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本课程起止时间为:2022-02-21到2022-05-31

【作业】Chapter 1 Overview of modern poultry industry Chapter 1 Homework

1、 问题:What are the characteristics of modern poultry production?
评分规则: 【 (1) Large-scale and intensive rearing system
(2) Improvement of automatic levels of rearing system
(3) Increasing of poultry production performance

2、 问题:To describe key technologies in mordern poultry industry in brief
评分规则: 【 (1) Hybrid system of multiple pure lines
(2) Feed industry system
(3) Poultry disease control system
(4) Improvement of poultry rearing equipment
(5) Poultry product sale system
(6) Scienctific management

3、 问题:To analyze disadvantages of small scale poultry farm as the majority of poultry industry?
评分规则: 【 (1) Poor management and old equipment decrease production performance
(2) Arbitrary behaviors in poultry rearing and management lead to food safety concern and environmental pollution
(3) Frequent change of the number of poultry causes product price fluctuation

Chapter 1 Overview of modern poultry industry Chapter 1 unit test

1、 问题:What is total yield of eggs of Hyline W36 from onset of egg production to 80 weeks of age?
选项:
A:15
B:22
C:13
D:25
答案: 【22

2、 问题:What is the feed conversion ratio of modern commercial laying breed? (    )
选项:
A:2.8:1
B:1.5:1
C:2:1
D:3.5:1
答案: 【2:1

3、 问题:How long does Arbor Acres grow to 2kg? (    )
选项:
A:35 days
B:28 days
C:42 days
D:49 days
答案: 【35 days

4、 问题:What is the feed conversion ratio of Arbor Acres achieving market weight?(       )
选项:
A:3.5:1
B:3:1
C:1.6:1
D:2:1
答案: 【1.6:1

5、 问题:What is the ratio of ducks reared in China accounting for total number in the world? (   )
选项:
A:over 60 %
B:over 20 %
C:over 40 %
D:over 80 %
答案: 【over 60 %

6、 问题:How many chickens were reared in China in 2017? (    )
选项:
A:8 billion
B:5 billion
C:6 billion
D:7 billion
答案: 【5 billion

7、 问题:Which country is not in top 3 for total number of chickens according to data from FAO stat? (          )
选项:
A:Indonesia
B:US
C:China
D:Brazil
答案: 【Brazil

8、 问题:What is average consumption of eggs per person every year in China? (    )
选项:
A:15 kg
B:12 kg
C:18 kg
D:23 kg
答案: 【18 kg

9、 问题:What is the proportion of poultry meat accounting for total meat consumption in China? (    )
选项:
A:21.6 %
B:64.9 %
C:8.3 %
D:5.2 %
答案: 【21.6 %

10、 问题:What is nutritional characteristics of eggs? (    )
选项:
A:high contents of protein
B:high concentration of energy
C:high contents of fat
D:nutrient balance
答案: 【nutrient balance

11、 问题:What is the rank of the number of laying hens reared in China in the world? (     )
选项:
A:1
B:5
C:2
D:3
答案: 【1

12、 问题:What is the rank of the number of broiler chickens reared in US in the world? (     )
选项:
A:3
B:2
C:1
D:5
答案: 【1

13、 问题:Which is the wrong description for the problems in Chinese poultry industry? (     )
选项:
A:genetic potential of breeds is not full utilized
B:despite of maintaining a large population, small scale poultry farms are the majority of poultry industry
C:rearing and managing levels need be improved
D:Export amount of eggs ranks No. 1 in the world
答案: 【Export amount of eggs ranks No. 1 in the world

14、 问题:Rational drug use is the most important for control of poultry diseases (     )
选项:
A:正确
B:错误
答案: 【错误

15、 问题:Modern poultry production has realized automatic supplies of feed and water, collection of eggs and removal of feces
选项:
A:正确
B:错误
答案: 【正确

16、 问题:Deep processing of poultry eggs and meat can increase the additional value of products (      )
选项:
A:正确
B:错误
答案: 【正确

17、 问题:Proteins in eggs is characterized as amino acid balance and have high digestibility among animal proteins (    )
选项:
A:正确
B:错误
答案: 【正确

18、 问题:China is a major country rearing poultry. Poultry industry contributes the most to GDP among all animal husbandry industries. (     )
选项:
A:正确
B:错误
答案: 【错误

Chapter 2 Poultry Biology Chapter 2 Unit test

1、 问题:What is the digestive organ that is known as “food crusher” ? (   )
选项:
A:crop
B:gizzard
C:proventriculus
D:liver
答案: 【gizzard

2、 问题:Which organ or anatomic structure do chickens not have? (    )
选项:
A:crop
B:urinary bladder
C:air sac
D:bursa of Fabricius
答案: 【urinary bladder

3、 问题:How many air sacs do chickens have? (     )
选项:
A:7
B:6
C:9
D:10
答案: 【9

4、 问题:Which organ have a function of food storage for a short time? (     )

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