CAJ | 학술논문

高温季节利用50％、60％、70％的全株玉米青贮全混合日粮饲养断奶羔羊，平均日增重分别达到274、264、271 g，经济效益以70％青贮组最好，可增收51．4～57．8元／只。经测定，轻钢结构羊舍对温度、湿度具有明显的调控作用，同时舍内CO2、NH3、H2 S等环境参数均低于国家NY／T388－1999《畜禽场环境质量标准》，说明此类型羊舍通风良好，达到了肉羊健康养殖的要求。
고온계절이용50％、60％、70％적전주옥미청저전혼합일량사양단내고양，평균일증중분별체도274、264、271 g，경제효익이70％청저조최호，가증수51．4～57．8원／지。경측정，경강결구양사대온도、습도구유명현적조공작용，동시사내CO2、NH3、H2 S등배경삼수균저우국가NY／T388－1999《축금장배경질량표준》，설명차류형양사통풍량호，체도료육양건강양식적요구。
The total mixed diets containing 50%, 60%or 70%of whole-plant corn silage were used to feed weaned lambs in high temperature season.Under this condition, the average daily gain of lambs reached to 274, 264 and 271 g respectively.The group with 70% corn silage had the best economic benefit, which could increase by 51.4~57.8 yuan per sheep.The light-steel structure barn had obvious regulating effects on its inner temperature and humidity, and the inner concentration of CO2 , NH3 , H2 S were all lower than the limits from the NY/T388 -1999 LIVESTOCK AND POULTRY FIELD ENVIRONMENT QUALITY STAN-DARDS.It suggested that this type barn had good ventilation and could meet the requirement of mutton sheep healthy breeding.