9 research outputs found

    Diethylstilbestrol for Wintering, Pasturing and Fattening Beef Cattle

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    Since the approval of stilbestrol for cattle feeding, numerous experiments have been conducted to determine its value with various rations and feeding systems. Several questions have been raised. What are the effects of stilbestrol over a long period of time? What effects will stilbestrol administration during the pasture season have on later feed-lot performance when stilbestrol is given again? How long are implants effective? What are the comparative effects of implants and feeding stilbestrol under various feeding systems and the effects of the two methods of administration on carcass grade and carcass characteristics? These are important questions and present research in these areas is limited or not conclusive. The trial reported here was conducted to obtain more specific information on these problems

    Natural Antioxidants Against Arsenic-Induced Genotoxicity

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    Biotransformation of arsenic and toxicological implication of arsenic metabolites

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    Artificial Lighting at Night in Estuaries—Implications from Individuals to Ecosystems

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