【作者】 丛林； 吴蒙； 张涛； 张爽； 娄玉杰；

【Author】 CONG Lin 1,WU Meng 2,ZHANG Tao 2,ZHANG Shuang 1,LOU Yu-jie 1*(1.College of Animal Science and Technology,Jilin Agricultural University,Changchun 130118,China.2.Snow-dragon Black Cattle Co.,Ltd.,Dalian,Liaoning 116000)

【机构】 吉林农业大学动物科学技术学院； 雪龙黑牛股份有限公司；

【摘要】 (目的)为了测定我国东北地区冬季大跨度肉牛舍内的环境指标,评价肉牛生长环境状况,(方法)试验于2011年11月份测定了辽宁省大连雪龙牧业集团肉牛舍的环境指标。(结果)结果表明:采用大跨度散栏式饲养形式的肉牛舍,每天采光时间为10h,平均光照强度为389.93Lx,,温度为7.07℃,湿度为64.31%,二氧化碳浓度为1239.91mg/m3,氨气浓度为5.49mg/m3。(结论)舍内各项环境指标参数均符合肉牛养殖卫生学标准,说明该类型肉牛舍环境较适宜肉牛的生产。更多还原

【Abstract】 (Objective)In order to determine environmental indicators of the large-span beef houses in the northwest of China during winter and evaluate the environmental conditions for the growth of beef cattle,(Method) the trial determined environmental indicators of beef houses of Snow-dragon Black Cattle Co.,Ltd.in November 2011.(Result) The results showed that:the daily lighting time was 10 h,the average light intensity was 389.93 Lx,the temperature was 7.07 ℃,the humidity was 64.31%,the concentration of carbon dioxide was 1239.91 mg/m3 and The concentration of ammonia gas was 5.49 mg/m3 by using large-span scattered-type feeding in beef houses.(Conclusion)All environmental indicators parameters in houses were in line with the hygiene standards for beef cattle feeding,which indicated that the type of beef houses is suitable for the production of beef cattle.更多还原