Effect of "Ralgro" on growth, body composition and behaviour of lambs, heifers and bulls

J.J. Bass, K.T. Jagusch, K.R. Jones, T.F. Reardon, A.M. Day

Ruakura Animal Research Station, Ministry of Agriculture and Fisheries, Hamilton

Proceedings of the New Zealand Society of Animal Production. 1984, 44: 211-214

The effect of Ralgro on growth and carcass composition was examined in 3 lamb trials, in young and 15-month old bulls and in spayed and entire heifers. There was no consistent growth response to Ralgro in any of the trials, except for the spayed heifers. Increased meat percentage from Ralgro was found only in young bulls. Aggressive bull behaviour was controlled by Ralgro only in young bulls from April-July at approximately 8 to 11 months of age.

Keywords: NZSAPAB;

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