Verfahren zur Schaedlingsbekaempfung,insbesondere von Nagetieren und hierfuer geeignete Mittel

摘要

Animals are sterilized by administering thereto during the first third of their sexual maturing period a compound of the general formula: wherein R is an alkyl or aryl hydrocarbon radical having less than 8 carbon atoms and R1 is a hydrogen atom or an acyl group containing less than 12 carbon atoms. The compounds may be administered parenterally, orally, e.g. mixed with a feed or bait or as a pill, tablet or capsule) or as a suppository, or they may be administered to the lactating mother in a quantity to impart the requisite dose in the milk to the young.