南海市沙皮犬肠道寄生虫的调查

对广东省南海市的69只沙皮犬进行了肠道寄生虫调查。采用粪便检查法，检出虫卵9种，其中绦虫2种（细粒棘球绦虫和复孔绦虫）；线虫6种（犬弓首蛔虫、犬钩虫、狮蛔虫、巴西钩口线虫、犬鞭虫和犬胃线虫）；吸虫1种（抱茎隙吸虫）。检出优势种为犬复孔绦虫，犬钩虫，犬弓首蛔虫，是驱虫的主要对象。     

沈阳某警犬基地犬肠道寄生虫感染调查

为了解沈阳某警犬基地犬肠道寄生虫感染情况,以及不同品种警犬、不同年龄段警犬间寄生虫感染存在的差异,采用直接涂片法和饱和盐水漂浮法对沈阳某警犬基地180只犬进行肠道寄生虫调查。结果表明:144只犬感染虫卵,感染率达到80%;检出虫卵种类有犬弓首蛔虫、狮弓蛔虫、犬复孔绦虫、细粒棘球绦虫等4种,感染率分别为36.67%,15.56%,18.89%和8.89%,其中犬弓首蛔虫和犬复孔绦虫为感染率较高的两种寄生虫;1～3月龄的幼犬与其他年龄犬相比,犬弓蛔虫感染率高达76.67%;只有德牧和德荷杂犬感染细粒棘球绦虫。     

南京地区犬消化道寄生虫感染情况调查

用粪便学检查方法对南京地区289份犬粪便中寄生虫感染情况进行了调查。结果表明,该地区犬寄生虫感染率为33.91%,其中蠕虫感染率为19.03%,原虫感染率为14.88%。病原分别为犬弓首蛔虫、狮弓蛔虫、犬钩口线虫、粪类圆线虫、阔节裂头绦虫、犬复孔绦虫、犬等孢球虫和俄亥俄等孢球虫,其中优势寄生虫为犬弓首蛔虫、犬等孢球虫和犬复孔绦虫。     

牡丹江市家犬寄生虫流行区系调查

通过家犬屠宰场采集202只犬的内脏器官,采用虫体检查和虫卵检查相结合的方法进行系统检查.结果表明,共检获虫体9种,其中吸虫1种,绦虫3种,线虫3种,棘头虫1种,螨虫1种.通过虫卵感染率和虫体感染强度统计数字分析,可将华枝睾吸虫、泡状带绦虫、线中殖孔绦虫、犬复孔绦虫、犬弓首蛔虫、犬钩虫等六种寄生虫视为优势虫种.     

昆明市流浪犬寄生虫感染情况的调查

为了解昆明市流浪犬寄生虫感染情况,随机采集25份新鲜粪样进行饱和盐水漂浮法检查;对18只死亡流浪犬进行寄生虫解剖法检查,收集虫体,进行计数和鉴定.结果显示,14份粪样中检出虫卵或卵囊,检出率为56.0％.其中8份检测出球虫卵囊,检出率32.0％;6份检测出犬弓首蛔虫卵,检出率24.0％,2份检测出绦虫卵,检出率8.0％...     

梁平县犬肠道寄生虫的调查

2000年2月至10月对重庆市梁平县犬只进行了肠道寄生虫调查。共采集100只犬粪样，检出虫卵8种，其中线虫4种（犬弓首蛔虫、狮蛔虫、犬钩虫、犬鞭虫）；绦虫3种（犬复孔绦虫、泡状带绦虫、细粒棘球绦虫）；吸虫1种（抱茎棘隙吸虫）。检出优势种为犬弓首蛔虫、犬复孔绦虫、大钩虫，是驱虫的主要对象。     

舞钢市鸡肠道寄生虫感染情况调查

为了解舞钢市鸡肠道寄生虫流行情况,应用饱和盐水漂浮法和沉淀法对舞钢市5个集约化鸡场和6个散养鸡场采集的319份粪便样品进行检测。结果:阳性样品有145份,阳性率为45.45%,其中存在球虫卵囊、异刺线虫卵、蛔虫卵、赖利绦虫卵,感染率分别为31.66%、19.43%、8.15%、2.19%,部分样品存在混合感染。表明舞钢市鸡肠道寄生虫感染较为严重,其中以球虫、线虫较为普遍。     

户县某镇散养犬肠道寄生虫种类及感染情况的调查

为了解户县某镇散养犬肠道寄生虫感染情况,采用饱和食盐水漂浮法等对该地区散养犬120份粪便样品进行了检测。结果发现8种犬肠道寄生虫,分别是犬弓首蛔虫、等孢球虫、犬钩口线虫、粪类圆线虫、犬贾第虫、毛尾线虫、犬复孔绦虫、细粒棘球绦虫,其感染率分别为65.83%、40.83%、35.00%、26.67%、9.17%、6.67%、2.50%和1.67%。寄生虫总感染率为100%。在这些感染犬中,混合感染2种肠道寄生虫的为44例,混合感染3种以上肠道寄生虫的为31例,其混合感染率为62.5%;犬弓首蛔虫、等孢球虫和犬钩口线虫为优势种。     

新疆部分城市宠物犬肠道寄生虫感染情况调查

为了解新疆城市宠物犬肠道寄生虫感染情况,笔者采用饱和蔗糖溶液漂浮法对新疆5个城市的477份宠物犬粪便样本进行了检查。结果显示,113份样品呈肠道寄生虫虫卵/卵囊阳性,总感染率为23.7%。共检出7种(类)寄生虫虫卵或卵囊,以球虫为优势感染虫种,感染率为13.8%;蛔虫感染率次之,为9.2%;隐孢子虫,圆线虫,钩虫,鞭虫及带科绦虫感染率分别为0.6%、2.7%、0.4%、0.2%和0.2%。在宠物店内饲养犬的肠道寄生虫感染率较高,为33.2%;宠物医院及犬舍内宠物犬的肠道寄生虫感染率分别为14.7%和8.5%。雄犬感染率(26.0%)高于雌犬感染率(21.7%);6月龄以下,7～12月龄,1岁以上宠物犬的感染率分别为30.9%、20.5%和3.8%,随年龄增长呈递减趋势。调查结果表明,应进一步加强宠物犬肠道寄生虫的驱除工作和公共卫生知识宣传。     

农村散养犬肠道寄生虫种类及感染情况的调查

为了解兰考县某镇散养犬肠道寄生虫感染情况,采用饱和食盐水漂浮法等对该地区散养犬120份粪便样品进行了检测.结果发现8种犬肠道寄生虫,分别是犬弓首蛔虫、等孢球虫、犬钩口线虫、粪类圆线虫、犬贾第虫、毛尾线虫、犬复孔绦虫、细粒棘球绦虫,其感染率分别为65.83％、40.83％、35.00％、26.67％、9.17％、6.67％、2.50％和1.67％.寄生虫总感染率为100％.在这些感染犬中,混合感染2种肠道寄生虫的为44例,混合感染3种以上肠道寄生虫的为31例,其混合感染率为62.5％;犬弓首蛔虫、等孢球虫和犬钩口线虫为优势种.     

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 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 1991

In late November 1991, 1883 clinics in Canada were sent a questionnaire to assess the status of Dirofilaria immitis in dogs in 1991 and there was a 60.0% response. There were 344,031 dogs tested for heart-worm (HW), 627 were found infected and the prevalence of HW infection was 0.18%. There were 417 dogs with HW in Ontario, 116 in Manitoba, 38 in Quebec, 53 in British Columbia, three in Alberta, and one in Nova Scotia. In British Columbia, all of the infected dogs but one were from the Okanagan valley which, as from 1991, is a new focus of infection in Canada. Most dogs with HW had not been on preventive medication in 1990, and the prevalence among dogs tested and unprotected was 0.59%. That prevalence was considerably higher in endemic areas. Companion dogs, over three years of age and maintained primarily outdoors in rural areas, were most frequently infected. One cat was diagnosed with D. immitis and 33 dogs had Dipetalonema reconditium.     

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 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.