Asian-Australasian Journal of Animal Sciences

Asian Australasian Association of Animal Production Societies (아세아태평양축산학회)
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Evaluation of Chinese Brown Rice as an Alternative Energy Source in Pig Diets

  • Piao, X.S. (Ministry of Agricultural Feed Industry Center, China Agricultural University) ;
  • Li, Defa (Ministry of Agricultural Feed Industry Center, China Agricultural University) ;
  • Han, In K. (806 Kwachon Officetel) ;
  • Chen, Y. (Ministry of Agricultural Feed Industry Center, China Agricultural University) ;
  • Lee, J.H. (806 Kwachon Officetel) ;
  • Wang, D.Y. (Ministry of Agricultural Feed Industry Center, China Agricultural University) ;
  • Li, J.B. (Ministry of Agricultural Feed Industry Center, China Agricultural University) ;
  • Zhang, D.F. (Ministry of Agricultural Feed Industry Center, China Agricultural University)
  • Received : 2001.05.18
  • Accepted : 2001.08.10
  • Published : 2002.01.01
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Abstract

A total of six crossbred barrows ($Duroc{\times}Landrace{\times}Large$ White, $44.17{\pm}1.94kg$ BW) were housed conducted to evaluate apparent fecal digestibilities of Brown Rice (BR) as an alternative energy source in growing pigs. Pigs were housed individually on metabolism crate on the basis of body weight. Four treatments contained: 1) 100% of corn-soybean meal (C100; Control diet), 2) 75% of corn-soybean meal diet plus 25% of corn meal (C25), 3) 100% of brown rice-soybean meal diet (BR100), 4) 75% of brown rice-soybean meal diet plus 25% of brown rice meal (BR25). Brown rice has an excellent gross energy and crude protein composition compared to corn. The BR used had 3,801 kcal of gross energy/kg, 8.0% crude protein, 2.6% of ether extract, 0.035% calcium and 0.35% total phosphorus. The best digestibilities of energy (87.75%), DM (81.71%) and CP (78.57%) were observed in BR 100 group and the worst were found in Corn 25 group. The nutrient digestibility was not significantly different in most nutrients. Through this experiment, BR appeared a good alternative energy source that can replace corn yellow to 100% in growing pigs. Therefore, the price relationship between corn and BR may provide an excellent opportunity for pork producers to use BR in order to reduce feed costs provided that diet has been balanced for digestible amino acids.

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