Cowshed facilitating sampling and injection

The utility model provides a cowshed facilitating sampling and injection. Ceiling, the cattle pens are arranged in the ceiling; each cattle pen comprises an inner side enclosure, an outer side enclosure, a left barrier and a right barrier; each fence and each partition are composed of a plurality of stand columns and transverse rods between the stand columns. The cow fence is characterized in thata sampling channel is arranged outside the outer side fence, the sampling channel comprises an outer fence and each cow fence outer side fence, the outer fence is arranged on the outer side and composed of a plurality of stand columns and transverse rods between the stand columns, and opening and closing doors arranged on the cow fence outer side fences serve as partitions; the length of the sampling channel adapts to the length of a cowshed, the width of the sampling channel adapts to the width of one cow, and the length between every two partitions adapts to the length of one cow; two endsof the sampling channel ar