集約飼養 的英文怎麼說
中文拼音 [jíyāosìyǎng]
集約飼養
英文
intensive feeding-
About 4, 000 - 7, 000 years ago, there had already been the agriculture race who settled down in the region of shen pond, they were engaged in the original agriculture of the knife farm material for new fire and various management activities, such as catching, hunting, collecting, feed the livestock etc., and had already spin cotton, weaving
約四千至七千年前，滇池一帶已有了定居的農業民族，從事「刀耕火種」的原始農業和捕撈狩獵採集飼養畜禽等多種經營活動，並已能紡紗織布。 2800年前，滇池周圍已進入了青銅器時代。Different animal raising system has different feed grain conversion ratio, and the usage of feed grain in different raising system is also different. the development and change of animal raising pattern will influence the feed grain demand
不同的的畜牧業生產方式下飼料轉化率不同，對飼料糧的使用情況也不同，農戶散養方式下使用的飼料糧較少，對飼料糧市場依賴不大，而集約經營方式受飼料糧市場的影響較大，專業戶養殖介於二者。About 19, 000 farms are designated as “ concentrated animal feeding operations ”, with more than 100, 000 hens, 700 dairy cows or 2, 500 pigs
大約一萬九千家禽養殖場被稱為「集中喂養動物作業」 （ 1 ） ，這些養殖場可飼養十萬只雞，七百頭奶牛或兩千五百頭豬。
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