Lymph vessels route lymph fluid through nodes throughout the body. Lymph nodes are small structures that work as filters for harmful substances. They contain immune cells that can help fight infection by attacking and destroying germs that are carried in through the lymph fluid.
Discontinuing the use of rbST will entitle the farm to an additional over-order premium. Michigan cooperatives were given a commitment for a 75 cent/hundredweight (cwt) premium to provide rbST-free milk for the Class I market for a 1-year period. This money will be part of the over-order premium.
Reviewed by the BabyCenter Medical Advisory Board. Bovine growth hormone, or bovine somatotropin (also called bGH, rbGH, bST, or bST), is given to cows to make them mature faster and produce more milk. The hormone is produced by cows' pituitary gland and an extra amino acid is attached before it's injected into dairy cows. The hormone was first used in 1993.