Abstract
128 carpet wool ewes, Romneys and Merinos of between 12 and 30 months of age, were set stocked for 13 months on a property at Oberon NSW. Live weights (LW) for Carpetmasters, Drysdales, Romneys and Tukidales were similar with Elliottdales being slightly lighter and the Merinos lighter again, giving rise to significant breed effects for maximum live weight (LW MAX) and minimum live weight (LW MIN). Wool growth (WG) of each breed was similar during winter, with significant differences between breeds appearing during summer. Breed had a significant effect on amplitude of live weight (LW AMP) and wool growth (WG AMP). There is a strong positive correlation between LW MAX and LW MIN and negative correlations between LW MIN and LW AMP, and minimum wool growth (WG MIN) and WG AMP. Regression analysis for predicting WG from LW and change in LW was unsuccessful with low R2(%) values especially during winter. It appears that nutritional influence on WG during winter may be minimal.
Proceedings of the New Zealand Society of Animal Production, Volume 55, , 94-96, 1995
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