Effects of Corn Distiller's Dried Grains with Solubles on Production Performance, Nutrient Digestibilities and Fecal Ammonia Emission in Laying Hens

옥수수주정박이 산란계의 생산성, 영양소이용율 및 분 암모니아 방출에 미치는 효과

  • Shin, M.H. (Department of Animal Science, Chungnam National University) ;
  • Rew, H.J. (Department of Animal Science, Chungnam National University) ;
  • Lee, H.R. (Department of Animal Science, Chungnam National University) ;
  • Lee, S.K. (Department of Animal Science, Chungnam National University) ;
  • Lee, B.D. (Department of Animal Science, Chungnam National University)
  • 신명호 (충남대학교 동물자원생명과학전공) ;
  • 유한진 (충남대학교 동물자원생명과학전공) ;
  • 이학림 (충남대학교 동물자원생명과학전공) ;
  • 이수기 (충남대학교 동물자원생명과학전공) ;
  • 이봉덕 (충남대학교 동물자원생명과학전공)
  • Received : 2008.01.25
  • Accepted : 2008.06.25
  • Published : 2008.12.30

Abstract

A layer feeding trial was conducted to investigate the effects of high quality corn distiller's dried grains with solubles(DDGS) on laying performance and nutrient metabolizabilities. A total of 216 Hy-line Brown layers, 23-wk of age, were employed in a 10-wk feeding trial consisting of three dietary treatments(0%, 10%, and 20% DDGS), and six replicates per treatment. All experimental diets were prepared as iso-protein(17%) and iso-calorie(2,780 kcal/kg). At the end of the trial, the effect of DDGS on fecal ammonia emission was also estimated. The use of DDGS up to 20% in layer diets did not affect the feed intake, laying rate, egg weight, and feed conversion ratio(P>0.05). The DM metabolizability decreased significantly(P<0.05) by the DDGS supplementation(P<0.05). The NFE metabolizability decreased gradually as the level of DDGS increased(P<0.05). The fecal ammonia emission from DDGS-fed birds tended to decrease as the storage days extended. In conclusion, albeit DDGS has some unfavorable effects on DM and NFE metabolizabilities, it could be included in layer diets up to 20% level without any harmful effects on laying performance.