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The physiological effects of flushing ewes on ovulation and embryo survival
(Canterbury Agricultural College, University of New Zealand, 1952)
Prolificacy in sheep, under most types of flock management, may exert an overwhelming influence on profitability. Three major classes of sheep farming are found in New Zealand, namely Extensive farming, on high country and ...
A study of fertility in two-tooth ewes
(Canterbury Agricultural College, University of New Zealand, 1951)
In general farming practice in New Zealand maiden awes are not mated at puberty but are carried forward unmated under conditions more or less favourable to full growth and development until the second breeding season ...