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。
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。
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