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毛滴虫病是影响鸽养殖业的重要疾病,其不仅引起鸽群发病,更易引发其他疾病的混合感染,发病率及死亡率均较高。本文总结了近年来关于鸽毛滴虫病流行病学调查结果,并综述了鸽毛滴虫病原的诊断及疫苗研究进展,希望对后续的相关深入研究提供参考。 相似文献
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鸽子反复发生毛滴虫病的诊治 总被引：2，自引：0，他引：2
随着我省养禽业往高效优质的方向发展，养鸽业也得到很大的发展。但个体户的分散养殖和规模化的大型养鸽企业并存，品种、产品运输、赛鸽交流和应激因素增多，为疫病传播提供了有利的环境条件。近年来，一些以往危害较轻的疫病，其发生率和死亡率呈上升趋势，鸽病成为养鸽业发展的主要障碍。目前造成巨大危害的各种传染病如鸽新城疫、鸽痘、白痢、霍乱等通过免疫或抗生素等已得到很好的控制。但是各种寄生虫病如毛滴虫病难于清除且易被忽视，或由于抗药性难于通过药物控制好，在笔者近几年所到个鸽场均有反复发生现象，成为防治的难题。笔者就近期对鸽子毛滴虫病的调查与诊治体会报道如下。 相似文献
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<正>鸽新城疫与毛滴虫病混合感染,往往会导致大批肉鸽死亡,给养鸽业带来的危害极大,造成的经济损失非常严重。近几年该类病发生较多,呈上升势头,应该引起足够重视。 相似文献
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Bissett SA Gowan RA O'Brien CR Stone MR Gookin JL 《Australian veterinary journal》2008,86(11):440-443
A 10-week-old female Ocicat was presented at a primary care feline veterinary practice for failure to thrive and diarrhoea. Numerous trophozoites, atypical for Giardia sp., were detected on a direct faecal examination, in addition to Giardia cysts. Although the failure to thrive and diarrhoea resolved following treatment for giardiasis, further diagnostic tests performed on faecal specimens from the kitten and 15 other Ocicats from the same cattery, including culture of trophozoites in In Pouch medium, PCR testing and molecular sequencing of PCR amplicons, confirmed infection with Tritrichomonas cf. foetus. This is the first report in Australia of feline trichomoniasis, which appears to be an emerging infectious disease of cats. Pertinent information regarding the clinical features, diagnosis, therapy, and potential source of feline trichomoniasis within Australia are discussed. 相似文献
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Epidemiologic and economic analyses of an unusually long epizootic of trichomoniasis in a large California dairy herd 总被引：5，自引：0，他引：5
An epizootic of trichomoniasis in a large California dairy herd caused an estimated economic loss of $66,538 ($665/infected cow). Greatest losses were caused by infertility (about 50% of losses caused by excess days open). The disease continued in the herd, despite culling older bulls and replacing them with young uninfected bulls and despite institution of an artificial insemination (AI) breeding program for 2 high-production strings. The AI breeder's practice of checking for estrus by vaginal examination was implicated in the spread of the disease. Of 5 cows that became infected before or at conception, 1 had the infection throughout the gestation period and into the next lactation. The prevalence of trichomoniasis in the herd (estimated on the basis of culture results) was 10.67%. The culture method had a calculated sensitivity of only 58.7%. Of 940 cows in the herd, 132 aborted during the epizootic (8 aborted twice); 45 abortions would have been expected in a dairy herd of this size in the absence of trichomoniasis. In high-density mass-bred herds, conditions and/or management practices may be conducive for trichomoniasis transmission, and generally recommended control programs should be adjusted on such dairies. In particular, dairy operators should not assume that culling older bulls and replacing them with young uninfected bulls and that institution of an AI program will be effective in limiting the spread of the disease. Moreover, a diagnostic test with improved sensitivity would greatly assist in the identification of infected cows. 相似文献
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da Silva NS Ribeiro Cde M Machado AH Pacheco-Soares C 《Veterinary parasitology》2007,146(1-2):175-181
The Tritrichomonas foetus is an amitochondrial parasitic protist which causes bovine trichomoniasis, a major sexually transmitted disease in cattle. No effective drugs for this disease have been approved to this date. Photodynamic therapy (PDT) is an experimental treatment that shows great potential for treating bacteria, fungi, yeasts, and viruses. However, the cytotoxic effect of PDT on protozoan has been poorly studied. In this study, PDT with aluminum phthalocyanine tetrasulfonated (AlPcS4) photosensitizer was efficient in killing T. foetus. The mode of cell death in T. foetus after PDT was investigated by transmission electron microscopy. Morphological changes, such as membrane projections, nucleus fragmentation with peripheral masses of heterochromatin, endoplasmic reticulum proliferation, intense cytoplasmic vacuolization, fragmented axostyle-pelta complex, and internalized flagella could be observed. This is the first report to demonstrate cell death in T. foetus after PDT, and thus will open up new lines of investigation to develop new treatments for bovine trichomoniasis. 相似文献
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Park FJ 《Australian veterinary journal》2011,89(3):82-88
Background Studies of avian trichomoniasis in the literature are limited to some extent, often being confined to a single bird species or group of species within a bird Order. Some incidence studies have been reported for free‐living birds, and occasionally for captive birds. Very few reports describe the prevalence and types of lesions seen for a wide range of bird species, especially from a clinical perspective. Methods Retrospective study of avian practice records from a 10‐year period. Emphasis on the types of presentations and relative prevalence of trichomoniasis in a variety of captive and free‐living bird species encountered in Australian avian practice. Results The occurrence of trichomoniasis in several novel species (lorikeets, corvids and a cuckoo species), plus its distinctive presentation in southern boobook owls (Ninox boobook), is documented. Conclusion Trichomoniasis should be a differential diagnosis for birds presenting with regurgitation or upper gastrointestinal abscesses, even if motile trichomonads are not found in wet preparations from crop washes or lesions. 相似文献
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Control of venereal disease in infected herds 总被引：1，自引：0，他引：1
L Ball D A Dargatz J M Cheney R G Mortimer 《Veterinary Clinics of North America: Food Animal Practice》1987,3(3):561-574
Losses from trichomoniasis can be controlled by management and treatment strategies. The best strategy for control of campylobacteriosis is vaccination of cows and bulls with a competent vaccine. 相似文献
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Trichomoniasis, a major cause of vomiting in budgerigars 总被引：1，自引：0，他引：1
J R Baker 《The Veterinary record》1986,118(16):447-449
Vomiting and retching are common signs of ill health in budgerigars and the usual cause is trichomoniasis of the oesophagus and, or, crop. Clinical, pathological and treatment features are described. 相似文献
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Stockdale HD Dillon AR Newton JC Bird RC Bondurant RH Deinnocentes P Barney S Bulter J Land T Spencer JA Lindsay DS Blagburn BL 《Veterinary parasitology》2008,154(1-2):156-161
Tritrichomonas foetus is recognized as the causative agent of venereal trichomoniasis in cattle. It is characterized by embryonic and early fetal death and post-coital pyometra, and feline trichomoniasis, manifest as chronic, large bowel diarrhea. Many of the infected cats are less than 2 years old and specific routes of transmission remain unknown. We recently demonstrated that feline isolates of T. foetus can successfully infect heifers, resulting in pathologic changes similar, but not identical to those previously reported as representative of bovine trichomoniasis. In this study, we experimentally infected six cats less than 1 year of age with a bovine (D-1) isolate of T. foetus and one cat with a feline (AUTf-1) isolate of T. foetus. Within 2 weeks, the cat infected with the feline (AUTf-1) isolate was culture positive for trichomonads in weekly fecal samples. At the end of 5 weeks, only one cat infected with the bovine (D-1) isolate was fecal culture positive for trichomonads. At necropsy, the intestine of each cat was removed and divided into five sections (ileum, cecum, anterior, medial and posterior colon). Contents from each section were collected and cultured. The cat infected with the feline (AUTf-1) isolate was culture positive in the ileum, cecum, medial and posterior colon. Two cats infected with the bovine (D-1) isolate were culture positive in the cecum only. Additionally, each intestinal section was submitted to a pathologist for histopathological examination. The combined results indicate that there are demonstrable differences between the feline (AUTf-1) and bovine (D-1) isolates regarding their infectivity in cats. 相似文献
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An improved polymerase chain reaction assay for the detection of Tritrichomonas foetus in cattle 
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下载免费PDF全文 Nickel DD Olson ME Schultz GA 《The Canadian veterinary journal. La revue veterinaire canadienne》2002,43(3):213-216
An improved polymerase chain reaction test has been developed to detect Tritrichomonas foetus, the causative agent of trichomoniasis in cattle. The test amplifies a region of the 5.8S ribosomal RNA gene of T. foetus, and it is simple, sensitive, and specific when compared with traditional methods to examine field samples. 相似文献
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J.W.F. Mackintosh B.V.Sc. 《New Zealand veterinary journal》2013,61(3):68-72
Extract Much has been recorded in the literature on diagnosis and treatment of infertility in cattle, with particular reference to brucellosis, trichomoniasis, vibriosis, and, more recently, leptospirosis. A careful search, however, reveals little information upon the cow which, for no apparent reason, continues to return to the bull at regular intervals. 相似文献