猪“高热病”的发生情况及防治体会

2005年7月初,在我市发生了以高热红皮为主的猪病。疫情发生后,本站除全面统计发病情况外,重点开展了流行病学的调查,对临床治疗与不治疗病例进行观察,对部分病死猪进行解剖。现将有关这次疫病发生的具体情况报告如下:1发病情况2005年7月初,首先在我市东陈镇的南庄、北庄两个村发生猪高热病,不到1个月时间,全市20个镇都有程度不等的发病,至9月6日全市发病猪占生猪栏存的20%,死亡生猪占发病猪的22.8%。发生疫情后,我们对5个镇8个组的生猪发病情况进行了全面调查,共查养猪户177户,生猪1776头,其中母猪119头,肥猪867头,苗猪790头。总发病户为113…     

猪、牛寄生蠕虫的调查报告

为了搞清我县猪、牛寄生虫的种类和危害程度，以便采取有效措施，有计划开展防治工作，1999年我们进行了猪、牛寄生虫的调查。1 调查方法 在全县16个乡（镇）中随机抽出1／3的乡（镇）列为调查范围，然后调查1／3的村，在其中调查1／3的村小组，采用饱和盐水漂浮法和水洗自然沉淀法处理粪便进行镜检。2 调查结果 生猪共调查了15个村，92个村小组，1 503头猪，检出阳性猪（感染寄生虫病）295头，感染率为19．62％；耕牛共调查了18个村，97个村小组，362头牛，检出阳性牛82头，感染率为22．65％。生猪感染的体内寄生虫共7种，即：蛔虫、胃虫、…     

厦门市同安区生猪腹泻流行病学调查

为掌握厦门市同安区生猪腹泻情况,于2013年1月7日至18日,对11个镇、街道、农场的不同养殖规模猪场猪群进行了2012年12月生猪腹泻流行病学调查,通过实地走访,共填写合格问卷100份.调查分析显示,全区2012年12月生猪腹泻的发病率为0.0417头/猪-月.根据不同养殖规模的猪场猪群进行统计,以年出栏量100~499头的规模猪场猪群发病率最高,为0.1450头/猪-月;对不同猪群进行统计,以仔猪的发病率和病死率最高,分别为0.0876头/猪-月和32.9%;对11个镇、街道、农场的猪群进行统计,以大同街道猪群的发病率最高,为0.1550头/猪-月.厦门市同安区2012年12月生猪腹泻主要是病毒性和细菌性腹泻.     

水牛伊氏锥虫病调查与治疗

横县百合镇27个自然村中的水牛流行着一种使牛体迅速消瘦、衰弱死亡的慢性病,为尽快找出病因,采取措施,遏制死亡以便减少损失,笔者进行了此次调查,现报告如下。1　流行情况从区域上看主要流行于百合镇的龙塘、六沟、新福等19个行政村27个自然村。共调查了水牛213头,发现病牛67头,发病率3145%,死亡13头,死亡率610%。发病不分年龄、性别,从症状上表现母牛和仔牛显得更严重些。表1　水牛发病死亡情况调查村数共有牛数(头)成年牛仔牛小计发病牛数(头)成年牛仔牛小计发病率死亡情况死亡头数死亡率27个自然村17528213625673145610%2　临床症状…     

贵州猪腹泻的流行病学调查

为掌握贵州猪腹泻情况,2012~2014年笔者对5个养殖户、4个养殖场进行了生猪腹泻流行病学调查。调查分析显示,生猪11 021头,其中发病数1 323头,平均发病率12%,死亡数625头,平均死亡率5.7%,平均致死率47.2%;贵州生猪腹泻主要是病毒性和细菌性腹泻。     

猪肺疫的诊断及防治

猪肺疫的诊断及防治我县每年饲养商品生猪５０多方头，多年来实行生猪常年防疫，月月补防的防疫制度，有效地控制猪瘟等烈性传染病的发生和流行。但于１９９５年７月份，在我县的东阳、马坝、高桥三个乡镇６个自然村有１４６头猪发病，死亡７６头，给养猪生产造成较大的经...     

宁夏中卫县猪生殖和呼吸系统综合征流行情况调查与防制

2001年9月，宁夏中卫县的一些猪群发生猪生殖和呼吸系统综合征，很快蔓延至全县灌区各乡（镇）。经过灌区10个乡（镇）108个村调查，母猪发病3617头，发病率30.12%,淘汰母猪1721头，淘汰率14.33％；仔猪发病5085头，发病率20.71%，死亡1105头，死亡率4．30％；生长肥育猪发病5888头，发病率9．75％，死亡1013头，死亡率1．68％；公猪发病31头，发病率20．81％，死亡5头，死亡率3．36％。确诊后采取综合防制措施，至11月下旬基本控制了疫情。     

黄牛气肿疽的诊断与防制

<正>1发病情况2009年4月27日~5月17日,麻栗坡县下金厂乡中寨村的上川洞、香菌坝两个自然村耕牛发生疫情,两个自然村耕牛存栏80头,发病12头,治愈7头,死亡5头。发病率为15%,发病治愈率为58.3%,发病死亡率为41.6%,发病后,4月17日~5月3日对发病的5头牛曾选用青霉素钾、硫酸庆大霉素、硫酸卡那霉素治疗,结果无效死亡。2流行病学调查(1)环境条件:中寨村的上川洞、香菌坝两个自然村,海     

城郊散养猪疫病发生的原因及预防

据1993年和1996年调查,东营市部分城区、近郊区居民散养生猪,造成了传染病的流行,疫情蔓延到11个自然村、6个猪场,发病猪300余头,造成损失的主要原因,是因为饲喂垃圾或猪群在垃圾场放牧,使城区垃圾场成了动物疫病发生和传播的疫源地.     

一例猪附红细胞体病的诊断和防治

2005年8-9月我县某村3组饲养的生猪发生以发热、厌食、皮肤发红及耳部皮肤坏死和慢性死亡为主要症状的疫病。通过实验室检验,结合流行病学调查、临床症状、病理剖检及治疗试验确诊为猪附红细胞体病。该病在我县属首次发现,经采取综合防治措施,疫情得到有效控制。1发病情况该组集居于两个寨子,共37户,饲养生猪278头。7月中下旬曾有农户从邻县市场购仔猪补栏,8月5日以来,生猪相继发病,以体重30kg左右小猪病状较重,畜主曾用磺胺嘧啶钠、青霉素、头孢拉啶、链霉素、卡那霉素等药物治疗无明显效果。截止9月5日调查,共发病120头,死亡生猪27头,发病…     

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.

     

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.