اثر کاهش پروتئین غیرقابل تجزیه در شکمبه و مکمل لیزین و متیونین محافظت شده در شکمبه بر مصرف ماده خشک، تولید و ترکیب شیر و قابلیت هضم مواد مغذی در گاوهای شیرده در اوایل دوره شیردهی

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