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Effects of Medium Chain Triglyceride with Organic Acid on Growth Performance,Blood Profiles, Nutrient Digestibility, Intestinal Morphology, and Incidence of Diarrhea in Weaning Pigs : 이유자돈 사료 내 중쇄지방산과 유기산의 첨가가 이유자돈의 성장성적, 혈액성상, 영양소 소화, 소장의 형태학적 변화 및 설사빈도에 미치는 영향

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Authors
고태욱
Advisor
김유용
Major
농업생명과학대학 농생명공학부
Issue Date
2018-02
Publisher
서울대학교 대학원
Keywords
Medium chain triglycerideOrganic acidWeaning pigGrowth performanceIntestinal morphology
Description
학위논문 (석사)-- 서울대학교 대학원 : 농업생명과학대학 농생명공학부, 2018. 2. 김유용.
Abstract
This experiment was conducted to evaluate the effect of medium chain triglyceride with organic acid on growth performance, blood profiles, nutrient digestibility, intestinal morphology, and incidence of diarrhea in weaning pigs. A total of 120 weaning ([Yorkshire x Landrace]) x Duroc) pigs (8.00 ± 0.870kg BW) were assigned in five treatments considering sex and initial body weight in 3 replication with 8 pigs per pen in randomized complete block (RCB) design. The first factor was two levels of MCT 0.1% or MCT 0.2%, and second factor was OA 0% or OA 0.1%. In the feeding trial, supplementing 0.1% MCT with 0.1% OA showed the greatest growth performance among treatments numerically. Also, supplementing MCT especially improved ADG significantly during each phase (phase 1, P=0.04
phase 2, P=0.01
overall period, P=0.01) and increased G:F ratio significantly during phase 1 (P=0.01). In blood profiles, there was no significant difference in cortisol, IgG, TNF-α, IL-6, IL-10, and IL-1β among treatments. Nutrient digestibility had no significant difference among treatments. The piglets fed with 0.1% MCT had greater villus height in duodenum and ileum, respectively during phase 1 (MCT, P=0.04
P=0.03). Also, 0.1% OA increased villus height and villus height to crypt depth ratio during phase 2 (OA, P=0.01
P=0.04). No significant difference was observed in the incidence of diarrhea among treatments. In conclusion, supplementing 0.1% MCT with 0.1% organic acid improved intestinal morphology, thus it had positive influence on growth performance in weaning pigs.
Language
English
URI
https://hdl.handle.net/10371/141764
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College of Agriculture and Life Sciences (농업생명과학대학)Dept. of Agricultural Biotechnology (농생명공학부)Theses (Master's Degree_농생명공학부)
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