Influence of stage of gestation at grouping and presence of boars on farrowing rate and litter size of group-housed sows

Materials and methods: In Experiment One, 617 mixed-parity weaned sows were assigned at the time of insemination to be housed individually or in groups of 15. Each group of 15 unfamiliar sows comprised three sows at each of 2, 7, 14, 21, and 28 days from breeding. Sows were floor-fed a standard gestation ration once daily (approximately 2.5 kg per sow… CONTINUE READING