应用间接酶联免疫吸附试验检测鸡抗球虫早熟株三价苗抗体

CHINESE JOURNAL OF VETERINARY SCIENCE AND TECHNOLOGY(2000)

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Abstract
将无球虫雏鸡随机分为2组,在7日龄和14日龄分别经口接种鸡球虫早熟株三价苗3000个/只卵囊和5000个/只卵囊,用间接酶联免疫吸附试验(ELISA)检测血清抗球虫抗体的变化情况.结果,在首免后的第3、5和7 d用间接ELISA检测OD值为0.331、0.342和0.418,上升缓慢;二免后抗体水平稍有下降(OD值0.383),随后迅速上升(OD值0.472),于二免后第12 d达最高峰(OD值0.855).对照组抗体水平稳中有降,OD值从免疫前0.290下降至0.224.免疫组和对照组比较,首免后第7 d两组的OD值差异显著(P<0.05),二免后两组的OD值差异极显著(P<0.01).
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