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ji bai guan bing de zhen zhi
Author(s): 
Pages: 51
Year: Issue:  4
Journal: Poultry Science

Keyword:  GetLinkList(KeywordFilter('白冠病:5902产蛋率:5380发病情况:2791蛋鸡:2470海兰褐:2292临床症状:1891死亡:1876养殖户:1867发病趋势:1813饮水量:1782')'kw''CJFQ');
Abstract: <正>发病情况2008年8月,我镇一养殖户养殖海兰褐蛋鸡3000只,发病时为230日龄,体重2.0kg,每日产蛋148kg左右,产蛋率达96%,8月20日有个别鸡产白壳蛋,在22日用速补饮水,25日产蛋仍然下降,每日下降的幅度达7%,到月底产蛋率下降到73%,并有死亡。
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