Pig knowledgeable

八月 21, 1998

(Photograph) - Andrew Sheppard, an investigation officer with the University of Exeter's Agricultural Economics Unit, has just conducted a survey which found that 30 per cent of sows farrow in outdoor crates and 70 per cent still give birth indoors. Photograph: Mike Benson

Please
or
to read this article.

请先注册再进行下一步

获得一个月的无限制地在线阅读网站内容。只需注册并完成您的职业简介.

注册是免费的,而且非常简单。一旦成功注册,您可以每个月免费阅读3篇文章。:

  • 获得编辑推荐文章
  • 率先获得泰晤士高等教育世界大学排名相关的新闻
  • 获得职位推荐、筛选工作和保存工作搜索结果
  • 参与读者讨论和公布评论