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The development of genetic engineering allowing the direct manipulation of DNA molecules in vitro, called recombinant technology, has offered production of many biologically active compounds. The greates success in recombinant DNA techniques has been obtained in the aera of manufacturing hormones, e.g. insulin and beta-endorphin. Presently bovine somatotropin genetically engineered (rBST) has been...
In this short review the presence, relative concentrations of the plasma, and a possible physiological role of hormones in the cow’s milk have been discussed. On the basis of available data, three categories of hormones in milk have been differentiated: 1 — hormones which exist in trace amounts originated from circulation, 2 — hormones which occur in milk during some phases of lactation in higher...
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