographics and costs
of colic in Swedish horses. J Vet Intern Med. 2008 Jul-Aug;22(4):1029-37. doi:
10.1111/j.1939-1676.2008.0136.x. PMID: 18647160.
91: Kendall A, Ley C, Egenvall A, Bröjer J. Radiographic parameters for
diagnosing sand colic in horses. Acta Vet Scand. 2008 Jun 13;50(1):17. doi:
10.1186/1751-0147-50-17. PMID: 18554381; PMCID: PMC2467425.
92: Hernblad Tevell E, Bergvall K, Egenvall A. Sebaceous adenitis in Swedish
dogs, a retrospective study of 104 cases. Acta Vet Scand. 2008 May 25;50(1):11.
doi: 10.1186/1751-0147-50-11. PMID: 18501018; PMCID: PMC2412885.
93: Fall T, Hamlin HH, Hedhammar A, Kämpe O, Egenvall A. Diabetes mellitus in a
population of 180,000 insured dogs: incidence, survival, and breed distribution.
J Vet Intern Med. 2007 Nov-Dec;21(6):1209-16. doi: 10.1892/07-021.1. PMID:
18196728.
94: Egenvall A, Nødtvedt A, von Euler H. Bone tumors in a population of 400 000
insured Swedish dogs up to 10 y of age: incidence and survival. Can J Vet Res.
2007 Oct;71(4):292-9. PMID: 17955904; PMCID: PMC1940277.
95: Nødtvedt A, Bergvall K, Sallander M, Egenvall A, Emanuelson U, Hedhammar A.
A case-control study of risk factors for canine atopic dermatitis among boxer,
bullterrier and West Highland white terrier dogs in Sweden. Vet Dermatol. 2007
Oct;18(5):309-15. doi: 10.1111/j.1365-3164.2007.00617.x. PMID: 17845618.
96: Egenvall A, Bonnett B, Wattle O, Emanuelson U. Veterinary-care events and
costs over a 5-year follow-up period for warmblooded riding horses with or
without previously recorded locomotor problems in Sweden. Prev Vet Med. 2008 Feb
1;83(2):130-43. doi: 10.1016/j.prevetmed.2007.06.008. Epub 2007 Aug 6. PMID:
17681389.
97: Penell JC, Egenvall A, Bonnett BN, Pringle J. Validation of computerized
Swedish horse insurance data against veterinary clinical records. Prev Vet Med.
2007 Dec 14;82(3-4):236-51. doi: 10.1016/j.prevetmed.2007.05.020. Epub 2007 Jul
17. PMID: 17644201.
98: Jäderlund KH, Egenvall A, Bergström K, Hedhammar A. Seroprevalence of
Borrelia burgdorferi sensu lato and Anaplasma phagocytophilum in dogs with
neurological signs. Vet Rec. 2007 Jun 16;160(24):825-31. doi:
10.1136/vr.160.24.825. Erratum in: Vet Rec. 2007 Jul 7;161(1):21. PMID:
17575245.
99: Bergström A, Nødtvedt A, Lagerstedt AS, Egenvall A. Incidence and breed
predilection for dystocia and risk factors for cesarean section in a Swedish
population of insured dogs. Vet Surg. 2006 Dec;35(8):786-91. doi:
10.1111/j.1532-950X.2006.00223.x. PMID: 17187641.
100: Nødtvedt A, Guitian J, Egenvall A, Emanuelson U, Pfeiffer DU. The spatial
distribution of atopic dermatitis cases in a population of insured Swedish dogs.
Prev Vet Med. 2007 Mar 17;78(3-4):210-22. doi: 10.1016/j.prevetmed.2006.10.007.
Epub 2006 Nov 16. PMID: 17112611.
101: Nødtvedt A, Bergvall K, Emanuelson U, Egenvall A. Canine atopic dermatitis:
validation of recorded diagnosis against practice records in 335 insured Swedish
dogs. Acta Vet Scand. 2006 Jun 15;48(1):8. doi: 10.1186/1751-0147-48-8. PMID:
16987404; PMCID: PMC1553461.
102: Egenvall A, Bonnett BN, Häggström J. Heart disease as a cause of death in
insured Swedish dogs younger than 10 years of age. J Vet Intern Med. 2006 Jul-
Aug;20(4):894-903. doi: 10.1892/0891-6640(2006)20[894:hdaaco]2.0.co;2. PMID:
16955814.
103: Egenvall A, Bonnett BN, Olson P, Penell J, Emanuelson U. Association
between costly veterinary-care events and 5-year survival of Swedish insured
warmblooded riding horses. Prev Vet Med. 2006 Nov 17;77(1-2):122-36. doi:
10.1016/j.prevetmed.2006.07.002. Epub 2006 Aug 28. PMID: 16935370.
104: Nødtvedt A, Egenvall A, Bergvall K, Hedhammar A. Incidence of and risk
factors for atopic dermatitis in a Swedish population of insured dogs. Vet Rec.
2006 Aug 19;159(8):241-6. doi: 10.1136/vr.159.8.241. PMID: 16921013.
105: Jonsson H, Egenvall A. Prevalence of gastric ulceration in Swedish
Standardbreds in race training. Equine Vet J. 2006 May;38(3):209-13. doi:
10.2746/042516406776866390. PMID: 16706273.
106: Egenvall A, Penell JC, Bonnett BN, Olson P, Pringle J. Mortality of Swedish
horses with complete life insurance between 1997 and 2000: variations with sex,
age, breed and diagnosis. Vet Rec. 2006 Mar 25;158(12):397-406. doi:
10.1136/vr.158.12.397. PMID: 16565338.
107: Egenvall A, Bonnett BN, Hedhammar A, Olson P. Mortality in over 350,000
insured Swedish dogs from 1995-2000: II. Breed-specific age and survival
patterns and relative risk for causes of death. Acta Vet Scand.
2005;46(3):121-36. doi: 10.1186/1751-0147-46-121. PMID: 16261925; PMCID:
PMC1624818.
108: Bonnett BN, Egenvall A, Hedhammar A, Olson P. Mortality in over 350,000
insured Swedish dogs from 1995-2000: I. Breed-, gender-, age- and cause-specific
rates. Acta Vet Scand. 2005;46(3):105-20. doi: 10.1186/1751-0147-46-105. PMID:
16261924; PMCID: PMC1624819.
109: Penell JC, Egenvall A, Bonnett BN, Olson P, Pringle J. Specific causes of
morbidity among Swedish horses insured for veterinary care between 1997 and
2000. Vet Rec. 2005 Oct 15;157(16):470-7. doi: 10.1136/vr.157.16.470. PMID:
16227382.
110: Egenvall A, Penell JC, Bonnett BN, Olson P, Pringle J. Morbidity of Swedish
horses insured for veterinary care between 1997 and 2000: variations with age,
sex, breed and location. Vet Rec. 2005 Oct 8;157(15):436-43. doi:
10.1136/vr.157.15.436. PMID: 16215244.
111: Egenvall A, Bonnett BN, Ohagen P, Olson P, Hedhammar A, von Euler H.
Incidence of and survival after mammary tumors in a population of over 80,000
insured female dogs in Sweden from 1995 to 2002. Prev Vet Med. 2005 Jun
10;69(1-2):109-27. doi: 10.1016/j.prevetmed.2005.01.014. Epub 2005 Feb 23. PMID:
15899300.
112: Franzén P, Aspan A, Egenvall A, Gunnarsson A, Aberg L, Pringle J. Acute
clinical, hematologic, serologic, and polymerase chain reaction findings in
horses experimentally infected with a European strain of Anaplasma
phagocytophilum. J Vet Intern Med. 2005 Mar-Apr;19(2):232-9. doi:
10.1892/0891-6640(2005)19<232:achsap>2.0.co;2. PMID: 15822569.
113: Egenvall A, Swenson L, Andersson K. Inheritance and determinants of
pulmonary oedema in swedish hunting dogs. Vet Rec. 2004 Jul 31;155(5):144-8.
doi: 10.1136/vr.155.5.144. PMID: 15338707.
114: Egenvall A, Hansson K, Säteri H, Lord PF, Jönsson L. Pulmonary oedema in
Swedish hunting dogs. J Small Anim Pract. 2003 May;44(5):209-17. doi:
10.1111/j.1748-5827.2003.tb00145.x. PMID: 12779172.
115: Engvall EO, Egenvall A. Granulocytic ehrlichiosis in Swedish dogs and
horses. Int J Med Microbiol. 2002 Jun;291 Suppl 33:100-3. doi:
10.1016/s1438-4221(02)80019-4. PMID: 12141731.
116: Lillieh&oulm;&oulm;k I, Egenvall A, Tvedten HW. Hematopathology in dogs
experimentally infected with a Swedish granulocytic Ehrlichia species. Vet Clin
Pathol. 1998;27(4):116-122. doi: 10.1111/j.1939-165x.1998.tb01030.x. PMID:
12075539.
117: Egenvall A, Hagman R, Bonnett BN, Hedhammar A, Olson P, Lagerstedt AS.
Breed risk of pyometra in insured dogs in Sweden. J Vet Intern Med. 2001 Nov-
Dec;15(6):530-8. doi: 10.1892/0891-6640(2001)015<0530:bropii>2.3.co;2. PMID:
11817057.
118: Gunnarsson LK, Zakrisson G, Egenvall A, Christensson DA, Uggla A.
Prevalence of Pneumonyssoides caninum infection in dogs in Sweden. J Am Anim
Hosp Assoc. 2001 Jul-Aug;37(4):331-7. doi: 10.5326/15473317-37-4-331. PMID:
11450833.
119: Egenvall A, Bonnett BN, Olson P, Hedhammar A. Gender, age, breed and
distribution of morbidity and mortality in insured dogs in Sweden during 1995
and 1996. Vet Rec. 2000 Apr 29;146(18):519-25. doi: 10.1136/vr.146.18.519. PMID:
11321213.
120: Egenvall A, Franzén P, Gunnarsson A, Engvall EO, Vågsholm I, Wikström UB,
Artursson K. Cross-sectional study of the seroprevalence to Borrelia burgdorferi
sensu lato and granulocytic Ehrlichia spp. and demographic, clinical and tick-
exposure factors in Swedish horses. Prev Vet Med. 2001 May 1;49(3-4):191-208.
doi: 10.1016/s0167-5877(01)00187-8. PMID: 11311953.
121: Egenvall A, Bonnett BN, Shoukri M, Olson P, Hedhammar A, Dohoo I. Age
pattern of mortality in eight breeds of insured dogs in Sweden. Prev Vet Med.
2000 Jul 3;46(1):1-14. doi: 10.1016/s0167-5877(00)00135-5. PMID: 10854932.
122: Egenvall A, Bonnett BN, Olson P, Hedhammar A. Gender, age and breed pattern
of diagnoses for veterinary care in insured dogs in Sweden during 1996. Vet Rec.
2000 May 6;146(19):551-7. doi: 10.1136/vr.146.19.551. PMID: 10839449.
123: Egenvall A, Lilliehöök I, Bjöersdorff A, Engvall EO, Karlstam E, Artursson
K, Heldtander M, Gunnarsson A. Detection of granulocytic Ehrlichia species DNA
by PCR in persistently infected dogs. Vet Rec. 2000 Feb 12;146(7):186-90. doi:
10.1136/vr.146.7.186. PMID: 10718591.
124: Egenvall A, Bonnett BN, Gunnarsson A, Hedhammar A, Shoukri M, Bornstein S,
Artursson K. Sero-prevalence of granulocytic Ehrlichia spp. and Borrelia
burgdorferi sensu lato in Swedish dogs 1991-94. Scand J Infect Dis.
2000;32(1):19-25. doi: 10.1080/00365540050164164. PMID: 10716072.
125: Egenvall A, Hedhammar A, Bonnett BN, Olson P. Survey of the Swedish dog
population: age, gender, breed, location and enrollment in animal insurance.
Acta Vet Scand. 1999;40(3):231-40. doi: 10.1186/BF03547021. PMID: 10605140;
PMCID: PMC8043223.
126: Lilliehöök I, Johannisson A, Magnusson U, Egenvall A, Trowald-Wigh G,
Håkansson L. Granulocyte function in dogs experimentally infected with a Swedish
granulocytic Ehrlichia species. Vet Immunol Immunopathol. 1999 Feb
1;67(2):141-52. doi: 10.1016/s0165-2427(98)00219-0. PMID: 10077420.
127: Egenvall A, Bjöersdorff A, Lilliehöök I, Olsson Engvall E, Karlstam E,
Artursson K, Hedhammar A, Gunnarsson A. Early manifestations of granulocytic
ehrlichiosis in dogs inoculated experimentally with a Swedish Ehrlichia species
isolate. Vet Rec. 1998 Oct 10;143(15):412-7. doi: 10.1136/vr.143.15.412. PMID:
9807790.
128: Egenvall A, Bonnett BN, Olson P, Hedhammar A. Validation of computerized
Swedish dog and cat insurance data against veterinary practice records. Prev Vet
Med. 1998 Jul 17;36(1):51-65. doi: 10.1016/s0167-5877(98)00073-7. PMID: 9677627.
129: Bonnett BN, Egenvall A, Olson P, Hedhammar A. Mortality in insured Swedish
dogs: rates and causes of death in various breeds. Vet Rec. 1997 Jul
12;141(2):40-4. doi: 10.1136/vr.141.2.40. PMID: 9253830.
130: Egenvall AE, Hedhammar AA, Bjöersdorff AI. Clinical features and serology
of 14 dogs affected by granulocytic ehrlichiosis in Sweden. Vet Rec. 1997 Mar
1;140(9):222-6. doi: 10.1136/vr.140.9.222. PMID: 9076917.