stall propagation

例句：

1. 1.The stall propagation technique is crucial for the success of a breeding program.
   棚内繁殖技术对于育种项目的成功至关重要。
2. 2.In this study, we focused on the application of stall propagation in livestock production.
   在本研究中，我们专注于在畜牧业生产中应用棚内繁殖。
3. 3. Stall propagation has been shown to improve the genetic diversity of livestock populations.
   研究表明，棚内繁殖可以提高家畜种群的遗传多样性。