种质资源是杂优猪选育的基础，育种部分是杂优猪选育的核心，完成专门化品系的选育、配合力测定和最优杂交模式的筛选以及专门化品系的纯繁扩群；
The genetic resource is the base of the breeding of hybrid swine, breeding section is the core, in which completes the breeding of special strains, combining ability testing .
华茂昌公司的纯铁规格多、品种全、质量优。
Huamao Changs pure iron specifications, the whole variety, quality distinctions.
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