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  1. Recombinant Bovine Growth Hormone I rBGH I rBST

    Recombinant bovine growth hormone (rBGH), also known as recombinant bovine somatotropin (rBST), is used by some dairy farmers to increase milk production in cattle (cows).

  2. Bovine somatotropin - Wikipedia

    Administration of rBST or BST prior to peak production, in cows that are well-fed, slows the rate at which the number of mammary cells decreases, and increases the amount of nutrients …

  3. What Are rBST-Treated Cows and Is Their Milk Safe?

    Jul 19, 2025 · Recombinant Bovine Somatotropin (rBST) is a synthetic version of a protein hormone naturally produced by cattle called bovine somatotropin (bST). This natural hormone …

  4. Are There Health Risks From rBST-Treated Cows?

    Sep 19, 2025 · rBST, or recombinant bovine somatotropin, is a synthetic version of bovine somatotropin (bST), a hormone naturally produced by cows in their pituitary glands. This …

  5. Bovine Somatotropin (bST) | FDA

    Apr 1, 2024 · The bST derived by this process is typically called “recombinant” bST or “rbST”. This process is also advantageous for producing a more consistent and purified source of bST.

  6. About rbGH - Center for Food Safety

    For nearly twenty years, rbGH (recombinant bovine growth hormone), also known as rbST (recombinant bovine somatotropin), has been a staple in the dairy products consumed by …

  7. Why rBST Is Bad For Cows, Milk Quality & Cheese Production

    Jan 22, 2025 · One controversial method involves injecting cows with recombinant bovine somatotropin (rBST). While rBST may boost milk yields, its negative effects on cows, milk …

  8. Are Hormones in Milk Safe? I U.S. Dairy | U.S. Dairy

    Jul 10, 2025 · The Food and Drug Administration approved the use of the synthetic version of this protein, called recombinant bovine somatotropin (rbST), that some dairy farmers use to …

  9. Since FDA approval in 1994, the use of recombinant bovine Somatotropin (rbST or bST) on U.S. dairy farms has increased, especially on large operations.1 Repeated studies have …

  10. What does rBST Free Mean? (with pictures) - Delighted Cooking

    Nov 6, 2006 · Recombinant bovine somatotropin (rBST) is a synthetic version of the Bovine somatotropin (BST) hormone found in cattle. The hormone is used by many commercial …