Survey of Equine Referring Veterinarians' Satisfaction with Their Most Recent Equine Referral Experience          下载免费PDF全文

C. Best  J.B. Coe  J. Hewson  M. Meehan  D. Kelton 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2018,32(2):822-831

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Equine pituitary pars intermedia dysfunction: current understanding and recommendations from the Australian and New Zealand Equine Endocrine Group          下载免费PDF全文

CJ Secombe  SR Bailey  MA de Laat  KJ Hughes  AJ Stewart  JM Sonis  RHH Tan 《Australian veterinary journal》2018,96(7):233-242

The purpose of this article is to provide a review of the current knowledge and opinions about the epidemiology, clinical findings (including sequelae), diagnosis, treatment and monitoring of equine pituitary pars intermedia dysfunction, particularly in the Australian context. This information and the recommendations provided will assist practitioners in making informed decisions regarding the diagnosis and management of this disorder.  相似文献   

Canadian veterinarians lead the way          下载免费PDF全文

Hewson CJ 《The Canadian veterinary journal. La revue veterinaire canadienne》2001,42(10):757

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An unusual paracaecal abscess associated with Fusobacterium necrophorum in a horse     

CJ TREVILLIAN  BH ANDERSON  MG COLLETT 《Australian veterinary journal》1998,76(10):659-662

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Enzyme-linked immunosorbent assay for antibodies to Campylobacter fetus in bovine vaginal mucus     

P I Hewson  K P Lander  K P Gill 《Research in veterinary science》1985,38(1):41-45

An enzyme-linked immunosorbent assay (ELISA) was used to detect antibodies to Campylobacter fetus subspecies venerealis in bovine vaginal mucus. The results of testing 168 samples from experimentally infected, field cases and control cows showed that the ELISA was more sensitive than the vaginal mucus agglutination test and also detected antibodies in earlier stages of infection.  相似文献   

Assessment of the potential relationship between egg quality and infectious bronchitis virus infection in Australian layer flocks     

KA Hewson  T Robertson  PA Steer  JM Devlin  AH Noormohammadi  J Ignjatovic 《Australian veterinary journal》2014,92(4):132-138

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Calving rates in a tropical beef herd after treatment with a synthetic progestagen, norgestomet, or a prostaglandin analogue, cloprostenol     

JE FRISCH  CJ O'NEILL 《Australian veterinary journal》1996,73(3):98-102

Maiden heifers and lactating cows of known ovarian status and of several breeds were treated with a synthetic prostaglandin, cloprostenol, or a synthetic progestagen, norgestomet, at the start of an artificial insemination (AI) program. Animals in the cloprostenol treatment received 2 injections 10 days apart. Over the next 26 days those animals that showed oestrous behaviour were inseminated. Synchronisation rates and calving rates to insemination over the first 7 days were calculated. Those in the norgestomet treatment received an implant of norgestomet plus an injection of norgestomet and oestradiol valerate. The implant was removed 10 days later and the animals were given an injection of pregnant mare serum gonadotrophin (PMSG). They were inseminated at 48 h (maiden heifers) or 56 h (lactating cows) after implant removal. Calving rates to fixed-time insemination were recorded. After completion of the AI program the animals in both treatments were joined with bulls. Overall calving rates (AI plus bulls) were calculated. By day 7 of the program, 82% of the maiden heifers and 76% of the lactating cows in the cloprostenol treatment had been detected in oestrus. By day 21 the respective figures were 99% and 81% Norgestomet treatment had an immediate and a prolonged effect on ovarian activity in those females classified as having inactive ovaries at the start of the AI program. Calving rates of those females to fixed-time AI and overall were similar to those of the females with active ovaries in both treatments. Their calving rates to fixed-time insemination, and overall calving rates for the lactating females, were significantly higher than the corresponding values of their contemporaries treated with cloprostenol and inseminated on observed oestrus over 7 days. For those females classified as having active ovaries at the start of the AI program, calving rates to first insemination and overall were similar for both treatments. Overall calving rates of lactating cows of each breed were, with one exception, higher in the norgestomet treatment than in the cloprostenol treatment. Although norgestomet treatment was more expensive than cloprostenol treatment, the advantage in calf crop resulted in an overall monetary advantage to the norgestomet treatment.  相似文献   

Approaches to teaching animal welfare at 13 veterinary schools worldwide     

Hewson CJ  Baranyiová E  Broom DM  Cockram MS  Galindo F  Hanlon AJ  Hanninen L  Hewson C  Lexer D  Mellor DJ  Molento CF  Odberg FO  Serpell JA  Maria Sisto A  Stafford KJ  Stookey JM  Waldau P 《Journal of veterinary medical education》2005,32(4):422-437

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A preliminary equine abuse policy with potential application to veterinary practice     

Christie JL  Hewson CJ  Riley CB  McNiven MA  Dohoo IR  Bate LA 《The Canadian veterinary journal. La revue veterinaire canadienne》2005,46(3):250-252

An equine abuse policy was developed as an adjunct to an equine management survey. If at least 3 of 5 categories caused concern, a report to the authorities was indicated. The policy was not used but, in the absence of other guidelines, it might assist veterinarians considering potential abuse cases.  相似文献   

Management factors affecting stereotypies and body condition score in nonracing horses in Prince Edward Island          下载免费PDF全文

Christie JL  Hewson CJ  Riley CB  McNiven MA  Dohoo IR  Bate LA 《The Canadian veterinary journal. La revue veterinaire canadienne》2006,47(2):136-143

In North America, there are few representative data about the effects of management practices on equine welfare. In a randomized survey of 312 nonracing horses in Prince Edward Island (response rate 68.4%), owners completed a pretested questionnaire and a veterinarian examined each horse. Regression analyses identified factors affecting 2 welfare markers: body condition score (BCS) and stereotypic behavior. Horses' BCSs were high (mean 5.7, on a 9-point scale) and were associated with sex (males had lower BCSs than females; P < 0.001) and examination date (P = 0.052). Prevalences of crib biting, wind sucking, and weaving were 3.8%, 3.8%, and 4.8%, respectively. Age (OR = 1.07, P = 0.08) and hours worked weekly (OR = 1.12, P = 0.03) were risk factors for weaving. Straw bedding (OR = 0.3, P = 0.03), daily hours at pasture (OR = 0.94, P = 0.02), and horse type (drafts and miniatures had a lower risk than light horses; P = 0.12) reduced the risk of horses showing oral stereotypies. Some of these results contradict those of other studies perhaps because of populations concerned.  相似文献