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.
Bovine somatotropin, abbreviated as bST, is a protein hormone produced in cattle by the pituitary gland located at the base of the animals brain. A hormone similar to bST is produced in all species of animals.n most dairy herds, bST will not be used in cows until they have been in lactation for about 100 days. It will not be used in cows with chronic health or fertility problems. It is expected that bST will be used less in heifers than in adult cows.