[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fi9zTmWT7XVouaPzH8iYaPkQzVNYZ2RAMCLmdIfAxitY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":24,"type":25},[],"2025-09-09 07:13:25",215960487,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},13,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","13fec51e27ca443993b619cdb7072988","8.3 Cattle Breeding and Mating Test Questions","When choosing a breeding bull, there is no need to consider milk production",[19,26,31,36,41,46,51,56,61,66],{"answer":20,"createTime":5,"id":21,"options":22,"question":23,"source":24,"type":25},[],215960478,[8,9],"The purpose of selection and mating is not to make improvements for the present generation, but to expect a certain degree of improvement in the herd of offspring","v1",3,{"answer":27,"createTime":5,"id":28,"options":29,"question":30,"source":24,"type":25},[],215960479,[8,9],"Cows are of a higher grade than bulls",{"answer":32,"createTime":5,"id":33,"options":34,"question":35,"source":24,"type":25},[],215960480,[8,9],"Bulls are of a higher grade than cows",{"answer":37,"createTime":5,"id":38,"options":39,"question":40,"source":24,"type":25},[],215960481,[8,9],"For general cattle herds, the number of inbred lines should be kept below 4%",{"answer":42,"createTime":5,"id":43,"options":44,"question":45,"source":24,"type":25},[],215960482,[8,9],"When mating, if the cow has many defects, choose to improve the primary trait first. If multiple defects are improved at once, it will reduce the selection difference, slow down the genetic improvement rate, and fail to achieve the expected improvement of the herd",{"answer":47,"createTime":5,"id":48,"options":49,"question":50,"source":24,"type":25},[],215960483,[8,9],"When mating, if the cow has many defects, multiple defects should be improved at once to achieve the desired effect as soon as possible",{"answer":52,"createTime":5,"id":53,"options":54,"question":55,"source":24,"type":25},[],215960484,[8,9],"When assessing the appearance of a male or female cow, if there is one obvious physical defect in the breast, limbs or body, it cannot be rated as a special grade",{"answer":57,"createTime":5,"id":58,"options":59,"question":60,"source":24,"type":25},[],215960485,[8,9],"For breeding cows, the focus is on lactation performance, the reproductive capacity of the maternal and paternal cows, longevity, and resistance to certain diseases",{"answer":62,"createTime":5,"id":63,"options":64,"question":65,"source":24,"type":25},[],215960486,[8,9],"When assessing the appearance of a cow, look at the whole first, then the parts, and finally score the whole",{"answer":67,"createTime":5,"id":6,"options":68,"question":17,"source":24,"type":25},[],[8,9]]