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자료유형
학술저널
저자정보
저널정보
한국영양학회 Nutritional Sciences Nutritional Sciences Vol.9 No.2
발행연도
2006.5
수록면
92 - 96 (5page)

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초록· 키워드

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Studies were earned out to determine the effect of feeding diet containing 5% canola oil on growth, feed efficiency, and fatty acid profile of bacon in finishing pigs and of longissimus muscle in horses fattening for meat production. In experiment 1, twenty cross-bred barrows and twenty cross-bred gilts (average weight, 80 ㎏) were blocked by sex and weight, and five barrows or five gilts were allotted to one of eight pens (6.25 ㎡/pen), respectively. Four pens (two with barrows and two with gilts) randomly selected were assigned to a control diet containing 5% tallow and the remaining four pens to a diet containing 5% canola oil. The average daily weight gain, daily feed intake and feed efficiency over a 6-wk feeding period were not different (p>0.05) between the two diets, nor was backfat thickness. Fatty acid profile in bacon fat showed that the n-3 fatty acid (a-linolenic acid) content in pigs fed diet containing 5% canola oil was approximately three times (P<0.01) as much as in pigs fed tallow. In experiment 2, thirty-two Jeju horses (average weight±SE, 244±5 ㎏) were blocked by sex and weight, and two horses of the same sex and similar body weight were allotted to one (15 ㎡/pen) of eight pens. Eight pens (four with males and four with females) selected randomly were assigned to a control diet containing 5% tallow and the remaining eight pens to a diet containing 5% canola oil. The average daily weight gain, daily feed intake and feed efficiency for concentrates without roughages over a 5-month feeding period were not different (P>0.05) between the two diet groups. Fatty acid profile in the muscle fat showed that the n-3 fatty acid (a-linolenic acid) content in horses fed diet containing 5% canola oil was approximately two times (P<0.01) that in horses fed tallow. The increased (P<0.01) n-3 fatty acid content in pigs and horses fed canola oil decreased the ratio of n-6 to n-3 fatty acids compared to the control, indicating a significant improvement in pork and horsemeat fatty acid profile for health benefit Our study demonstrated that feeding diet containing 5% canola oil may help produce polk and horsemeat with more health benefit, increasing their α-linolenic acid content without deleterious effects on growth of pigs and horses.

목차

INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
Literature Cited

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