JIK

Just in case your wondering from the previous post... Of the hormones used in beef cattle implants (pellets), three are naturally occurring (estradiol, progesterone and testosterone) and two are synthetics (zeranol and trenbolone acetate). Estradiol, progesterone and zeranol are estrogenic, whereas testosterone and trenbolone acetate are androgenic. Estrogenic refers to hormones affecting female characteristics and androgenic refers to hormones affecting male characteristics. Zeranol mimics estradiol and trenbolone acetate mimics testosterone. Implants work by increasing circulating levels of somatotropin and insulin-like growth-factor 1. This causes an increase in the secretion of growth hormone, which increases muscle growth. The type of hormone pellet depends on the age of the animal. There are formulations used for nursing calves on up to cattle entering the feedlot. Cattle entering the feedlot are densely housed and eat all the time to quickly gain weight prior to slaughter. And yes we eat the hormonalized meat (if we eat beef). There are similar practices with pork and chicken as well.