IMPROVING THE FEED INTAKE

1438204 Improving the feed intake of ruminants SMITHKLINE CORP 23 Aug 1974 [6 Sept 1973] 37095/74 Heading A5B Polyphagia is induced in immature ruminant animals by administering to said animals a feed, implant, sterile solution or suspension having dispersed uniformly therein a quantity of a compound having the formula in which A is keto or methylene, R is trifluoromethyl or halo; and R' is trifluoromethyl, halo and, when A is keto, hydrogen sufficient to induce polyphagic activity in an immature, healthy ruminant animal but not to be toxic to the animal. The active compound may be in the form of a salt with acetic, sulphuric, hydrochloric, hydrobromic, sulphamic, methanesulphonic, p-toluenesulphonic, pamoic, nitric, phosphoric or lactic acids. The animal feeds may also contain antioxidants, minerals, vitamins, e.g. vitamin A and D, antibiotics and/or anthelmintics.