What is Bovine Somatotropin?

Bovine Somatotropin (bST) is being in use in Pakistan in commercial dairies. Here it is commonly used by the brand name of  "BOOSTIN" which is the research product of Monsanto and in USA Monsanto has a marketing rights and market it with the name of "POSILAC"whereas in other part of world Eli Lilly (Elanco animal Health) has marketing rights and available with the brand name "SOMATECH". Currently in Pakistan Elanco's product "SOMATECH" is being marketed by ICI Pakistan Limited Animal Health division.  


Bovine somatotropin is a growth hormone found in cattle. The word bovine refers to cattle, and the word somatotropin refers to the name of the hormone. Hormones are chemicals that are secreted by glands within the body. They are natural substances that affect the way the body operates. Bovine somatotropin, abbreviated as bST, is a protein hormone produced in cattle by the pituitary gland located at the base of the animals brain. 

Somatotropin and Misconceptions

Growth hormone (Somatotropin) is a protein hormone of about 190 amino acids that is synthesized and secreted by cells called somatotrophs in the anterior pituitary. It is a major participant in control of several complex physiologic processes, including growth and metabolism. Growth hormone is also of considerable interest as a drug used in both humans and animals.

Side effects of Artificially Induced Oxytocin

What is Oxytocin?

Oxytocin in a nine amino acid peptide that is synthesized in hypothalamic neurons and transported down axons of the posterior pituitary for secretion into blood. Oxytocin is also secreted within the brain and from a few other tissues, including the ovaries and testes. Oxytocin differs from antidiuretic hormone in two of the nine amino acids. Both hormones are packaged into granules and secreted along with carrier proteins called neurophysins.