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pro vyhledávání: '"G. F. Witcombe"'
Publikováno v:
The Journal of Agricultural Science. 106:81-87
SUMMARYMature Merino ewes (n = 500) were allotted at random to embryo removal (day 35; day 0 = day of oestrus detection), foetal removal (day 90) or lambing groups. These groups were further randomly divided into four single-sire mating groups. From