【摘要】 为了充分发挥麦洼牦牛泌乳优势,通过选择高产奶牛组建核心选育群,以产奶量作为主要选育量化指标为依据,采用以奶定母,以母定仔的母系选育措施后,选育牛群的产奶量大大提高,为非产奶期选择高产奶牛找到了一条简捷途径。更多还原

【Abstract】 In order to make full use of the milkability supremacy of Maiwa yak,a breeding selection based on the output of milk was conducted.An easy way to select high milkability cow in non-lactation period was introduced.更多还原