[Growth hormone (BST) in animal production].

This study was conducted with the objective to evaluate and reach to the conclusion wether is growth factor in human for BST hormone which is species specific (bovine). Based in this, the effect of BST hormone on milk production specially in cows was analyzed, with a fundamental application, in meat production in: bovine, swine poultry y egg production. This arise a question related to the inter-reaction with the sexual behavior and maternity of this hormone. For this reason, the mechanism of action this hormone such as: lactogenesis, nitrogin level, ribosomal RNA (rRNA), protoglicans, etc. were analyzed and the necessary precaution and biological effects with the respect to the consumption of the food produced using this hormone were stated.