The effect of winter and early spring feeding levels, lambing status and ewe age on staple strength, fibre diameter at the point of break, and position of staple break were measured in pregnant Romney and Coopworth mixed-age ewes at Whatawhata and Ruakura, respectively. Mid-pregnancy feeding levels produced significant differences in staple strength (37 v 20 newtons/kilotex in the Romney; and 52 v 45 N/ktex in the Coopworth) and diameter at the point of break (37 v 34

RMW, Sumner

Proceedings of the New Zealand Society of Animal Production, Volume 44, , 45-48, 1984
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