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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.1
- 수록면
- 790 - 798 (9page)
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초록· 키워드
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The objective of this study was evaluation of pig behavior changes related to temperature, relative humidity, volatile organic compounds (VOCs), and illuminance. A total of 24 growing pigs ([Yorkshire × Landrace] × Duroc) were used in the experiment. A sensor was installed at a height of 0.5 m in the center of the pig house. In experiment 1, temperature was changed every four days to 18℃ (T1), 22℃ (T2), 26℃ (T3), and then 30℃ (T4). In experiment 2, relative humidity was adjusted to 45% (low humidity [LH]), 60% (middle humidity [MH]), and then 75% (high humidity [HH]) for four days. In experiment 3, after cleaning the pig house just before experiment, only minimal ventilation was provided. VOCs and pig behaviors were observed for 7 days without cleaning the pig house. In experiment 4, three light bulbs of 40 W (470 lumens / 45 lx; low illuminance [LI]), 75 W (1,055 lumens / 103 lx; middle illuminance [MI]), and 100 W (1,521 lumens / 146 lx; high illuminance [HI]) were used for four days each. Pig behavior analysis was performed for following criteria : Feed intake, Standing, Lying, Sitting, Drink water, Rooting, Posture transition (lying-standing), Posture transition (standing-lying), Wallowing, and Biting. In experiment 1, feed intake time was lower (p < 0.05) for the T3 than other treatment groups. Standing time was highest (p < 0.05) for the T1 and lowest (p < 0.05) for the T3. Lying time was shorter (p < 0.05) in T1 and T2 compared to T3 and T4. Drinking frequency was higher (p < 0.05) for the T4 than other treatment groups. In experiment 2, the frequency of rooting and wallowing increased (p < 0.05) with increasing humidity. LH showed the lowest (p < 0.05) rooting frequency and HH showed the highest (p < 0.05) rooting frequency. In experiment 3, VOCs concentration did not (p > 0.05) change pig behavior. In experiment 4, lying time was the longest (p < 0.05) at LI and shortest (p < 0.05) at HI. Therefore, pig behavior is heavily influenced by the environment, especially temperature and humidity. However, correlation between pig behavior to VOCs and illuminance seems to be needed more research.
목차
등록된 정보가 없습니다.
참고문헌 (12)
참고문헌 신청
이지환 / 2019 / Quantifiable and feasible estrus detection using the ultrasonic sensor array and digital infrared thermography / 한국축산학회지 61(3):163~169
Carlos Piñeiro / 2019 / Big (pig) data and the internet of the swine things: a new paradigm in the industry / Animal Frontiers 9(2):6~15
양가영 / 2018 / 영상정보에 의한 모돈의 분만징후 행동특성 분류 / 한국산학기술학회논문지 19(12):607~613
J. L. Barnett / 2001 / A review of the welfare issues for sows and piglets in relation to housing / Australian Journal of Agricultural Research 52(1):1~28
B. A. N. Silva / 2009 / Effects of dietary protein level and amino acid supplementation on performance of mixed-parity lactating sows in a tropical humid climate / Journal of Animal Science 87(12):4003~4012
Carlos Piñeiro / 2019 / Big (pig) data and the internet of the swine things: a new paradigm in the industry / Animal Frontiers 9(2):6~15
양가영 / 2018 / 영상정보에 의한 모돈의 분만징후 행동특성 분류 / 한국산학기술학회논문지 19(12):607~613
J. L. Barnett / 2001 / A review of the welfare issues for sows and piglets in relation to housing / Australian Journal of Agricultural Research 52(1):1~28
B. A. N. Silva / 2009 / Effects of dietary protein level and amino acid supplementation on performance of mixed-parity lactating sows in a tropical humid climate / Journal of Animal Science 87(12):4003~4012
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