As a result, the world's food supply has become largely dependent on a shrinking list of breeds designed for maximum yield: the Rhode Island Red chicken, the large White pig, the Holstein cow.
结果，全球的食物供应变成主要依赖于少数一些为产量最大化而设计的品种：罗得岛红鸡、大白猪、荷斯坦奶牛。
This experiment studied Gannong Strain (developed from black pig of Gansu) and the Large White of USSR, and their fattening properties after their positive and negative cross - breeding.
本试验较详细地研究了正在培育的甘肃黑猪甘农系群与苏联大白猪及其正反杂交猪的肥育性能。
Genetic analysis was conducted on the data of 3 populations with 1 686 litters including Erhualian pig, Large White and first cross.
对二花脸猪、大白猪及其杂交一代3个群体共计1 686窝仔猪数的资料进行了遗传分析。
Here we report the performance of British Large White on Rizhao Pig Breeding Farm in Shandong Province, which improved the British Large White in Sep. 1999.
本研究对引进的英系大白猪在山东省日照市原种猪场的性能表现进行了观察与测定，并对该场母猪配种体况对繁殖性能的影响进行了研究。
Here we report the performance of British Large White on Rizhao Pig Breeding Farm in Shandong Province, which improved the British Large White in Sep. 1999.
本研究对引进的英系大白猪在山东省日照市原种猪场的性能表现进行了观察与测定，并对该场母猪配种体况对繁殖性能的影响进行了研究。
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