Vaccination-related anthrax in three llamas   总被引：1，自引：0，他引：1  

M E Cartwright  A E McChesney  R L Jones 《Journal of the American Veterinary Medical Association》1987,191(6):715-716

Two llama calves died 3 days after inoculation with anthrax vaccine. Concurrent administration of ivermectin and other biologics may have enhanced the infectivity of the Sterne strain vaccine of Bacillus anthracis. This experience suggests that the Sterne strain of anthrax vaccine can induce fatal disease when given to young llamas and should be used only with extreme care and in face of strong "at risk" situations.  相似文献   

Spillover of avian haemosporidian parasites (Haemosporidia: Plasmodium) and death of captive psittacine species          下载免费PDF全文

JK Verwey  A Peters  D Monks  SR Raidal 《Australian veterinary journal》2018,96(3):93-97

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What can’t be taught     

Dan Cartwright 《The Canadian veterinary journal. La revue veterinaire canadienne》2014,55(10):999-914

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Evaluation of a cow‐side milk progesterone assay and assessment of the positive predictive value of oestrus diagnosis by dairy farmers in New South Wales          下载免费PDF全文

L Ingenhoff  E Hall  JK House 《Australian veterinary journal》2016,94(12):445-451

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Polyglandular endocrinopathy type II (Schmidt's syndrome) in a Dobermann pinscher          下载免费PDF全文

J. A. Cartwright  J. Stone  M. Rick  M. D. Dunning 《The Journal of small animal practice》2016,57(9):491-494

A three‐year‐old, female neutered, Dobermann pinscher was presented for investigation of lethargy, episodic collapse, ataxia and myxoedema. Primary hypothyroidism and primary cortisol‐deficient hypoadrenocorticism were diagnosed based on history, physical examination and compatible hormonal analysis. Increased serum concentrations of thyroglobulin autoantibodies and 21‐hydroxylase autoantibodies indicated an immune‐mediated aetiology. The case was complicated by lymphadenopathy with hand‐mirror lymphocytes, classically identified in lymphoma. A polymerase chain reaction test for antigen receptor rearrangement indicated polyclonality and therefore reactive lymphadenopathy. The dog's clinical signs resolved following introduction of levothyroxine and prednisolone. Prioritising the problem‐based approach in this case facilitated the diagnosis of hypoadrenocorticism in addition to hypothyroidism due to the persistence of clinical signs despite thyroxine replacement. Importantly, atypical adrenal gland dysfunction was not misinterpreted as inadequate therapeutic response to thyroxine supplementation. The observation that polyglandular endocrinopathy type II can occur in dogs suggests that in dogs with a suboptimal response to treatment for hypothyroidism or hypoadrenocorticism comorbid endocrinopathies should be investigated.  相似文献   

Immunoglobulin class in relation to neutralisation of transmissible gastro-enteritis virus     

M J Corbel  M Lucas  S F Cartwright 《The Veterinary record》1972,90(23):658-659

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Prevalence of megabacteria in budgerigar colonies     

LJ FILIPPICH  JK HENDRIKZ 《Australian veterinary journal》1998,76(2):92-95

Objective To measure the prevalence of megabacteria in budgerigar-breeding colonies and to evaluate possible methods to reduce the prevalence.
Design A monitoring study over several years.
Sample population Two budgerigar ( Melopsittacus undulatus ) colonies with over 300 birds each.
Procedure The prevalence of megabacteria in the faeces in two budgerigar breeding colonies, colony 1 and 2, was determined by faecal examination of each bird. Following an initial survey (1990), most of the birds that were scored 2+ or more were culled and a management practice was implemented to discriminate against positive birds. Consecutive yearly surveys (1991, 1992) were conducted on the young birds bred in these colonies. The prevalence of megabacteria in colony 2 was also evaluated in 1994 and 1996 after all the birds were treated with amphotericin B administered in drinking water.
Results The prevalence of megabacteria in the two colonies was significantly (P < 0.001) different. Overall the prevalence of megabacteria adjusted for colony differences was significantly higher (P < 0.025) in males compared to females. Age was not an influencing factor. After the initial survey, the prevalence in the offspring did not significantly (P > 0.05) decrease in the following two annual breeding seasons but by inference it did significantly decrease after amphotericin B treatment.
Conclusion The practice of culling most birds with more megabacteria in faeces and discriminating against positive birds when selecting birds for breeding or culling birds on show quality does not decrease megabacteria prevalence in the offspring. However, a reduction in prevalence does occur with administration of amphotericin B. Birds may have amphotericin B-resistant organisms and these birds need to be identified and culled.  相似文献   

The Feline Patient, Essentials of Diagnosis and Treatment     

JK Blackshaw 《Australian veterinary journal》1998,76(12):827-827

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Psittacine inclusion body hepatitis in an aviary   总被引：1，自引：0，他引：1  

M Cartwright  T R Spraker  D McCluggage 《Journal of the American Veterinary Medical Association》1985,187(10):1045-1046

Psittacine inclusion body hepatitis (also known as Pacheco's parrot disease) was believed to be responsible for fatal necrotizing hepatitis and splenitis in a variety of psittacine birds from a private aviary. Splenic cells and degenerative hepatocytes around the outer zone of necrotic areas had margination of nuclear material and large intranuclear inclusion bodies. Clinical signs consisted of weakness, anorexia, vomiting, loose feces, and slight ruffling of feathers. The source of the infection was undetermined, but could have been associated with 3 Patagonian conures within the aviary. Patagonian conures are well-recognized as clinically normal carriers. The outbreak was limited by strict quarantine and disinfection of the aviary for 14 days.  相似文献   

Simulating differences in net returns from beef production under alternative forage systems and management practices     

Aditi K. Angirasa  C.Richard Shumway  T.C. Cartwright 《Agricultural Systems》1985,17(2):99-116

A biological simulation model and a linear programming model were interfaced to determine production efficiencies and the optimal carrying capacity of a cow-calf producer in East Texas and to compare net returns to the model farm, given alternative tame forage systems and management practices. Experimental data both on forage systems and on livestock were used to verify and validate the simulated herds. The results showed that (1) of the three tame forage systems analyzed, warm-season perennial forages provided a relatively higher carrying capacity/ha, whereas a mix of both warm- and cool-season forages that allows year-round grazing gave relatively higher net returns/ha to management; (2) nutritional stress during winter months decreased animal performance proportionately more than it decreased feed costs; and (3) although spring-calving herds included more animals than corresponding fall-calving herds on the same land area, fall-calving herds produced more liveweight sales and generally higher net returns.  相似文献