Energy cost of the activities of grazing cows, effect of plot size

机译：放牧牛活动的能量成本，地块大小的影响

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The energy expenditure and energy cost of activities of grazing beef cows were determined (by using the heart-rate method and GPS collars with motion sensors) on different size plots on Mediterranean foothill herbaceous rangeland, in three seasons. In winter plot size had no effect on the time spent on each activity or on the energy cost of these activities. In the summer, however, when the herbage was dry, cows on large plots grazed longer and expended more energy on grazing activity. It is suggested that on larger plots cows could select herbage of better quality than when grazing smaller plots.

机译：在三个季节中，在地中海山麓草质牧场的不同面积样地上，确定了放牧肉牛活动的能量消耗和能量成本（通过使用心率方法和带运动传感器的GPS项圈）。在冬季，样地的大小不会影响每个活动所花费的时间或这些活动的能源成本。然而，在夏天，当牧草变干时，大片土地上的奶牛放牧时间更长，放牧活动的能量更多。建议在较大的地块上，母牛可以选择质量比放牧较小的地块更好的牧草。

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来源
《International Symposium on the Nutrition of Herbivores(ISNH-7); 20070917-22; Beijing(CN)》|2007年|P.784-789|共6页
会议地点 Beijing(CN)
作者
A. Brosh; Z. Henkin; E.D. Ungar; A. Dolev; A. Orlov; Y. Yehuda; A. Shabtay; Y. Aharoni;
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作者单位

Beef Cattle Section, ARO, Newe Yaar Center, Israel;

Beef Cattle Section, ARO, Newe Yaar Center, Israel;

Department of Natural Resources, ARO, Israel;

MIGAL - Technological Center Israel, Newe-Ya'ar Research Center P.O. Box 1021, Ramat Yishay, 30-095, Israel;

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原文格式 PDF
正文语种 eng
中图分类动物医学（兽医学）;
关键词
grazing cattle; activity; energy cost; Global Positioning System; heart rate; plot size;

机译：放牧牛；活动；能源成本；全球定位系统；心率；地块大小;

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专利

1. Energy cost of activities and locomotion of grazing cows: A repeated study in larger plots1 [J] . A Brosh Z Henkin E D Ungar A Dolev A Shabtay A Orlov Y Yehuda Y Aharoni Journal of Animal Science . 2010,第1期

机译：放牧奶牛活动和运动的能量成本：在较大地块中的重复研究1
2. Energy cost of activities and locomotion of grazing cows: A repeated study in larger plots. [J] . Brosh A., Henkin Z., Ungar E.D., Journal of Animal Science . 2010,第1期

机译：放牧奶牛活动和运动的能量成本：在较大地块中的重复研究。
3. Energy cost of activities and locomotion of grazing cows: A repeated study in larger plots [J] . Aharoni?Y. Journal of animal science . 2010,第1期

机译：放牧奶牛活动和运动的能量成本：在较大地块中的重复研究
4. Use of the heart rate method and GPS for direct field estimation of the energy cost of cow grazing activity: effects of season and plot size [C] . A. Brosh, Z. Henkin, E.D. Ungar, International Symposium on Energy and Protein Metabolism and Nutrition . 2007

机译：心率法和GPS的使用直接现场估算牛放牧活动能源成本：季节和绘图尺寸的影响
5. An evaluation of supplementation strategies throughout the grazing season on performance of management intensively grazed lactating Holstein cows. [D] . Whyte, Tammy Dawn. 2002

机译：在整个放牧季节对强化放牧的泌乳荷斯坦奶牛的生长表现进行评估。
6. The influence of beef cow weaning weight ratio and cow size on winter grazing and supplement intake behavior [O] . Alyson R Williams, Samuel A Wyffels, Cory T Parsons, 2018

机译：肉牛断奶体重比和母牛体型对冬季放牧和补充采食行为的影响
7. Energy cost of the activities of grazing cows, effect of plot size [O] . A. Brosh, Z. Henkin, E. Ungar, 2007

机译：放牧奶牛活动的能源成本，情节尺寸的影响

Energy cost of the activities of grazing cows, effect of plot size

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