Use of a controlled-release albendazole capsule in goats     

NC SANGSTER  JM RICKARD  GH COLLINS  DR HENNESSY  JW STEEL 《Australian veterinary journal》1992,69(3):67-68

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Colour mutant alopecia in a Kelpie ×Border Collie dog     

JW FINNIE  VL THAM 《Australian veterinary journal》1993,70(10):388-389

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Reply     

SE RIDGE  JW GALVIN 《Australian veterinary journal》2005,83(12):767-767

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Perivascular wall tumour presenting as pastern mass in a Standardbred gelding     

M Stutsel  M Gimeno  A Young  JW Bell  N Horadagoda 《Australian veterinary journal》2023,101(11):445-448

A 2-year-old Standardbred gelding was referred for a mass on the palmaromedial right front pastern which was accompanied by progressively worsening lameness. The mass was firm to palpation and covered by normal skin. Ultrasonographically, a smooth encapsulated mass was present, medial to the flexor tendons and palmar to the neurovascular bundle. Because of a poor prognosis for future athletic performance without surgical or chemotherapeutic intervention and economic constraints preventing further diagnostics and treatment, the horse was euthanised. Post-mortem magnetic resonance imaging, histopathology and immunohistochemistry revealed the mass to be a perivascular wall tumour, the first record of such a neoplasia in the horse.  相似文献   

An Apparent Outbreak of Cutaneous Papillomatosis in Merino Sheep in Patagonia,Argentina     

Uzal FA  Latorraca A  Ghoddusi M  Horn M  Adamson M  Kelly WR  Schenkel R 《Veterinary research communications》2000,24(3):197-202

A retrospective study was performed on skin samples from an outbreak of cutaneous papillomatosis in Merino sheep that occurred in 1995. The samples were processed for routine histology, electron microscopy and immunocytochemistry for papilloma viruses. Particles of approximately 55 nm diameter were found in some nuclei of the stratum granulosum cells, while immunocytochemistry gave positive staining of cell nuclei in this layer. This study confirms that papillomas associated with papillomaviruses occur in sheep in Patagonia.  相似文献   

Impact of Endocrine‐Disrupting Chemicals on Reproductive Function in Zebrafish (Danio rerio)          下载免费PDF全文

Y Huang  XL Wang  JW Zhang  KS Wu 《Reproduction in domestic animals》2015,50(1):1-6

The prevalence of endocrine‐disrupting chemicals (EDCs) in the aquatic environment has been associated with the wide detection of alterations in the development and physiology of vertebrates. Zebrafish, as a model species, has been extensively used in toxicological research. In this review, we focus on recent published evidence of the harmful effects of EDCs on reproductive function in zebrafish, including skewed sex ratio, immature gonads, diminished sexual behaviour, decreased sperm count, reduced spawning and fertilization. These impairments mostly result from disruption to sex‐steroid hormones induced by endocrine disruptors. We also discuss other effects of exposure to EDCs. In EDC exposure research, despite incomplete assessments of altered gonad histopathology and sexual behaviour, these present potential effective biomarkers or pathways for evaluating the reproductive function in zebrafish on EDC exposure. To date, the pernicious effects of some EDCs on the reproductive performance in laboratory zebrafish are well understood; however, similar alterations remain for further determination in wild‐type fish and more kinds of EDCs. More studies should be performed under established scientific regulatory criteria to investigate the impact of EDCs on reproduction in zebrafish. Moreover, further research is required to explain the definite mechanism of sexual differentiation, which helps in understanding the shift of sexual phenotype with EDC exposure.  相似文献   

An alkaline phosphatase-based method for the detection of infectious salmon anaemia virus (ISAV) in tissue culture and tissue imprints     

L Wilson  S J McBeath  K L Adamson  P F Cook  L M Ellis  I R Bricknell 《Journal of fish diseases》2002,25(10):615-619

Currently, the presence of infectious salmon anaemia virus (ISAV) is often detected in Atlantic salmon by the use of an indirect fluorescent antibody test. This test is limited by the poor stability of fluorescein isothiocyanate which fades after about a week in storage, preventing the development of stained archive material as a reference source. One possible alternative would be the use of immunohistochemical staining methods to detect ISAV. An immunohistochemical method is presented that uses alkaline phosphatase‐conjugated antibodies and Vector^® Red as a substrate, to detect ISAV in kidney imprints. This paper also describes a procedure where Bouin's fluid is used to successfully inhibit endogenous alkaline phosphatase in tissue samples, prior to immunohistochemical processing. This method provides a stable stain that can be read for many weeks after staining or archived for future reference.  相似文献   

The prevalence of itchmite, Psorergates ovis, among sheep flocks with a history of fleece derangement     

PW JOHNSON  JW PLANT  JC BORAY  SC BLUNT  PJ NICHOLLS 《Australian veterinary journal》1990,67(4):117-120

An investigation of sheep flocks in the main sheep raising areas of New South Wales showed that the itchmite Psorergates ovis was frequently associated with fleece derangement. In 26 of the 41 flocks examined, P. ovis was the only ectoparasite detected. P. ovis and the sheep body louse Damalinia ovis, were found in 5 flocks. No external parasites were found on sheep examined from the 10 remaining flocks. The type of fleece derangement most frequently recorded was rubbing which in some cases was combined with areas of chewed fleece. Among flocks, there were positive relations between the prevalence of fleece derangement and prevalence of itchmite or scurf and between itchmite count and mean scurf score. Within flocks, itchmite infested sheep or sheep with scurf had higher prevalences of fleece derangement than sheep on which no mites or no scurf were found. Itchmite infested sheep had a higher prevalence of scurf than those with no detectable mite infestation. There were no significant differences in itchmite populations or fleece derangement between untreated flocks and flocks treated with synthetic pyrethroids, organophosphates or arsenic and rotenone.  相似文献   

Chlamydiosis in workers at a duck farm and processing plant   总被引：4，自引：0，他引：4  

DG HINTON  A. SHIPLEY†  JW GALVIN‡  JT HARKIN‡  RA BRUNTON† 《Australian veterinary journal》1993,70(5):174-176

SUMMARY An outbreak of chlamydiosis was Investigated in workers at a duck farm and processing plant during winter 1989. Chlamydia psittaci was isolated from ducks, but there was little evidence of clinical chlamydiosis in the ducks. Serological tests showed that 76% of workers had been exposed to Infection, 12% recently, 16% had not been exposed and 8% had inconclusive test results. There was a strong association (P < 0.05) between years of employment and exposure to Infection. Infection appeared to be contracted during the first year of employment. Measures were Implemented to reduce shed contamination and control rodents and wild birds. At the same time, ducks were medicated, the processing plant was modified, work practices were altered and workers were advised about chlamydiosis to reduce the risk of human infection.  相似文献   

Reaction to the cotton root-knot nematodes and the pollen and seed fertility of kenaf-roselle (Hibiscus cannabinus × H. sabdariffa) allohexaploids     

F. D. Wilson  W. C. Adamson 《Euphytica》1970,19(3):349-355

Summary Allohexaploid (2n = 108) F₂ and F₃ interspecific hybrids ofHibiscus cannabinus × H. sabdariffa were intermediate in their resistance to the cotton root-knot nematode (Meloidogyne incognita acrita Chitwood 1949) between their moderately resistant, tetraploid parent, roselle (Hibiscus sabdariffa L.) and their susceptible, diploid parent, kenaf (H. cannabinus L.). Whether or not this resistance, as measured by the amount of root galling, is sufficient to be of practical importance is not known at present. However, results were encouraging enough to suggest further testing of the hybrids for agronomic potential, stability, fertility, and response to root-knot, and other parasitic nematodes that attack this potentially important paper-pulp crop.Cooperative investigations of the Crops Research Division, Agricultural Research Service, US Department of Agriculture, and the Texas Agricultural Experiment Station.  相似文献