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.
This hormone is called bovine somatotropin or BST. It is banned in the UK and Europe but has been licensed in the US since 1995. BST is given to cows to make them produce more milk. The European Union ban was made permanent on January 1st 2000.