chapter one introductionunit test1、compared with some monogastric animals such as pigs, horses and poultry, cattle have higher ( ).
a、digestibility
b、growth rate
c、disease incidence
d、mortality
2、the animals with the highest feed conversion efficiency is （ ）.
a、dairy cow
b、beef cattle
c、sheep
d、pig
3、at present, ( ) is the first choice for developing dairy cattle all over the world.
a、holstein
b、jersey
c、guernsey
d、brown swiss
4、development trend of cattle industry in the world （ ）。
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
unit homework1、what is the development trend of cattle industry in the world？
chapter two cattle species and breedsunit test1、limousin, a large meat variety, originated from ( ).
a、france
b、netherlands
c、italy
d、germany
2、among the following cattle breeds, those that belong to the dairy meat dual use type are ( ).
a、holstein
b、simmental
c、angus
d、charolais
3、the most obvious characteristics of jersey is ( ).
a、high yield milk
b、high protein rate
c、high milk fat rate
d、high lactose rate
4、the breed without horns is ( ）.
a、angus
b、short horn
c、ayrshire
d、limousin
5、（ ）cattle are one of the top breeds in china.
a、xingjiang brongn
b、qinchuan
c、chinese red steppe
d、charolais
unit homework1、what are the differences between holstein and jersey in appearance characteristics and production performance?
chapter three biological characteristics and physical appearance of cattleunit test1、the nutritional reasons for the low milk fat rate is ( ).
a、high roughage
b、low roughage
c、high concentrate
d、low concentrate
2、the esophageal groove starts from the cardia and extends to the ( ) appetite.
a、rumen
b、abomasum
c、reticulum
d、reticulum and omasum
3、from the local view of beef cattle, the most important part related to meat production performance is ( ).
a、head
b、rump
c、neck
d、abdomen
4、well developed standard breast, connective tissue about ( ).
a、15-20%
b、20-25%
c、25-30%
d、30-35%
5、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
a、prismatic
b、square
c、circular
d、wedge
unit homework1、what are the conditions for the existence of anaerobic microorganisms in rumen?
chapter four productivity of cattle and its evaluation methodunit test1、under good feeding conditions, cattle are prone to accumulate a large amount of ( ) at 24 months old.
a、protein
b、carbohydrate
c、fat
d、connective tissue
2、the principle of measuring tenderness of beef with tenderness meter is to measure muscle fiber ( ).
a、viscous resistance
b、shear resistance
c、elastic resistance
d、tensile resistance
3、the important substance for the special flavor of beef is ( ) in beef.
a、benzoic acid
b、pyruvate
c、fatty acid
d、amino acid
4、standard milk, also known as milk fat correction milk (fcm), has a milk fat ratio of ( ).
a、4.5%
b、4.0%
c、3.5%
d、3.0%
unit homework1、factors affecting the performance of dairy cattle？
2、factors affecting the performance of beef cattle？
chapter five genetic breeding of cattleunit test1、（ ）which is a method to improve the quality and production performance of cattle through selection, selection and cultivation in a cattle breed.
a、hybrid breeding
b、moet
c、molecular breeding
d、breeding of this variety
2、cross breeding is an effective way to create new varieties through ( ) varities.
a、two
b、three
c、three or more than three
d、two or more than two
unit homework1、what are the advantages of using moet breeding system?
chapter sixunit test1、in modern dairy production, the first mating age of the cow is ( ) months
a、12
b、14
c、16
d、18
2、the pregnancy period is about ( ) days.
a、270
b、280
c、290
d、300
3、the ideal calving interval for a cow is （ ）。
a、half a year
b、one year
c、one and a half years
d、two years
uint homework1、factors affecting the fertility of cattle?
chapter sevenunit test1、the feed with the content of crude fiber above ( ) in dry matter belongs to crude feed.
a、5%
b、10%
c、18%
d、25%
2、energy feed refers to the feed with crude fiber content less than ( ) in dry matter, crude protein content less than 20%, and digestive energy more than 10.46mj/kg.
a、5%
b、10%
c、18%
d、25%
3、commonly used feed for cattle includes ( ).
a、feed additive
b、vitamin feed
c、protein feed
d、roughage
4、mineral feed generally refers to the feed provided ( ) for cattle.
a、salt
b、calcium source
c、phosphorus source
d、vitamin
unit homework1、how to effectively use local forage resources？
chapter nine feeding management of beef cattleunit test1、the criteria for fattening cattle are mainly as follow ( ).
a、body condition
b、the chest
c、body height
d、body length
2、as the cattle grow, they need to add （ ） to their feed.
a、energy
b、protein
c、mineral
d、vitamin
3、under good feeding conditions, cattle tend to accumulate large amounts of ( ) at 24 months of age.
a、protein
b、carbohydrate
c、fat
d、connective tissue
4、one of the most important vitamins that bulls need to produce sperm is vitamin ( ).
a、d
b、k
c、e
d、a
unit homework1、brief introduction of the influence on the quality of high-grade beef?
chapter ten health care and disease control of cattleunit test1、the monitoring and control of epidemic diseases should follow the principle of ( ).
a、prevention first
b、treatment first
c、self breeding
d、scientific rearing
2、（ ）is the main means to prevent and treat infectious diseases, and the only way to transform susceptible animals into non susceptible ones.
a、immunization
b、monitor
c、epidemic prevention
d、treatment
unit homework1、what are the contents of perinatal health care for cattle?
final examfinal exam: part 11、limousin cattle, a large meat breed, originated from （ ）.
a、france
b、netherlands
c、italy
d、germany
2、from the local point of view of beef cattle, the most important part related to meat production performance is ( ).
a、leg
b、rump
c、neck
d、abdomen
3、standard milk is also called milk fat correction milk (fcm). its milk fat percentage is ( ).
a、4.5%
b、4.0%
c、3.5%
d、3.0%
4、in the internal structure of the well-developed standard breast, the glandular tissue accounts for about ( ).
a、65-70%
b、70-75%
c、75-80%
d、80-85%
5、in order to give full play to the productivity and production performance of cattle, what needs to be developed as soon as possible and fully developed is the ( ) of cattle.
a、rumen
b、reticular stomach
c、valvular stomach
d、true stomach
6、in modern dairy production, the first mating age of cows is ( ) months.
a、24—30
b、18—24
c、14—16
d、12—14
7、( ) is from the breast along the lower abdomen through the milk well to the chest, converging the intrathoracic vein and entering the heart, divided into the left and right two.
a、mammary vein
b、thoracic vein
c、mammary artery
d、thoracic artery
8、the rhinoscope of cattle is moist due to the secretion of nasolabial glands. from the essence of gland secretion, it belongs to ( ).
a、salivary gland
b、skin gland
c、thyroid gland
d、pineal gland
9、the parity with the highest average milk yield of holstein cow is ( ).
a、first
b、third
c、fifth
d、seventh
10、in order to ensure a certain energy and nutrient concentration, there should be more ( ) in the diet of high-yield dairy cows.
a、concentrate feed
b、roughage
c、mineral matter
d、vitamins
11、the per capita share of beef in china ranks first in the world.
12、the carcass weight of chinese beef cattle is at a low level in the world.
13、the compound rumen of cattle includes rumen, reticulum, flap and abomasum.
14、charolais cattle are white or milky white.
15、the shape of the cow is rectangular and the shape of the beef cow is inverted trapezoid.
16、simmental cattle are mostly yellow and white flowers, and they are large breeds for milk-meat and meat-milk.
17、the milk yield of dairy cows is related to age and parity, the older the age, the higher the milk yield.
18、the milk yield of dairy cows is restricted by its genetic basis, that is, lactation potential, which is the premise of creating high-yield dairy cows.
19、the teeth of cattle are divided into deciduous teeth and permanent teeth.
20、homogenous selection: bulls and cows with the same performance and excellent breeding values were selected to mate in order to obtain excellent offspring with similar quality to their parents.
21、the hybrid offspring of yak and common cattle is called ( ).
22、tmr means ( ), the use of tmr technology can improve the milk production performance of dairy cows。
23、at the age of 2 years, the ( ) pair of deciduous incisors was replaced by permanent teeth.
24、the five major improved breeds of yellow cattle in china include ( ), nanyang, luxi, yanbian and jinnan.
25、chinese grassland red cattle was bred by crossing ( ) with mongolian cattle.
26、the calves should pay attention to the health of lactation and they must be fixed time, quantity and ( ).
27、the gestational period of a cow is about ( )days
28、the dry milk methods of dairy cattle mainly include quick dry milk method and ( ).
29、the cellulose in the feed gradually decomposes in the rumen and finally produces volatile fatty acids, which are mainly ( ), propionic acid, butyric acid and a small amount of higher fatty acids
30、it is said that ( ) is the most widely distributed dairy cattle breed with the highest milk yield and the largest number of dairy cattle in the world
final exam: part 21、briefly describe the significance of adopting tmr?
2、what is the dry period? why dry milk for cows? how to proceed?
3、the important position of cattle industry in china's national economy?
final examfinal exam: part 11、limousin cattle, a large meat breed, originated from （ ）.
a、france
b、netherlands
c、italy
d、germany
2、from the local point of view of beef cattle, the most important part related to meat production performance is ( ).
a、leg
b、rump
c、neck
d、abdomen
3、standard milk is also called milk fat correction milk (fcm). its milk fat percentage is ( ).
a、4.5%
b、4.0%
c、3.5%
d、3.0%
4、in the internal structure of the well-developed standard breast, the glandular tissue accounts for about ( ).
a、65-70%
b、70-75%
c、75-80%
d、80-85%
5、in order to give full play to the productivity and production performance of cattle, what needs to be developed as soon as possible and fully developed is the ( ) of cattle.
a、rumen
b、reticular stomach
c、valvular stomach
d、true stomach
6、in modern dairy production, the first mating age of cows is ( ) months.
a、24—30
b、18—24
c、14—16
d、12—14
7、( ) is from the breast along the lower abdomen through the milk well to the chest, converging the intrathoracic vein and entering the heart, divided into the left and right two.
a、mammary vein
b、thoracic vein
c、mammary artery
d、thoracic artery
8、the rhinoscope of cattle is moist due to the secretion of nasolabial glands. from the essence of gland secretion, it belongs to ( ).
a、salivary gland
b、skin gland
c、thyroid gland
d、pineal gland
9、the parity with the highest average milk yield of holstein cow is ( ).
a、first
b、third
c、fifth
d、seventh
10、in order to ensure a certain energy and nutrient concentration, there should be more ( ) in the diet of high-yield dairy cows.
a、concentrate feed
b、roughage
c、mineral matter
d、vitamins
11、the per capita share of beef in china ranks first in the world.
12、the carcass weight of chinese beef cattle is at a low level in the world.
13、the compound rumen of cattle includes rumen, reticulum, flap and abomasum.
14、charolais cattle are white or milky white.
15、the shape of the cow is rectangular and the shape of the beef cow is inverted trapezoid.
16、simmental cattle are mostly yellow and white flowers, and they are large breeds for milk-meat and meat-milk.
17、the milk yield of dairy cows is related to age and parity, the older the age, the higher the milk yield.
18、the milk yield of dairy cows is restricted by its genetic basis, that is, lactation potential, which is the premise of creating high-yield dairy cows.
19、the teeth of cattle are divided into deciduous teeth and permanent teeth.
20、homogenous selection: bulls and cows with the same performance and excellent breeding values were selected to mate in order to obtain excellent offspring with similar quality to their parents.
21、the hybrid offspring of yak and common cattle is called ( ).
22、tmr means ( ), the use of tmr technology can improve the milk production performance of dairy cows。
23、at the age of 2 years, the ( ) pair of deciduous incisors was replaced by permanent teeth.
24、the five major improved breeds of yellow cattle in china include ( ), nanyang, luxi, yanbian and jinnan.
25、chinese grassland red cattle was bred by crossing ( ) with mongolian cattle.
26、the calves should pay attention to the health of lactation and they must be fixed time, quantity and ( ).
27、the gestational period of a cow is about ( )days
28、the dry milk methods of dairy cattle mainly include quick dry milk method and ( ).
29、the cellulose in the feed gradually decomposes in the rumen and finally produces volatile fatty acids, which are mainly ( ), propionic acid, butyric acid and a small amount of higher fatty acids
30、it is said that ( ) is the most widely distributed dairy cattle breed with the highest milk yield and the largest number of dairy cattle in the world
final exam: part 21、briefly describe the significance of adopting tmr?
2、what is the dry period? why dry milk for cows? how to proceed?
3、the important position of cattle industry in china's national economy?
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