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首页> 美国卫生研究院文献>Canadian Journal of Comparative Medicine >The relationships of salmonellae from infected broiler flocks transport crates or processing plants to contamination of eviscerated carcases.
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The relationships of salmonellae from infected broiler flocks transport crates or processing plants to contamination of eviscerated carcases.

机译：感染的肉鸡群运输包装箱或加工厂中的沙门氏菌与去内脏car体的污染有关。

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摘要

Three flocks raised for broiler or roaster performance tests were studied to determine the incidence and sources of salmonellae during the growing period, transport and processing and to relate these to contamination of processed carcasses. Day old chicks in two of the tests, (tests IV and V), were treated with a culture of intestinal anaerobes derived from mature chickens. The incidence of salmonellae during the growing period was too low to permit any conclusions about the efficacy of this culture in preventing Salmonella infection, but it had no adverse effect on flock performance. Carcasses from all three flocks were contaminated with salmonellae. Although the test IV flock was raised free of salmonellae, 46% of the carcasses tested from this flock were contaminated. The apparent source was the transport crates, 99% of which yielded salmonellae before the flock was loaded. In test V, 92% of the carcasses tested yielded salmonellae. The apparent sources were: flock infection (apparently originating from the parent flock), contaminated crates, spread during transport, and plant contamination. The flock of test VI was infected with Salmonella albany, and 54% of the carcasses tested were contaminated with this serovar. Carcasses of chicks infected early in life were more likely to be contaminated than those of chickens which contacted salmonellae later in the growing period.
机译：研究了三只用于肉鸡或烘烤性能测试的鸡群，以确定沙门氏菌在生长期，运输和加工过程中的发生率和来源，并将其与加工后的cas体污染相关联。在两个测试（测试IV和V）中的日龄雏鸡用源自成熟鸡的肠厌氧菌培养物进行处理。沙门氏菌在生长期的发生率太低，无法得出关于这种培养物预防沙门氏菌感染的功效的任何结论，但对鸡群性能没有不利影响。来自所有三个羊群的屠体均被沙门氏菌污染。尽管试验IV羊群中不含沙门氏菌，但从该羊群中测试的46体中有46％被污染。明显的来源是运输板条箱，在装载鸡群之前，其中99％产生了沙门氏菌。在测试五中，测试的92体中有92％产生了沙门氏菌。明显的来源是：鸡群感染（显然是来自母鸡群），受污染的板条箱，运输过程中的传播以及植物污染。测试VI的羊群感染了沙门氏菌，并且测试的tested体中有54％被该血清型污染。与在生长期后期接触沙门氏菌的鸡相比，生命早期感染的鸡的尸体更容易受到污染。

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