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light graze中文是什么意思

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  • Influence of fencing and light grazing on enclosed alpine steppes in the qinghai lake area
    圍欄內(nèi)禁牧與輕牧對高寒草原群落的影響
  • As a case study , the responses of leymus chinensis steppe of songnen plain in northeast of china to human being activity ( light grazing , middle grazing , heavy grazing and overgrazing ) were discussed based on the field observed data
    結(jié)果表明,隨著放牧強度的增加,羊草草原的植被蓋度和生物量隨之降低,優(yōu)勢羊草群落將逐漸被鹽生植物所替代,群落結(jié)構(gòu)趨于簡化,物種向旱生化和鹽生化演替。
  • The paper summarized the research for the effects of different grazing intensity on grazing behaviour , grazing grass species and productivity of sheep in recent years , the result showed that : there was a negative correlation between the live weight gain per sheep and the grazing intensity , but there was positive correlation between the live weight gain per hectare and the grazing intensity ; feeding intake of sheep decreased when the grazing intensity become heavier ; there was not significant effect of different grazing intensity on sheep breeding indexes ; as long with the grazing intensity become heavier , the feeding time of sheep increased while resting and idling time decreased , but feeding intake per hundred mouths and daily intake reduced while intake velocity increased ; sheep feeding adaptability is relative ; the light grazing was beneficial to promote mutton quality , but mutton quantity and gross economy benefit was low
    摘要根據(jù)近幾十年來放牧強度對綿羊放牧行為、采食植物組成和生產(chǎn)性能的影響進行了綜述,得出以下結(jié)論:綿羊的個體增重與放牧率之間呈線性負相關(guān),而公頃增重與放牧率之間呈正相關(guān);綿羊的采食量隨著放牧強度的加重而降低;放牧強度對母羊繁殖性能各指標(biāo)影響差異不顯著;隨著放牧強度的加重,綿羊的采食時間增加,游走、反芻臥息時間減少;每百口采食量和日采食量減少,而采食速度增加;放牧綿羊的嗜食性是相對的;輕牧有利于提高肉的品質(zhì),但是產(chǎn)肉量低,總的經(jīng)濟效益不高。
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