| 释义 |
经济杂交jīngjì zájiāo两个或两个以上不同品种的家畜(或家禽)进行杂交,所得的第一代杂种生长快,容易饲养和育肥。这种杂交只进行一代,不继续繁殖。{commercial cross-breeding; cross-breeding of two or more first breeds of livestock or poultry, produces a generation of hybrids that grow quickly, are easy to feed and fatten. This kind of cross-breeding is done for one generation only.} |