Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effect of Dietary Selenium Binding Yeast Peptide on Growth Performance, Tissue Se, Serum Glutathione Peroxidase Activity and Meat Quality in Finishing Pigs

비육돈에 있어서 Selenium Binding Yeast Peptide의 첨가가 생산성, 조직내 Se함량, 혈청내 GSH-Px의 활성 및 돈육의 품질에 미치는 영향

  • 권오석 (단국대학교 동물자원과학과) ;
  • 홍종욱 (단국대학교 동물자원과학) ;
  • 민병준 (단국대학교 동물자원과학) ;
  • 이원백 (단국대학교 동물자원과학) ;
  • 손경승 (단국대학교 동물자원과학) ;
  • 김인호 (단국대학교 동물자원과학) ;
  • 김진만 ((주)뉴로타이드)
  • Published : 2004.08.01
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Abstract

This study was conducted to evaluate the effects of selenium binding yeast peptide supplementation on growth performance, tissue Se, serum glutathione peroxidase activity and meat quality in finishing pigs. A total of eighty (Duroc${\times}$Yorkshir${\times}$Landrace) pigs (82.88$\pm$1.23 kg average initial body weight) were used in a 35-day assay. Dietary treatments included 1) CON (basal diet), 2) SY1 (CON diet＋0.05％ selenium binding yeast peptide), 3) SY2 (CON diet＋0.l％ selenium binding yeast peptide) and 4) SY3 (CON diet＋0.2％ selenium binding yeast peptide). Overall period, average daily gain of pigs fed selenium binding yeast peptide diet was higher than that of pigs fed CON diet, however, there was not significant difference (p＞0.05). L＊ (lightness) value of M. longissimus dorsi was higher in SY2 than CON and SY3 (p＜0.05). a＊ (redness) value of M. longissimus dorsi was lower in CON than other treatments (p＜0.05). Selenium content in serum was increased as adding selenium binding yeast peptide compared to pigs fed CON diet. However, there was not significantly different among the treatments (p＞0.05). Selenium content of M. longissimus dorsi was higher in SY2 (0.021 $\mu$g/g) and SY3 (0.031 $\mu$g/g) than CON diet (0.008 $\mu$g/g) (p＜0.05). Selenium content of kidney was increased in SY2 I and SY3 compared to pigs fed CON and SY1 (p＜0.05). Selenium content of liver was higher in SY1 than CON (p＜0.05). In conclusion, it is suggested that selenium content could be accumulated in M. longissimus dorsi, kidney and liver by selenium binding yeast peptide supplementation, and meat color of M. longissimus dorsi could be affected by selenium binding yeast peptide supplementation.

본 연구는 selenium binding yeast peptide의 식이내 첨가가 돼지의 생산성, 조직내 Se, 혈청내 GSH-Px의 활성 및 돈육의 품질에 미치는 영향을 확인하고자 실시하였다. 3원 교잡종(Duroc ${\times}$ Yorkshire ${\times}$ Landrace) 비육돈 80두를 공시하였으며 시험개시 시의 체중은82.88$\pm$1.23kg이었다. 시험설계는 옥수수-대두박 위주의 식이로서 처리한 대조구(CON：기초식이), 대조구 식이 내 selenium binding yeast peptide 물질을 0.05%(SY1. 대조구＋0.05% selenium binding yeast feptide), 0.1%(SY2： 대조구＋0.1% selenium binding yeast 울ptide) 및 0.2% 첨가한 구(SY3： 대조구＋0.2% selenium binding yeast peptide)로 4개 처리를 하여 처리 당 5반복, 반복 당4두씩 임의 배치하였다. 사양기간 동안의 성장률에 누는 selenium binding yeast peptide를 급여한 처리구가 대조구에 비하여 다소 높은 경향을 보였지만, 유의적인 차이는 보이지 않았다(p＞0.05). 명도를 나타내는 L＊-값은 SY2가 대조구와 SY1에 비하여 유의적인 차이를 보였다(p＜0.05). 적색도를 나타내는 a＊-값은 대조구가 다른 처리구와 비교하여 낮은 수치를 나타내었다(p＜0.05). 혈청 내 Se의 함량은 대조구가 516 mg/mL로 selenium binding yeast peptide를 급여한 처리구에 비하여 낮게 나타났지만 유의 적인 차이는 보이지 않았다(p＞0,05). 등심의 Se 함량은 대조구(0.008 $\mu$g/g)에 비해 SY2(0.021 $\mu$g/g) 및 SY3(0.031 $\mu$g/g)에서 유의적인 차이를 나타냈다(p＜0.05). 신장의 Se함량에서는 SY2와 SY3가 대조구 및 SY1과 비교하여 유의적으로 높게 나타났다(p＜0.05). 간에서는SY1이 대조구에 비하여 높게 나타났다(p＜0.05). 위의 결과를 종합하여 볼 때 비육돈 식이내 selenium binding yeast peptide의 첨가는 등심, 신장 및 간에서 많이 축적되는 것으로 보이며, 육색에도 영향을 미치는 것으로 보인다.

Keywords

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