INCREASING FEED INTAKE OR ANIMALS

1348626 Animal feeds; pellets SMITH KLINE CORP 8 Feb 1973 [9 Feb 1972] 6155/73 Heading A5B An animal feed composition comprises a phenylalkylsulphamide or phenylalkylurea of formula I in which R 1 is phenyl, halophenyl, nitrophenyl or trifluoromethylphenyl; A is C 2-4 alkylene; R 2 , R 3 and R 4 are H or C 1-6 alkyl; and Z is SO 2 or CO, in an amount sufficient to increase feed intake and efficiency of animals, dispersed throughout an animal feed carrier. A pellet suitable for implantation in an animal, comprising a compound of formula I and a pharmaceutically acceptable carrier, is also described and claimed. The animal feed may be in the form of salt or molasses blocks or conventional feeds or premixes and may also contain medicaments such as antibiotics, anthelmintics and vitamins.