The move to earlier weaning also has implications for how sows are fed and managed, as does the fact that many producers have moved to multi-site production and swine units are getting bigger.

• 尽量早期断奶对怎样饲喂和管理母猪也有影响，许多养殖者已经开始了多点繁殖，母猪单元也正在扩大。