The results showed that: upgrading with Angora goat as sire and Shaanbei local goat as dam, the fleece characters and yield of F 3 were similar to Angora goat. When upgrading F 4, the number content of med.

 
  • 结果表明 :安哥拉山羊与陕北本地山羊级进杂交 ,级进后代被毛特性及产量到 F3与安哥拉山羊已基本相似。
今日热词
目录 附录 查词历史