In order to cooperate the breeding work, the chromosomes of 96 Gansu white pigs was studied by using routine method of chromosomal preparation.
为了配合育种工作，作者采用常规染色体制备方法，对96头甘肃白猪及其杂交猪的染色体作了研究。
Method: On the base of routine breeding approaches, two blood feeding methods were used.
方法：在常规人工饲养方法的基础上，两种饲血方法进行比较。
Method: On the base of routine breeding approaches, two blood feeding methods were used.
方法：在常规人工饲养方法的基础上，两种饲血方法进行比较。
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