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首页> 外文期刊>Irish Veterinary Journal >Tuberculosis in alpaca (Lama pacos) on a farm in Ireland. 2. Results of an epidemiological investigation.
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Tuberculosis in alpaca (Lama pacos) on a farm in Ireland. 2. Results of an epidemiological investigation.

机译：结核在羊魄（喇嘛pacos）在一个农场在爱尔兰。 2.流行病学调查的结果。

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Tuberculosis (TB), due to infection with Mycobacterium bovis was diagnosed in a flock of alpaca in Ireland in 2004. An epidemiological investigation was conducted to identify the risk of TB for farmed alpaca where TB is endemic, the origin of the infection, the potential for alpaca-to-alpaca transmission and appropriate control measures. The investigation focused on the alpaca flock (including the farm, animal movements and breeding, feeding and flock health practice), the disease episode (including animal disease events and subsequent control measures) and TB infection risk in the locality. The TB risk to alpaca is high in areas where infection is endemic in cattle and badgers and where biosecurity is inadequate. It is most likely that the source of infection for the alpaca was a local strain of M. bovis, present in cattle in this area since at least 2001. Genotyping of isolates identified a single variable number tandem repeat (VNTR) profile in both cattle and alpaca in this region. Although a tuberculous badger was also removed from the vicinity, bacterial isolation was not attempted. On this farm, infection in alpaca was probably derived from a common source. Alpaca-to-alpaca transmission seems unlikely. Two broad control strategies were implemented, aimed at the rapid removal of infected (and potentially infectious) animals and the implementation of measures to limit transmission. Tests that proved useful in detecting potentially-infected animals included measurement of the albumin-to-globulin ratio and regular body condition scoring. Skin testing was time consuming and unproductive, and early detection of infected animals remains a challenge. The flock was managed as a series of separate groupings, based on perceived infection risk. No further TB cases have been detected.
机译：2004年在爱尔兰的羊驼羊群中诊断出由于牛分枝杆菌感染而导致的结核病（TB）。进行了流行病学调查，以查明养殖的羊驼草的结核病风险，其中结核病是地方病，感染的起源，潜在的羊驼到羊驼的传播以及适当的控制措施。调查的重点是羊驼羊群（包括农场，动物的运动和繁殖，喂养和羊群的健康习惯），疾病发作（包括动物疾病事件和随后的控制措施）以及当地的结核病感染风险。在牛和rs流行病且生物安全性不足的地区，羊驼的结核病风险很高。羊驼的感染源极有可能是至少在2001年以来就存在于该地区牛群中的牛分枝杆菌的局部株。分离株的基因分型鉴定出牛和牛的单变量串联重复序列（VNTR）图谱。该地区的羊驼。尽管也从附近去除了结核badge，但未尝试分离细菌。在这个农场上，羊驼的感染可能是由共同的来源引起的。羊驼到羊驼的传播似乎不太可能。实施了两种广泛的控制策略，旨在迅速清除受感染（和可能具有传染性）的动物并实施限制传播的措施。被证明对检测潜在感染动物有用的测试包括白蛋白与球蛋白之比的测量以及定期的身体状况评分。皮肤测试既费时又无济于事，早期发现受感染的动物仍然是一个挑战。根据感知的感染风险，将鸡群分为一系列单独的分组进行管理。没有发现更多的结核病病例。

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