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천영주,이학림,신명호,이봉덕,손찬구 한국가금학회 2006 한국가금학회 정기총회 및 학술발표회 Vol.23 No.-
본 시험은 품질이 양호한 미국산 DDGS를 산란계 사료에 급여시 산란성적, 계란의 품질 및 난황지질의 총지방 함량과 지방산 조성에 미치는 영양적 가치를 평가하기 위해 실시하였다. 24주령의 HyLine Brown 계통의 산란계 900수를 옥수수-대두박 위주로 CP 17.0%, TMEn 2,780 kcal/kg의 동에너지-동단백질로 DDGS를 각각 0%, 10%, 15%, 20%를 첨가하여 4처리 5반복, 반복 당 45수씩 완전임의 배치로 10주간 급이하였다. 사료섭취량, 총난중 및 사료요구율 등의 산란 생산성은 모든 처리구 사이에 유의한 차이가 없었으나, 산란율은 DDGS 첨가구들에서 유의하게 감소하였다(P<0.05). 그러나 DDGS 첨가구들 사이에서는 산란율에 유의한 차이가 없었다. DDGS 첨가는 계란의 난각중, 난각강도, 난각색, 난백고 및 Haugh unit에 유의한 영향을 미치지 않았다. 그러나 난황색도의 경우 DDGS를 첨가하지 않은 대조구에 비해 DDGS의 첨가량이 증가함에 따라 난황색도가 유의적으로 증가하였다(P<0.05). 한편, 난황지질의 총지방 함량은 유의적인 차이가 없었으며, DDGS가 증가함에 따라 난황 oleic acid는 유의하게 감소하였으며, linoleic acid는 증가하였다. DDGS 첨가는 난황지방산의 불포화도에 영향을 미치지 않는 것으로 나타났다. A layer feeding trial was conducted for 10 weeks to investigate the effects of the addition of corn distillers dried grains with solubles: DDGS) to layer diets on the laying performance, egg qualities, and yolk fatty acid composition. Nine hundred Hyline Brown layers, 24 weeks of age, were randomly allotted to 20 replicate laying cages, 45 birdsper replicate. There were four diet treatments (0, 10, 15, and 20% DDGS), and five replicates per treatment. All experimental diets were prepared to contain iso-protein (17%) and iso-calorie (TMEn 2,780 kcal/kg). The addition of DDGS up to 20% level did not exert any influence on feed intake, total egg mass, mean egg weight, and feed conversion ratio. The laying rate decreased in three DDGS treatments (P<0.05) compared to non-DDGS control. However, no difference was found among the three DDGS treatments. DDGS did not exert any influence in weight, breaking strength, and color of eggshell. The albumin height and Haugh unit was not influenced by DDGS addition, The yolk color was significantly increased by DDGS supplementation. As the DDGS level increased, the oleic acid content decreased, and the linoleic acid increased (P<0.05). The degree of saturation of yolk fatty acids was not affected by dietary DDGS.
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천영주,이학림,신명호,이수기,이봉덕,손찬구 충남대학교 농업과학연구소 2007 농업과학연구 Vol.34 No.1
A layer feeding trial was conducted for 10 weeks to investigate the effects of the addition of corn distillers dried grains with solubles (DDGS) to layer diets on the laying performance, egg qualities, and yolk fatty acid composition. Nine hundred Hyline Brown layers, 24 weeks of age, were randomly allotted to 20 replicate laying cages, 45 birds per replicate. There were four diet treatments (0, 10, 15, and 20% DDGS), and five replicates per treatment. All experimental diets were prepared to contain iso-protein (17%) and iso-calorie (TMEn 2,780 kcal/kg). The use of DDGS up to 20% level in layer diets did not exert any influence on feed intake, laying rate, total egg mass, mean egg weight, and feed conversion ratio. DDGS did not exert any influence in weight of egg, breaking strength, and color of eggshell. The albumen height and Haugh unit was not influenced by DDGS addition. The yolk color was significantly increased by DDGS supplementation. As the DDGS level increased, the oleic acid content decreased, and the linoleic acid increased (P<0.05). The degree of saturation of yolk fatty acids was not affected by dietary DDGS. The inclusion of DDGS up to 20% in layer diets resulted in the decrease of feed cost per kg without any effect in the laying performance. In conclusion, the use of DDGS up to 20% level in layer diets could replace corn and soybean meal without any harmful effect on the laying performances.
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