stock breeding

例句：

1. 1. The company's stock breeding program has been highly praised by the industry.
   该公司的牲畜育种项目受到了行业的高度评价。
2. 2.The research on stock breeding is crucial for improving the efficiency of livestock farming.
   牲畜育种研究对于提高畜牧业效率至关重要。
3. 3.The breeder is dedicated to developing new strains of cattle that can withstand harsh winter conditions.
   育种者致力于培育能够抵御严寒条件的牛新品种。