๐๐๐ฉ๐๐ค๐๐จ ๐ค๐ ๐ฅ๐ง๐๐๐ฃ๐๐ฃ๐๐ฎ ๐๐๐๐๐ฃ๐ค๐จ๐๐จ
A variety of different methods have been, and are still, used to detect the presence or absence of pregnancy in the cow. These range from the identification of substances that are present in body fluids using laboratory assays, and from different ultrasound modes...