研究了日粮中添加抗生素或不同剂量三颗针提取物对肉仔鸡生长、养分表观代谢率和部分消化酶活性的影响。
Effects on growth, nutrient apparent metabolic rate and digestive enzyme activity of broilers by adding antibiotic and Berberis extract were studied.
研究了日粮中添加抗生素或不同剂量三颗针提取物对肉仔鸡生长、养分表观代谢率和部分消化酶活性的影响。
Effects on growth, nutrient apparent metabolic rate and digestive enzyme activity of broilers by adding antibiotic and Berberis extract were studied.
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