breed out meaning in English

在人工繁殖过程中消除
在人工繁殖中消除

Cruelty and the fighting instinct have not yet been bred out of the human species
残忍和好斗的本能还没在人种的人工繁殖过程中消除。
Breed out and out
异种繁殖
The loudest advocates for selling the breed out seem to have the least understanding of what they are proposing to give up
即使用最大的声音来宣传提倡并卖掉它们，但是结果却适得其反，人们对它们的了解和理解却是最少的。
The disease , low quality of embryo , semen contamination , breeding out of time , low quality of recipient , not synchronous estrus between donor and recipient , antiquated preserve to embryo , hereditary unsoundness , accidental injury by medicament , vaccination , feeding and management to depart from science , immunological reaction and multiple embryo in uterus are the more important factors
这些因子主要包括疾病、胚胎质量差、精液污染、不适时配种、受体羊质量差、供受体羊发情不同步、胚胎保存时间长、遗传缺陷、误用药物、接种疫苗、饲管不科学、免疫反应、子宫内多胚等。