허브부식토 급여가 비육우의 증체 및 육질개선에 미치는 영향 = Effects of Feeding Herbaceous Peat on Growth Performance and Meat Quality of Holstein Beef Cattle

다국어 초록 (Multilingual Abstract)

The experiment was conducted to investigate the effects of feeding herbaceous peat on growth performance and meat quality of Holstein beef cattle. Total of 20 Holstein beef cattle (18~20 month of age, $657{\pm}31kg$ body weight) were conventionally and separately fed a concentrate diet and rice straw for 134 days. The dietary treatments were randomly assigned by complete block design into four treatments, each of which were five heads in early fattening stage. The treatments in this study were the control group fed basal diet, feeding herbaceous peat group (5%/diet, T1), feeding coated vitamin C group (20g/head, T2) and feeding mixture of herbaceous peat and coated vitamin C group (5%/diet+20g/head, T3). The initial body weights between the groups of control, T1, T2 and T3 were similar showing with $689{\pm}31$, $661{\pm}24$, $659{\pm}32$ and $622{\pm}19kg$. The daily body weight gain was higher in T3 by 8.3% than that in the control (p<0.05). Glucose concentration in control group was the highest among treatments (p<0.05), but there was no significant differences between treatments on AST (aspartate aminotransferase), ALT (alanine aminotransferase), BUN and total protein concentrations of blood. The fat content of sirloin in the T2 was significantly higher than control and T1 group (p<0.05). Meat color (CIE) values in T2 was the highest among treatments (p<0.05), and other treatments also increased those values. In overall, the feeding herbaceous peat and vitamin C to the Holstein beef cattle was considered to have positive effects on the growth performance of Holstein beef cattle. In addition, the effects on the performances of animals were more improved when fed herbaceous peat and vitamin C concurrently.

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