Article published the November 2, 2022
IntroductionImprovest® (Zoetis, Kalamazoo, MI) is immunological product for intact male pigs that stimulates the production of antibodies against gonadotropin-releasing factor (GnRF), blocking its activity and causing temporary castration. It was approved for use in the United States in 2011 (FDA 2011). Improvest management delays castration, taking advantage of increased feed efficiency and l ...
Article published the October 5, 2020
INTRODUCTION For any technology to gain industry-wide adoption, it must provide value to all segments of the industry and have minimal associated risks. Immunological castration (Improvest, Zoetis Inc., Kalamazoo, MI, GnRFanalog-diphtheria toxoid conjugate) provides an effective alternative to physical castration for reducing boar odor of intact male pigs while improving lean deposition compa ...
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