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Vaccine Weekly

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Life Sciences



Research on life sciences detailed by scientists at University Hohenheim



September 24th, 2008

New investigation results, 'Individual return to Leydig cell function after GnRH-immunization of boars,' are detailed in a study published in Vaccine. "Immunization of boars against GnRH inhibits synthesis of testicular anabolic steroids and the sex odour androstenone. Time between second vaccination and return of Leydig cell function is unknown," scientists writing in the journal Vaccine report.

"Six catheterized boars received the second dose (Improvac) at 26 weeks of age (day 0). Titre, LH, testicular steroids, and IGF-I were determined in blood until testosterone exceeded 0.5 ng/mL again in all boars. At week 10 the titer was low again. Return of...


Source: Vaccine Weekly (2008-09-24)

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