2020 Cattle Production Science(Northwest A&F University) 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-12-09到2021-03-31
本篇答案更新状态:已完结

【作业】Chapter one Introduction Unit homework

1、 问题:What is the development trend of cattle industry in the world？
评分规则: 【 5 points, 2 points per point
】

Chapter one Introduction Unit test

1、 问题:Compared with some monogastric animals such as pigs, horses and poultry, cattle have higher (   ).
选项：
A:digestibility
B:growth rate
C:disease incidence
D:mortality
答案: 【digestibility】

2、 问题:The animals with the highest feed conversion efficiency is （   ）.
选项：
A:dairy cow
B:beef cattle
C:sheep
D:pig
答案: 【dairy cow】

3、 问题:At present, (    ) is the first choice for developing dairy cattle all over the world.
选项：
A:Holstein
B:Jersey
C:Guernsey
D:Brown Swiss
答案: 【Holstein】

4、 问题:Development trend of cattle industry in the world （   ）。
选项：
A:Variety diversification of dairy cattle
B:Promotion and application of new technology
C:Miniaturization of beef cattle breeds
D:Cow breeds replace beef breeds
答案: 【Promotion and application of new technology】

【作业】Chapter two Cattle species and breeds Unit homework

1、 问题:What are the differences between Holstein and Jersey in appearance characteristics and production performance?
评分规则: 【 Description of appearance features: 2 points；differences in appearance characteristics and production performance: 3 points
】

Chapter two Cattle species and breeds Unit test

1、 问题:Limousin, a large meat variety, originated from (   ).
选项：
A:France
B:Netherlands
C:Italy
D:Germany
答案: 【France】

2、 问题:Among the following cattle breeds, those that belong to the dairy meat dual use type are (  ).
选项：
A:Holstein
B:simmental
C:Angus
D:charolais
答案: 【simmental】

3、 问题:The most obvious characteristics of Jersey is (     ).
选项：
A:High yield milk
B:High protein rate
C:High milk fat rate
D:High lactose rate
答案: 【High milk fat rate】

4、 问题:The breed without horns is (    ）.
选项：
A:Angus
B:Short horn
C:Ayrshire
D:Limousin
答案: 【Angus】

5、 问题:（    ）cattle are one of the top breeds in China.
选项：
A:Xingjiang Brongn
B:Qinchuan 
C:Chinese red steppe
D:Charolais
答案: 【Qinchuan 】

【作业】Chapter three Biological characteristics and physical appearance of cattle Unit homework

1、 问题:What are the conditions for the existence of anaerobic microorganisms in rumen?
评分规则: 【 2 points per point
】

Chapter three Biological characteristics and physical appearance of cattle Unit test

1、 问题:The nutritional reasons for the low milk fat rate is  (      ).
选项：
A:High roughage
B:Low roughage
C:High concentrate
D:Low concentrate
答案: 【Low roughage】

2、 问题:The esophageal groove  starts from the cardia and extends to the (       ) appetite.
选项：
A:rumen
B:abomasum
C:reticulum
D: reticulum and omasum
答案: 【 reticulum and omasum】

3、 问题:From the local view of beef cattle, the most important part related to meat production performance is (       ).
选项：
A:Head
B:rump
C:neck 
D:abdomen
答案: 【rump】

4、 问题:Well developed standard breast, connective tissue about (        ).
选项：
A:15-20%
B:20-25%
C:25-30%
D:30-35%
答案: 【20-25%】

5、 问题:From the whole point of view, the body shape of dairy cattle was (      ) from side, front and top.A. Prismatic B. square C. round D. wedge
选项：
A:Prismatic 
B:square
C: circular 
D:wedge
答案: 【wedge】

【作业】Chapter four Productivity of cattle and its evaluation method Unit homework

1、 问题:Factors affecting the performance of dairy cattle？
评分规则: 【 1 point for each point, 5 points in total.

请输入手机号或商家订单号

打不开请联系客服QQ 2356025045 商家订单号在哪里？点此了解

---

商家订单号查看步骤

打开支付宝

方法一：我的 > 账单 > 账单详情 > 更多>复制商家订单号

方法二：我的 > 账单 >搜索关键字【网课小帮手】
> 账单详情 > 更多>复制商家订单号

方法三：联系客服QQ 2356025045

微信支付

我 > 支付 > 钱包 > 账单 > 账单详情

手机号用于查询订单，请认真核对

支付宝