Leman A D, Rodeffer H E
Vet Rec. 1976 Jun 5;98(23):457-9. doi: 10.1136/vr.98.23.457.
Many boar problems result from an insufficient number of boars in relation to the number of sows in the herd, sexually immature boars, inadequately preconditioned or improperly managed boars. The following factors which determine optimum boar efficiency are discussed: (a) sexual development and mating behaviour, (b) selection, (c) preconditioning, (d) mating systems, (e) examination and culling.
许多公猪问题是由于猪群中公猪数量与母猪数量相比不足、公猪性未成熟、预处理不足或管理不当造成的。本文讨论了决定公猪最佳效率的以下因素：(a)性发育和交配行为，(b)选择，(c)预处理，(d)交配系统，(e)检查和淘汰。
