Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Other Genetics and Genomics
Causes Of Low Lambing Percentages, Department Of Agriculture, Western Australia
Causes Of Low Lambing Percentages, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
West Australian Merino flocks average about 70 per cent, lambs marked each year. Reasons for this low percentage are that as many as 30 per cent, of ewes do not lamb, twinning rates are low and from 10 to 25 per cent, of lambs born die.
Among the research projects by the Department of Agriculture's Sheep and Wool Branch have been a number directed at the various stages of reproduction in the ewe. These have given some important leads on the causes of low lambing percentages.
If you have marked less than 60 per cent, lambs in the past several …