犬绦虫病有何特征?怎样防治?

2025-03-16 04:48:44
推荐回答(1个)
回答1:

犬绦虫病常由下列7种绦虫引起。

(1)犬绦虫。虫体呈淡红色,长10~50厘米,蚤及虱为其中间宿主。

(2)中线绦虫。虫体长30~250厘米,有地螨和蛇、蛙二个中间宿主。

(3)边缘绦虫。虫体长75~500厘米,中间宿主为牛羊。

(4)豆状带绦虫。虫体长60~200厘米,以兔为中间宿主。

(5)多头绦虫。虫体长40~100厘米,牛羊为中间宿主。

(6)细粒棘球绦虫。虫体由3~4节片组成,幼虫寄生于动物的肝肺器官中。

(7)孟氏裂头绦虫。虫体长100厘米,剑水蚤和蛙类、蛇类分别为第一和转运中间属主。

上述绦虫都能使犬致病。病犬偶然排出成熟节片,轻度感染不引人注意,一旦严重感染时病犬呈现异嗜、呕吐、慢性肠炎、腹泻、贫血消瘦,甚至虫体成团,导致肠梗阻,肠扭转和肠破裂等急腹症。临床以病犬肛门夹着尚未落地的绦虫孕节来确诊。

该病防治主要是注意清洁卫生,消灭各类绦虫的中间宿主,防止犬采食有绦虫蚴的中间宿主。每年进行4次预防性驱虫(每季1次)。繁殖犬应在配种前3~4周内进行。驱虫后的粪便应集中销毁,防止散布病原。发现病犬,可按每千克体重1.5~2毫克氢溴酸槟榔素口服,在病犬绝食12~20小时后给药。或用吡喹酮按每次千克体重5~10毫克量口服。也可用盐酸丁萘脒,按每次千克体重25~50毫克量口服。一般驱除细粒棘球绦虫用50毫克,间隔48小时再用一次。

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