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Accredited SCOPUS
가수분해 옥수수주정박과 보호 라이신콜린 급여가 젖소의 산유특성에 미치는 영향
Effects of Feeding DDGS Hydrolysate and Rumen-protected Lys,choline on Milk Production of Lactating Dairy Cow
임동현 ( Dong Hyun Lim ) , 기광석 ( Kwang Seok Ki ) , 최순호 ( Sun Ho Choi ) , 이현준 ( Hyun June Lee ) , 김태일 ( Tae Ile Kim ) , 박성민 ( Seong Min Park ) , 권응기 ( Eung Gi Kwon ) , 박수범 ( Su Bum Park )
UCI I410-ECN-0102-2014-500-001821312

This study was carried out to investigate the effect of DDGS hydrolysate (H-DDGS) and rumen-protected lysine-choline complex (RPLC) on milk production and blood metabolites in dairy cows. Feeding trials was performed to latin-square design using the 4 mid-lactational cows for 8 weeks, and treated with T1 (H-DDGS 1.1 kg), T2 (H-DDGS 0.73 kg + RPLC 0.15 kg), T3 (H-DDGS 0.37 kg + RPLC 0.30 kg) and T4 (H-DDGS 0.37 kg + RPLC 0.15 kg) according to the content of protein source. Dry matter intake (DMI) of TMR and average weight showed no significant difference between treatments. The milk production of T1, T2 and T4 were significantly higher than T3 treatment (p < 0.05), and milk/DMI efficiency tend to increase in the T1. Milk components showed no significant difference between treatments, however, the milk protein of T2 increased to 0.15% than T1. Also blood metabolites showed no significant difference between treatments. But T-CHO level numerically represented a lower trend in the treatments of adding to RPLC compared with T1. This result suggests that the high level (1.1 kg) of H-DDGS is expected to improve the feed utilization without the negative impact on weight gain, feed intake and milk production as the lactation stage of dairy cows proceeds, and 0.15 kg of RPLC under the same feeding conditions of H-DDGS may be useful on fat metabolism.

[자료제공 : 네이버학술정보]
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