Guide. Pericardial drainage (pericardiocentesis) is done to find the cause of fluid buildup around the heart and to relieve pressure on the heart. The tissue sac that surrounds the heart is called the pericardium. It protects the heart and parts of the major blood vessels connected to the heart.
Quick Answer. The original range of wild cows was northern Africa, Europe and southern Asia. Cows were domesticated between 10,000 and 6,500 years ago by cultures great distances from each other. Typical western cattle are from the older strain, which was most likely first domesticated in Turkey. Continue Reading
Dairy cattle (also called dairy cows or milk cows) are cattle cows bred for the ability to produce large quantities of milk, from which dairy products are made. Dairy cows generally are of the species Bos taurus.