1.But, there were extremely low efficiency of integration, unstable hereditation and expression in transgenic animals by the technique.

1.但是，这种方法存在基因整合效、源基因不能在转基因动物体内定遗及表达的问题。

2.In this paper are elaborated the methods of induced obesity by hereditation ,hypothalamic lesions and dietary in experimental animals,and the concerned physiological characteristics.

2.阐述了遗、丘脑及饮食诱导肥胖动物模型的造型方法及有关的生理代谢特点.