动物园鸟类肠道寄生虫感染情况调查及治疗效果分析

应用离心沉淀法和饱和蔗糖溶液漂浮法对郑州市动物园鸟类进行肠道寄生虫感染情况调查。对62种鸟类共110份粪便样品进行调查,查出2种寄生虫,寄生虫总感染率为20%,球虫和毛细线虫的感染率分别为18.08%和3.64%。此次调查寄生虫总感染率比2004年降低了40.31%,感染强度也明显降低;与2006年和2007年的感染情况基本一致,表明对动物园鸟类肠道寄生虫应进行长期监控。     

动物园草食动物肠道寄生虫感染情况和治疗效果回顾性分析

应用离心沉淀法和饱和蔗糖溶液漂浮法对郑州市动物园22种草食动物共88份粪便样品进行调查。寄生虫总感染率为19.31%,球虫、线虫和鞭虫感染率分别为7.95%、12.50%和2.27%。数据分析显示,寄生虫感染率逐年递减,比2003年降低了39.95%,感染程度也明显减轻。表明该园防控措施具有良好效果,为今后动物园制定有关寄生虫病防治措施提供了参考依据。     

长沙生态动物园野生动物消化道寄生虫感染情况调查

为了解长沙生态动物园动物感染的寄生虫种类及感染情况,采用饱和盐水漂浮法和沉淀法检查了57种动物的粪样。结果表明:长沙生态动物园动物寄生虫感染率为52.63%,其中食草类动物和灵长类动物阳性率为50%,食肉类动物感染率最高,感染率达76.9%。动物园动物常见感染的寄生虫有球虫、吸虫、线虫、绦虫等,其中线虫感染率最高。     

徐州市郊散养奶牛消化系统寄生虫初步调查

本文采用饱和盐水漂浮法对徐州市郊区散养奶牛消化系统寄生虫进行了初步调查。粪检结果表明：该地区散养奶牛消化系统寄生虫的总感染率为83．19％(94／113)，所获寄生虫13种，隶属于10科13属。通过对各种寄生虫的感染率，不同调查点、不同年龄奶牛寄生虫的感染率及混合感染情况等进行分析，认为徐州市郊散养奶牛寄生虫感染率高，混合感染普遍，应加强寄生虫防治。     

龙岩市部分猪场肠道寄生虫感染情况调查

为了解龙岩市部分猪场的肠道寄生虫感染情况,采集了7个来自龙岩市不同地区的猪场粪便样品569份,采用饱和盐水漂浮法对粪便样品进行检测。实验结果表明,569份粪便样品中,寄生虫感染总阳性率为11．78％,其中球虫感染率最高,为6．68％,小袋虫感染率为3．87％,猪蛔虫感染率为1．23％,未见有其它寄生虫的感染。且不同年龄阶段猪群感染寄生虫情况不一。猪球虫和小袋虫是目前主要存在于龙岩市规模化猪场的危害猪只健康的肠道寄生虫,应引起重视。     

观赏鸟类肠道寄生虫感染情况调查

为了解观赏鸟类肠道寄生虫感染情况,应用饱和蔗糖溶液漂浮法和改良抗酸染色法对郑州市宠物市场观赏鸟类新鲜粪便样品进行检查。此次调查18种鸟共计140份样品,发现5种肠道寄生虫,寄生虫总感染率为52.86%,其中球虫、隐孢子虫、毛细线虫、绦虫和异刺线虫的感染率分别为48.57%、11.43%、2.14%、1.43%和0.71%。结果表明观赏鸟类肠道寄生虫感染较为普遍,应加强防控。     

哈尔滨北方森林动物园观赏肉食目动物寄生蠕虫感染情况调查

为了解哈尔滨北方森林动物园观赏肉食目动物寄生蠕虫的感染状况，于2009年3～5月采用饱和盐水漂浮法和水洗沉淀法对犬、猫、熊和浣熊4科的67只观赏肉食目动物粪便进行了蠕虫虫卵检查。结果有19只检出虫卵，感染率为28．4％。其中猫科、熊科、浣熊科、犬科的感染率分别为63．6％、16．7％、14．3％和5．0％，在检出的虫卵中，各种蛔虫卵占优势。该调查为动物园制定肉食目动物驱虫方案奠定了基础。     

动物园肉、杂食动物消化道寄生虫感染情况调查及驱虫试验

应用饱和盐水漂浮法和麦克马斯特法对郑州动物园猞猁等11种48头（只）肉、杂食动物消化道寄生虫感染情况进行了调查,随后对寄生虫阳性动物进行治疗。结果表明：48头（只）肉、杂食动物消化道寄生虫感染率高达52％,但除1只雄性猞猁感染强度较大外,绝大多数阳性动物感染强度较小。用甲苯咪唑按5mg/kg体重的剂量随食物经口一次投服，用药5 d后检查粪样，虫卵完全转阴。试验结果证明该药对猞猁消化道线虫具有良好的驱除效果。     

河南郏县大尾寒羊肠道寄生虫感染情况调查

为了解大尾寒羊肠道寄生虫感染情况和保护河南省地方品种资源,采用离心沉淀法、卢戈氏碘液染色法和饱和蔗糖溶液漂浮法对河南省郏县某养殖场和散养的大尾寒羊进行了肠道寄生虫感染情况调查。共检查162份新鲜粪便样品,发现大尾寒羊肠道寄生虫感染率高达98．8％,检出10种寄生虫,其中艾美耳球虫（6种）、贾第虫、圆线虫、鞭虫和绦虫感染率分别为95．7％、1．9％、87．0％、27．8％和4-3％,混合感染率88．3％,圆线虫感染严重,平均EPG值3760．9。表明河南郏县大尾寒羊肠道寄生虫感染较为普遍和严重,并可携带人兽共患寄生虫,应加强其肠道寄生虫病的综合防治。     

圈养褐马鸡寄生虫感染现状调查

褐马鸡是地栖生活的大型森林鸟类,为我国特有珍稀鸟类,国家一级重点保护野生动物,是世界易危鸟类之一,被我国列为濒危物种。为了解太原动物园圈养褐马鸡寄生虫感染情况,采用饱和盐水漂浮法和自然沉淀法,对太原动物园内24只成年褐马鸡新鲜粪样进行检测。结果显示:寄生虫总感染率为100%;共检获4种寄生虫,其中蛔虫、线虫、绦虫、球虫的感染率分别为20.8%、20.8%、4.2%、100%。圈养褐马鸡寄生虫感染较为普遍,应加强褐马鸡寄生虫相关疾病的防治工作。     

Heartworm in dogs in Canada in 1983

In late December 1983, 2 800 veterinarians across Canada were sent a questionnaire in order to assess the status of heartworm disease in Canada in 1983 and 26% of them responded. Veterinarians reported that 59 504 dogs were blood-tested to check for microfilariae and 771 dogs (1.30% of those tested) were found with Dirofilaria immitis. Heartworm disease was diagnosed in all provinces except New Brunswick and Newfoundland but most (733) of the cases were in Ontario.

Heartworm disease was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 31% of the cases were observed with clinical signs of heartworm disease and 64% had a history of not having left Canada. Southwestern Ontario continues to be the focus of the infection and most of the dogs there had not left the province previously.

     

Heartworm in dogs in Canada in 1985

In late December 1985, 1485 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1985 and 44% of them responded. Veterinarians reported that 137,300 dogs were blood-tested to check for microfilariae and 1210 dogs were found with heartworm. Another 36 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number diagnosed in 1985 as 1247 (0.91%).

Heartworm was reported from all provinces except Prince Edward Island, Newfoundland and Saskatchewan but most (1126) of the cases were in Ontario. Southwestern Ontario continued to be the primary focus of the infection in Canada. From Quebec, 91 cases were reported mostly from and around Montreal. From Manitoba, 19 cases were reported from Winnipeg and surrounding areas. Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 28% of the cases were observed with clinical signs of heartworm disease and 78% had a history of not having left Canada.

     

Heartworm in dogs in Canada in 1988

In late November 1988, 1581 small and mixed animal clinics and institutional veterinarians across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1988, and 46% of them responded. Veterinarians reported that 181,577 dogs were blood-tested for heartworm disease and 367 dogs were found with D. immitis microfilariae. Another 60 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number of cases diagnosed in 1988 as 441 (0.24%).     

Heartworm in dogs in Canada in 1984

In late December 1984, 1853 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1984 and 35% of them responded. Veterinarians reported that 97,794 dogs were blood-tested to check for microfilariae and 1417 dogs (1.45% of those tested) were found with heartworm. Another 34 dogs were amicrofilaremic, but were diagnosed as having heartworm disease, to give the total number diagnosed in 1984 as 1451 (1.48%). Heartworm was reported from all provinces except Prince Edward Island and Newfoundland but most (1310) of the cases were in Ontario. In Quebec, 126 cases were reported mostly from west of Montreal.

Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 27% of the cases were observed with clinical signs of heartworm disease and 72% had a history of not having left Canada. Southwestern Ontario continued to be the primary focus of the infection.

     

Heartworm in dogs in Canada in 1989

In late November 1989, 1732 clinics and institutional veterinarians were sent a questionnaire to assess the status of Dirofilaria immitis, and 51.7% responded. Of 247,716 dogs tested, 394 had D. immitis microfilariae and 51 were amicrofilaremic for a total of 445 cases and heartworm prevalence of 0.17%. Most (408) of these dogs had no preventive medication and the prevalence among dogs tested and unprotected was 1.01%. That prevalence was considerably higher in endemic areas. Thirty-seven dogs with heartworm had preventive medication. Heartworm was most frequent in companion dogs over three years of age maintained outdoors in rural areas. About 75% of the cases had never left Canada, 26% had clinical signs and 125 were not treated.

Heartworm was reported from British Columbia, Manitoba, Ontario, Quebec, Nova Scotia and Newfoundland, but 383 cases were in Ontario. South-western Ontario was the primary focus of infection. There were 33 cases in Quebec and 24 in Manitoba, mainly found in and around Metropolitan Montreal and Winnipeg respectively.

     

Heartworm in dogs in Canada in 1987

In late November 1987, 1246 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1987, and 50% of them responded. Veterinarians reported that 165,428 dogs were blood tested for heartworm disease and 511 dogs were found with D. immitis microfilariae. Another 78 dogs were amicrofilaremic but diagnosed with heartworm disease to give the total number of cases diagnosed in 1987 as 589 (0.35%).     

Heartworm in dogs in Canada in 1986

In late December 1986, 1224 institutional veterinarians and small and mixed animal clinics across Canada were sent a questionnaire in order to assess the status of Dirofilaria immitis in Canada in 1986; 46% of them responded. Veterinarians reported that 150,989 dogs were blood-tested for microfilariae and 869 dogs were found with heartworm. Another 65 dogs were amicrofilaremic but diagnosed with heartworm disease and one was found with heartworm at necropsy to give the total number diagnosed in 1986 as 935 (0.62%).

Heartworm was reported from Manitoba, New Brunswick, Ontario and Quebec, but most (810) of the cases were from Ontario. South-western Ontario continued to be the primary focus of the infection in Canada. There were 103 cases reported from Quebec, mostly from and around Montreal, and 21 cases from Manitoba, from Winnipeg and surrounding areas. Heartworm was found most frequently in companion dogs over three years of age maintained mainly outdoors in rural areas. About 33% of the cases were observed with clinical signs of heartworm disease and 81% had a history of not having left Canada.