[논문]Effects of Dietary Glycine Betaine on Growth and Pork Quality of Finishing Pigs

Yang, Han Sul; Lee, Jeong Ill; Joo, Seon Tea; Park, Gu Boo

doi:10.5713/ajas.2009.80645

[국내논문] Effects of Dietary Glycine Betaine on Growth and Pork Quality of Finishing Pigs 원문보기

Asian-Australasian journal of animal sciences, v.22 no.5, 2009년, pp.706 - 711

Yang, Han Sul (Department of Animal Science, Gyeongsang National University) , Lee, Jeong Ill (Livestock Promotion Research Institute) , Joo, Seon Tea (Department of Animal Science, Gyeongsang National University) , Park, Gu Boo (Department of Animal Science, Gyeongsang National University)

Abstract ▼ AI-Helper

This study was carried out to compare the growth performance and quality properties of pork from finishing pigs fed different levels of betaine. A total 120 female pigs (Landrace${\times}$Yorkshire${\times}$Duroc) were fed either a control commercial diet or the control diet supplemented with 2, 4 and 6% betaine for 31 days. The average daily feed intake (ADFI) of the 2% diet was lower than of the other treatment groups. The average daily gain (ADG) for pigs fed betaine diets was significantly higher (p<0.05) compared with nonsupplemented diets. Feed conversion ratio (FCR) of pigs fed betaine diets was significantly lower (p<0.05) compared with nonsupplemented diets. pH of loin and ham samples were not significantly different between dietary groups, whereas CIE a* (redness) of pork loin was increased by dietary betaine. Also, the shear force value of loin was significantly higher (p0.05). Dietary supplementation with betaine decreased total cholesterol concentrations in blood, and increased saturated fatty acid and decreased unsaturated fatty acid levels in muscle. Pigs supplemented with betaine had increased betaine concentrations in the loin muscle. It was concluded that dietary betaine supplementation of finishing pigs can improve growth performance and reduce blood cholesterol concentrations. It was also concluded that dietary betaine produced detectable betaine concentrations in the lion muscle.

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문제 정의

One of the primary goals of this study was to determine whether dietary betaine supplementation would increase muscle tissue betaine and, if so, whether it would affect pork quality. Betaine concentrations were significantly higher (p<0.

제안 방법

Therefore, the purpose of this study was to determine whether betaine accumulation in muscle tissue is affected by feeding level, and how these levels of betaine affect pork quality in the different muscle types and the growth performance of pigs from 65 to 100 kg.
Three replications of ten pigs per replicate were used for each treatment group. The group diets included a corn-soybean meal basal (Table 1) supplemented with 0, 0.2, 0.4 and 0.6% betaine (v/w) for 31 days. Betaine (99% pure) was purchased from a commercial bio-chemical company (Jin-Bio, Jinju, Korea).
The pigs were weighed and feed intake was determined weekly up to 100 kg body weight. Average daily gain (ADG), average daily feed intake (ADFI), and feed conversion ratio (FCR) were calculated for all pigs for the experimented period. Pigs were slaughtered at approximately 100 kg live weight and transported to the local slaughter house for electrical stunning followed by exsanguination.

대상 데이터

Three replications of ten pigs per replicate were used for each treatment group. The group diets included a corn-soybean meal basal (Table 1) supplemented with 0, 0.
6% betaine (v/w) for 31 days. Betaine (99% pure) was purchased from a commercial bio-chemical company (Jin-Bio, Jinju, Korea). Experimental diets and water were provided on an ad libitum basis throughout the experiment.
27-cm core taken parallel to the muscle fiber, heated at 75℃ in a water bath, and then cooled to room temperature. Samples were sheared perpendicular to the grain of the muscle fiber using an Instron University Testing Machine (Model 100) fitted with a Warner-Bratzler shearing device with a cross-head speed of 100 mm/mm and a 10 kg load cell.

데이터처리

Data were analyzed by analysis of variance (ANOVA) using the Statistical Analysis System (SAS) program. If a significant difference was detected, Duncan’s multiple range test was employed to determine significance between treatments.
the Statistical Analysis System (SAS) program. If a significant difference was detected, Duncan’s multiple range test was employed to determine significance between treatments. Significance level was established at p<0.

성능/효과

4% level of betaine had the highest ADG. The FCR of pigs fed betaine diets was significantly lower (p<0.05) than the non-supplemented diet (control), and the control had highest the FCR among the treatments. This result indicated that betaine supplementation could improve growth performance and feed efficiency.
05). Shear force value of ham was not significantly different among the dietary groups, and the data on the non-supplemented and 0.6% betaine diets showed significant differences with lower cooking loss than on 0.2 and 0.4% betaine (p<0.05).
Results from this study demonstrated that betaine supplementation in the diet improved growth performance in finishing pigs. However, for pigs fed 0.

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