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1.
同时采用间接ELISA、虎红平板凝集试验和试管凝集试验三种血清学方法调查川西北牦牛布鲁氏菌病血清流行情况。对1070份采自川西北阿坝州8个草地县的牦牛血清样品经三种血清学方法检测,间接ELISA检测阳性率为25.4%（272/1070）,虎红平板凝集试验检测阳性率为12.7%（136/1070）,而试管凝集试验检测阳性率为9.1%（97/1070）。8个县均发现阳性布鲁氏菌病血清。与间接ELISA相比,虎红平板凝集试验的相对敏感性和特异性分别为50%和100%,而试管凝集试验的相对敏感性和特异性分别为35.7%和100%。布鲁氏菌病在川西北地区广泛存在,血清学方法是检测和监测布鲁氏菌病最常用和最简便的方法,其中间接ELISA方法最为敏感。 相似文献
2.
为了解云南省荷斯坦牛和奶水牛犬新孢子虫感染情况,本研究应用酶联免疫吸附试验(ELISA)对血清样品进行犬新孢子虫抗体检测.结果显示,68份荷斯坦牛血清样品中,抗体阳性7份,阳性率10.3％,2份可疑;106份奶水牛血清样品中,未检出抗体阳性血清,2份可疑.检测结果表明,云南省荷斯坦牛存在犬新孢子虫感染,奶水牛可能存在犬新孢子虫感染. 相似文献
3.
为了掌握上海地区奶牛新孢子虫病的流行情况，应用酶联免疫吸附试验对上海地区奶牛血清样品进行新孢子虫病抗体检测。结果表明，被检的41个奶牛场1239份奶牛血清中有63份抗体阳性，阳性率为5．08％。各场阳性率变幅较大（0-44．23％）。 相似文献
4.
为了防治牛（牦牛）细胞内寄生的原虫病——新孢子虫病，我们随机采集了流产牛和非流产牛的血样共91份。用新孢子虫rELISA试剂盒对91份被检样品进行了检测。结果显示，在91份样品中，新孢子虫感染的有13份阳性，其阳性率为14.3％，说明在被检血来源区的牛类动物均感染新孢子虫病，应该加强防范。 相似文献
5.
奶牛新孢子虫病是由犬新孢子虫（Neospora caninum）引起的多种家畜共患的一种原虫病。该病对牛的危害尤其严重,主要造成孕畜流产、死胎以及新生儿的运动神经系统疾病。本研究采集巴州部分山区牦牛的210份牦牛血清样本,用重组酶联免疫吸附试验（rELISA）检测N.caninum血清杭体。结果发现,巴州部分山区牦牛N.caninum抗体阳性率为18.2%,抗体阳性血清样本刚地弓形虫（T.gondii）抗体检测的结果为阴性。被检的样品经过商品化试剂盒（Ncaninum Antiboby Test Kit,IDEXX公司产）检测对比,其符合率为99%。说明该地方山区牦牛中存在新孢子虫感染,应用重组rELISA试剂盒对其进行检测,其检出率与商品化试剂盒相符合。 相似文献
6.
为了调查我国牛新孢子虫和弓形虫的感染情况，应用新孢子虫酶联免疫吸附试验（ELISA）和弓形虫间接血凝试验（IAT）分别检测了来自国内10个省（市、自治区）的262份乳牛、10份肉牛和40份水牛血清。结果显示，乳牛新孢子虫的抗体阳性率为17．2％，弓形虫的抗体阳性率为2．3％，没有检测到既有新抱子虫抗体又有弓形虫抗体的乳牛血清。各牛场所检乳牛血清的新孢子虫抗体阳性率在0～34．4％之间。在水牛和肉牛血清中未检测到新孢子虫抗体和弓形虫抗体。流产乳牛血清的新孢子虫抗体阳性率为20．2％，未流产乳牛为16．1％，其中血清抗体阳性乳牛主要在妊娠中晚期流产。各个年龄段乳牛血清的抗体阳性率差异不显著（P〉0．05）。不同妊娠胎次的乳牛血清抗体阳性率差异不显著（P〉0．05）。确认新孢子虫病在国内大部分牛场存在。 相似文献
7.
2010-2012年期间,应用衣原体间接血凝试验和布鲁氏菌病试管凝集试验对采自海北州所属4县的部分牦牛血清进行了衣原体和布鲁氏菌病的检测,结果在3351份牦牛血清中,检出衣原体阳性血清94份,阳性率2.8％;另从采集的6303份牦牛血清样品,检出布鲁氏菌病阳性血清388份,阳性率6.15％.表明,海北州的牦牛群中存在衣原体病和布病的感染. 相似文献
8.
为了探究温泉县奶牛流产病因,对采自温泉县4个不同地区的81份血清样品分别进行新孢子虫病和布氏杆菌病检测,其中新孢子虫病应用rELISA方法检测,布氏杆菌病的检测参照国标,被检的81份血清样品中8份血清呈新孢子虫抗体阳性,阳性率为9.88%。其中安格里格乡感染率为18.75%,哈日布呼镇感染率为7.14%,蒙进感染率为0%,塔秀乡感染率为13.04%。没有检出布氏杆菌阳性血样和新孢子虫和布氏杆菌病二者混合感染的流产奶牛血样。检测结果表明:新孢子虫是导致该地区奶牛流产的重要原因之一。 相似文献
9.
为初步了解河南省清丰县奶牛新孢子虫病流行情况,于2017年3-9月应用ELISA技术对清丰县6个奶牛养殖场按20.0%比例随机采集438份血液样品进行奶牛新孢子虫病血清抗体检测。结果显示,438份血液样品中有63份检测为新孢子虫病血清抗体阳性,平均阳性率为14.38%,6个奶牛场血清抗体阳性率为8.06%-19.05%;不同年龄阶段奶牛新孢子虫病血清抗体阳性率存在一定差异,流产奶牛较未流产奶牛阳性率高。结果表明,奶牛新孢子虫病感染在清丰县广泛存在,应引起养殖场(户)的重视。 相似文献
10.
应用酶联免疫吸附实验,对民和县引进小尾寒羊224份血清样品进行了犬新孢子虫病的检测。结果,被检的224份血清中,检出犬新孢子虫抗体阳性血清16份,阳性率分别为7.14%。表明引入青海省的小尾寒羊中存在犬新孢子虫病。 相似文献
11.
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. 相似文献
13.
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. 相似文献
14.
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%). 相似文献
15.
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. 相似文献
17.
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. 相似文献
18.
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. 相似文献
19.
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%). 相似文献
20.
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. 相似文献
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