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rBST is a product allowed only in certain jurisdictions and primarily given to dairy cattle by injection to increase milk production.. Bovine somatotropin or bovine somatotrophin (abbreviated bST and BST), or bovine growth hormone (BGH), is a peptide hormone produced by cows' pituitary glands. [1]
Farmers in some countries sometimes administer hormone treatments to dairy cows to increase milk production and reproduction. About 17% of dairy cows in the United States are injected with Bovine somatotropin, also called recombinant bovine somatotropin (rBST), recombinant bovine growth hormone (rBGH), or artificial growth hormone. [52]
Bovine somatotropin occurs in the pituitary of cattle and differs in structure from human pituitary growth hormone and is biologically inactive in the human being. Bovine somatotropin aids in regulating the amount of milk produced. Recombinant bovine somatotropin (rBST) is a hormone that is injected in cows that increases milk production.
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Using hormones in beef cattle costs $1.50 and adds between 40 and 50 lb (18 and 23 kg) to the weight of a steer at slaughter, for a return of at least $25. [ 25 ] Bovine somatotropin , or bovine growth hormone, is a naturally produced protein in cattle.
These uses have been controversial. In the United States, the only FDA-approved use of GH for livestock is the use of a cow-specific form of GH called bovine somatotropin for increasing milk production in dairy cows. Retailers are permitted to label containers of milk as produced with or without bovine somatotropin.
Use of milk production hormone, recombinant bST: A study in February 1999 determined the "response to bST over a 305-day lactation equaled 894 kg of milk, 27 kg of fat, and 31 kg of protein". [19] Monsanto Company estimates a figure of about 1.5 million of 9 million dairy cows are being treated with rBST, or about 17% of cows nationally. [20]
Dairy—cow's milk, yogurt, and butter. 3. Cooling foods ... can have a big impact on hormones, according to the Cleveland Clinic. It reduces the amount of estrogen and progesterone in your body ...