Dr. Russel is creating an elite herd by cross-breeding goats from around the globe.
罗素博士正在通过使来自世界各地的山羊杂交而创造一种精品羊群。
Tissue culture and transgenic research shortened the breeding program cycle, thus provided a promising way to obtain elite citrus germplasm that are cold tolerant.
柑橘组织培养以及建立在此基础上的遗传转化为缩短育种周期、获得抗寒、优质柑橘种质资源提供了新的途径。
Ultimate measure of dairy herd improve and establish elite cow herd is dairy breeding work.
奶牛育种工作,是改善牛群质量、建立良种奶牛群根本措施。
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