1. A school of two year old Rose Gold Xbacks( crossbreed between Cross Back Golds and Reds). 一群两岁大的玫瑰金（背金与红龙的交配后代）。
2. Methods The mice were bred in different ways, including crossbreed, backcross and intercross. 方法采用杂交、回交、互交的方法进行培育；
3. Therefore, it is feasible to scheme of new breeding population of mutton sheep which crossing fixed was selected ideally the three-crossbreed or second-crossbreed. 因此，选择理想型的三代或二代杂种羊进行横交固定培育新品种的技术方案是可行的。
英英解释
n.
1. an organism that is the offspring of genetically dissimilar parents or stock; especially offspring p
2. breed animals or plants using parents of different races and varieties
网络释义
crossbreed 杂种;
杂交;
杂交种;
杂交繁育;
crossbreed performance 释义：杂交育种性能;
crossbreed cur fuck hybrid hybridism incross mongrel 杂种;
