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Administration of the synthetic steroid, 17 beta-hydroxy-17 alpha-methyl-estra-4,9,11-triene-3-one (methyltrienolone, R1881), which is an androgen receptor agonist not metabolized in vivo, at doses of 400, 800 or 2400 micrograms/kg s.c. in propylene glycol stimulated mounting and ejaculation only slightly in sexually experienced castrated rats. A similar(More)
Eighty-five pigs were artificially infected with Hyostrongylus rubidus, Oesophagostomum species and Ascaris suum. On days 2, 10, 20 or 51 after infection groups of six were treated with oxfendazole premix in food at various dose rates. Subsequently the pigs were slaughtered for comparative worm counts to be made in treated and control animals. The efficacy(More)
Oxfendazole was administered in paste or drench formulations to groups of five horses carrying naturally acquired worm burdens. At a dose rate of 10 mg/kg the efficacy of either formulation appeared similar. One hundred per cent of the adult populations of the following genera was removed: Parascaris, Oxyuris, Strongylus (S edentatus, S vulgaris),(More)