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一、试区概况杭州市郊某养鸡场三面环山,地形地貌较复杂,结合该场环境特点,共选择6,940M~2作为本次试验范围。其中鸡房面积为4,500M~2(年产鸡16万余只),养鸭房面积为1,170M~2(年养鸭2万余只),猪舍面积为
First, the pilot area Overview Hangzhou suburb of a chicken farm surrounded by mountains, topography is more complex, with the characteristics of the environment, a total of 6,940M ~ 2 as the scope of this test. Including chicken room area of 4,500 M ~ 2 (with an annual output of more than 160,000 chickens), duck house area of 1,170 M ~ 2 (Duck 2 million), pigs area