Why is it difficult to prevent and control poultry respiratory diseases? Because of the variety of predisposing factors, the single and long route of administration, and the continued existence of the breeding concept that emphasizes treatment and despise disease prevention, it is difficult to preve......
Read MoreProbiotics are bacteria that are beneficial to organisms and animals. After being put into the body, they play a beneficial role by improving the ecological balance of the host's (organic and animal) intestinal flora to achieve the improvement of the host's health and good health. Live bacteria prep......
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