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Effect Of Dietary Energy Intake During Lactation On Performance Of Primiparous Sows And Their Litters, J. L. Nelssen, A. J. Lewis, E. R. Peo, J. D. Crenshaw
Effect Of Dietary Energy Intake During Lactation On Performance Of Primiparous Sows And Their Litters, J. L. Nelssen, A. J. Lewis, E. R. Peo, J. D. Crenshaw
Department of Animal Science: Faculty Publications
A total of 146 primiparous sows was used in four replications of an experiment to investigate the effect of energy intake during a 28-d lactation on sow and litter performance. Dietary treatments consisted of three energy intakes; 10, 12 or 14 Mcal of metabolizable energy (ME)·sow– 1 ·d–1. All sows were fed equal amounts of crude protein, vitamins and minerals daily, which met or exceeded standard recommendations. The experiment was initiated at parturition. Sow weight and backfat loss during lactation decreased linearly (P