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논문 기본 정보

자료유형
학술저널
저자정보
Lim, Dong-Hyun (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Kim, Tae-Il (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Kim, Hyun-Jong (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Kim, Sang-Beom (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Park, Seong-Min (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Park, Ji-Hoo (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Ha, Seong-Min (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Lee, Ji-Hwan (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Lim, Hyun-Joo (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Jeong, Ha-Yeon (Dairy Science Division, National Institute of Animal Science, Rural Development Administration) Mayakrishnan, Vijayakumar (Dairy Science Division, Nation)
저널정보
한국초지조사료학회 한국초지조사료학회지 한국초지조사료학회지 제38권 제4호
발행연도
2018.1
수록면
343 - 348 (6page)

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In this study, the effect of daily short-distance walking exercise on milk production and metabolic status of the lactating dairy cows was investigated. The experiment was conducted with 10 lactating dairy cows comprising 2 groups (5 dairy cows/group), which were walking activity and non-walking activity. The walking activity (WA) group lactating dairy cows walked outdoors for 1 km/d, and the non-walking activity (non-WA) lactating dairy cows were maintained within a cowshed from $18^{th}$ April to $30^{th}$ May. The activity volume of the neck was not significantly different between the groups, but the activity volume of the leg was higher in WA group compared with non-WA (p<0.05). The rectal temperature was higher in the WA group ($38.6^{\circ}C$) compared with non-WA ($38.2^{\circ}C$) (p<0.05). No significant differences in dietary NE intake, milk production and milk composition were found between the groups. The plasma cortisol concentration was higher in WA group ($2.14{\mu}g/dl$) compared to non-WA ($0.95{\mu}g/dl$) (p<0.05). However, plasma cortisol level of WA dairy cows was significantly decreased as compared with non-WA cows. On the contrary, the level of plasma melatonin was increased in WA cows than that of non-WA dairy cows. It may be interpreted as a change in physical fitness. From this study, we suggest that walking activity can be improved energy balance. Further investigation is needed to determine whether different combinations of distance, rate or doing in morning or afternoon will stimulate energy balance.
#Dairy cow #Walking activity #Milk production #Metabolic status

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참고문헌 (24)

참고문헌 신청
Agricultural Research Council(ARC) / 1980 / The nutrient requirements of ruminant livestock: Technical review by an Agricultural Research Council working party :351 google schola Anderson, M. J. / 1979 / Effect of prepartum exercise on feed intake and milk production of multiparous cows / J Dairy Sci 62:1420~1423 google schola Blake, J. T. / 1982 / Attaining and measuring physical fitness in dairy cattle / J. Dairy Sci 65:1544~1555 google schola Clapperton, J. L. / 1964 / The effect of walking upon the utilization of food by sheep / Brit. J. Nutr 18:39~46 google schola Commonwealth Scientific. / 1990 / Feeding Systems for Australian Livestock: Ruminants / CSlRO Publications google schola

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