Colostrogenesis: The Formation of Bovine Colostrum
A pregnant cow, about 3-4 weeks before delivery, creates what is called colostrum. It is created by a fluid which is released into the mammary tissue being developed in the mother cow. This fluid contains transforming substances and growth hormones such as progesterone. Progesterone attaches to the cell lining in the mammary gland and inhibits the cells from releasing any fluid into the gland during the pregnancy. These cells have receptors on them that help transfer substances such as antibodies, growth promoters and other hormones from the mother cow's blood into the mammary gland. These substances help the calf in its development after it is born.…