Die invloed van speenouderdom op die doeltreffenheid van ’n versnelde paringsfrekwensie met skape (Kort mededeling)
The influence of weaning age on the efficiency of an accelerated mating frequency with sheep. One hundred late pregnant South African Mutton Merino ewes were divided into two comparable groups (an early and a late-weaning group) of 50 animals each…