Performance of Large White Yorkshire Crossbred pregnant Gilts fed food Wastes With or Without supplementation
Keywords:
Food wastes, Nutrient supplementation, Pregnant gilts, PerformanceAbstract
Food wastes of vegetable origin fed to pigs contained significantly (P<0.05) higher metabolizable energy, comparable crude protein and lower dry matter, crude fibre, total ash, calcium, phosphorus, copper and iron compared to pregnant gilt feed (NRC, 1998). To optimize the food wastes for nutrients to be comparable with pregnant gilt feed, de-oiled rice bran at 33% and mineral mixture at 2% were added as supplement for food wastes on DM basis. A feeding trial was conducted in 18 large white Yorkshire crossbred bred gilts. The treatment groups were pregnant gilt feed (T 1 ), food wastes as sole feed (T 2 ) and food wastes + evolved supplement (T 3 ) with 6 animals in each treatment. The gestation body weight gain and gestation length did not differ (P<0.05) significantly among the treatment groups. No significant difference in litter size, litter weight at birth and weaning weight were observed among the treatment groups. Higher per cent stillborns and per cent piglet mortality was observed in T 2 compared to T 1 and T 3 . The average birth weight and weaning weight of piglets were significantly (P<0.05) lower in T 2 . Supplementation to food wastes (T 3 ) increased the piglet birth weight and weaning weight comparable to T 1 . Sows body weight after farrowing and at the time of weaning and lactation body weight loss did not differ significantly (P<0.05) among the treatment groups.
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