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Showing 1 to 1 of 1 for “"ewe replacements"”.
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An economic evaluation of the optimal ewe replacement policy for typical Canterbury light land and irrigated properties
Every year in New Zealand large numbers of ewes which are suitable for another full year of production are killed at the freezing works. This is the result of the breeding ewe's productive life being traditionally determined by the state of its incisor teeth. The basis for this culling policy is …