Majority of hormones are used for not only increase in growth or weight gain, but also feed efficiency. There are two types of hormones, these being synthetic and natural. read more
Hormones used to fatten beef cattle and their availability are synthetic and natural hormones that ensure cattle has a high turn over rate, i.e. they are quickly slaughtered and replaced with new fast growing/fattened cattle. read more
When farmers give their livestock such growth-promoting drugs — which can include natural and synthetic versions of estrogen, progesterone, and testosterone — the cow's weight increases rapidly. These drugs boost production of growth-stimulating hormones that help the animal convert feed into muscle, fat, and other tissues more efficiently than they would naturally. read more