It's denseness prolificacy fertility make a sharp contrast with the sparse and poor native soil.

它稠密、多产、肥沃，与当地稀疏、贫瘠的土壤形成鲜明的对比。

For other sheep breeds or strains, the major genes controlling prolificacy require further study.

控制其它绵羊品种多羔性的主基因还需要进一步研究。

Improving the prolificacy of goat is one of way to increase the efficiency of the meat-goat industry.

提高山羊的繁殖力是提高肉羊生产效率的途径之一。

The major gene index analysis indicated that the prolificacy of Erhualian pig was influenced by major genes.

主效基因指数分析表明二花脸猪这4个性状均存在主效基因遗传。

Researches on the mechanism and factors of sheep prolificacy are helpful to improve sheep reproduction and increase economic efficiency.

掌握绵羊多胎性机理和影响多胎性的因素对于提高绵羊繁殖率和经济效益具有重要意义。