[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fuVyYXi6_UQsPIZHJdJgC1cYsPs7ASGMenr6dN3nE60g":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":17,"related":18,"source":29,"type":30},[],"2026-04-26 12:00:01",319995132,[8,9,10,11,12],"眼肌面积","胴体重","宰后重","大腿肌肉厚","宰前活重",{"courseId":14,"courseImg":15,"courseName":16},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","代表牛的产肉性能,其越大产肉性能越好",[19,31,41,51,61,70,73,83,93,103],{"answer":20,"createTime":5,"id":21,"options":22,"question":28,"source":29,"type":30},[],319995127,[23,24,25,26,27],"13-15%","5-7 %","1-3%","8-10%","18-20%","山区建奶牛场,地面坡度一般( )为宜","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":40,"source":29,"type":30},[],319995128,[35,36,37,38,39],"能个别饲养","便于机械化管理","劳动生产率高","便于推行全混合日粮饲喂","可提高牛奶质量","拴系式牛舍的优点是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":50,"source":29,"type":30},[],319995129,[45,46,47,48,49],"加强运动","供足饮水","定期称重","定时喂料饮水","加强防疫","下列关于肥育牛的管理措施的叙述错误的是( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":60,"source":29,"type":30},[],319995130,[55,56,57,58,59],"出生至3个月龄生长受阻,难于补偿","公牛比母牛效果好","生长受阻时间一般在3个月内","进食量大补偿能力强","生长受阻时间最长不超过6个月较好","对补偿生长说法不正确的是( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":29,"type":30},[],319995131,[65,8,66,67,68],"饲料转化率","日增重","净肉率","屠宰率","不是肉牛生产性能计算指标的是( )",{"answer":71,"createTime":5,"id":6,"options":72,"question":17,"source":29,"type":30},[],[8,9,10,11,12],{"answer":74,"createTime":5,"id":75,"options":76,"question":82,"source":29,"type":30},[],319995133,[77,78,79,80,81],"盐碱地","沙土","以上都可以","粘土","沙壤土","对牛场土质的选择最理想的是( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":92,"source":29,"type":30},[],319995134,[87,88,89,90,91],"小犊牛白肉生产","直线肥育","成年牛肥育","小牛肉生产","吊架子肥育","淘汰乳用牛常采用的肥育方式是( )",{"answer":94,"createTime":5,"id":95,"options":96,"question":102,"source":29,"type":30},[],319995135,[97,98,99,100,101],"526","256","327","612","418","阉牛的肥育度指数以( )为最佳",{"answer":104,"createTime":5,"id":105,"options":106,"question":112,"source":29,"type":30},[],319995136,[107,108,109,110,111],"密闭式牛舍","拴系式牛舍","散放式牛舍","牛栏舍","牛棚舍","结构简单,造价低,适用于冬季不太寒冷的南方各省"]