Sheep-raising相关论文
1988~1991年,通过在西吉县绵羊改良区选择具有代表性的56个绵羊饲养户,采取扩大畜群规模、调控畜群结构、确定适宜出栏期、加快畜群周转等系列组......
Analysis of the Factors Influencing Breeding Record Establishment of Sheep-raising Households or Far
Breeding record is an important way to implement standardized sheep raising,trace major sheep raising epidemic informati......