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1.Milk yield from Brangus cows sired by 6 breeds (Bonsmara, Brangus, Charolais, Gelbvieh, Romosinuano) was measured over a 3-yr period with a single-cow milking machine to estimate the relationship of actual milk yield of cows and their calves’postweaning average daily gain on two postweaning management systems (drylot or wheat pasture).
以外引的邦斯玛拉(Bonsmara)、夏洛来(Charolais)、盖普威(Gelbvieh)、海福特(Hereford)和罗曼西牛(Romosinuano)为父本与布兰格斯(Brangus)杂交,研究母牛产奶量与杂交一代犊牛以及纯繁的布兰格斯犊牛断奶后日增重的关系。收藏指正
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