结论：高免疫原性的抑制素表达质粒的构建为利用抑制素基因免疫技术诱导单胎动物生多胎奠定了基础。

Conclusion: the fusion gene expression vector was successfully constructed, and it set up the basis of inhibin gene immunization to induce multiple bear for single birth animals.

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研究结果初步表明：PRLR基因可能是控制济宁青山羊多胎性能的一个主效基因或是与之存在紧密遗传连锁的一个标记。

These results preliminarily showed that the PRLR gene is either a major gene that influences the prolificacy of Jining Grey goats or a molecular marker in close linkage with such a gene.

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