close breeding

例句：

1. 1. Theteam's close breeding has led to a lack of diversity in their performances.
   这个团队的近亲繁殖导致了他们的表现缺乏多样性。
2. 2. Close breeding can lead to genetic disorders in offspring.
   近亲繁殖可能会导致后代出现遗传性疾病。
3. 3. The breeder is trying to improve the quality of their animals by using closed breeding methods.
   育种者正在尝试通过使用闭锁繁殖方法来提高动物的质量。