peck tests 中文意思是什麼
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For the purpose of solving this cacoethes among livestock and poultry, our research and development team makes their commitment to using natural herbs to manufacture peck - free feed additives and this feed additive has posed a potent effectiveness to the peck problems after a series of repeated scientific tests
為解決這一惡癖，深圳中寶天然生物科技發展有限公司的科技人員經過反復試驗，用多種維生素和微量元素及天然植物製成
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