Class 12 Agriculture Dairy Farmer Chapter 3 Performing Hand and Machine Milking

Class 12 Agriculture Dairy Farmer Chapter 3 Performing Hand and Machine Milking Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters Class 12 Agriculture Dairy Farmer Chapter 3 Performing Hand and Machine Milking Question Answer and select need one. Class 12 Agriculture Dairy Farmer Chapter 3 Performing Hand and Machine Milking Notes Download PDF. AHSEC Class 12 Elective Agriculture Dairy Farmer Question Answer English Medium.

Class 12 Agriculture Dairy Farmer Chapter 3 Performing Hand and Machine Milking

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 12 Elective Agriculture Dairy Farmer Textual Solutions are part of All Subject Solutions. Here we have given AHSEC Class 12 Agriculture Dairy Farmer Textbook Solutions English Medium for All Chapters, You can practice these here.

Performing Hand and Machine Milking

Chapter: 3

SESSION 1: STRUCTURE OF THE UDDER, MILK LET-DOWN AND MILKING OF DAIRY ANIMALS

Check Your Progress

A. Multiple Choice Questions:

1. What kind of pressure is applied on the teat end in machine milking? 

(a) Positive pressure. 

(b) Negative pressure. 

(c) Both (a) and (b). 

(d) None of the above. 

Ans: (b) Negative pressure.

2. Milk must be stored in clean containers with the lid on and kept at what temperature? 

(a) −4 °C 

(b) 0 °C 

(c) 4 °C 

(d) 10 °C 

Ans: (c) 4 °C

3. Which of the following stimuli initiates milk let-down reflex in a dairy animal? 

(a) Washing the udder 

(b) Sight of a calf 

(c) Smell of a calf 

(d) All of the above 

Ans: (d) All of the above

4. Which of these ensure an efficient milking method? 

(a) Removal of maximum milk quantity. 

(b) Production of dirt-free milk.

(c) Efficient use of labour and equipment. 

(d) All of the above. 

Ans: (d) All of the above. 

5. Which of the following statements about knuckling is not true? 

(a) Fast milking method. 

(b) Milker bends the hand against the teat. 

(c) Chances of injury to the teats are high. 

(d) Faulty method of milking.

Ans: (a) Fast milking method.

B. Fill in the Blanks:

1. Mammary glands or udder is a modified _________ gland. 

Ans: Sweat.

2. Milk let-down is the result of a combination of neural and _____________ actions in the animal body. 

Ans: Hormonal.

3. Secretion of _____________ causes inhibition of milk ejection despite the release of oxytocin. 

Ans: Adrenalin.

4. Dairy animals are, usually, milked from the _______ side. 

Ans: Left.

5. The action of oxytocin only lasts for ___________ minutes because its concentration in the blood decreases rapidly.

Ans: Six to eight.

C. Mark ‘True’ or ‘False’:

1. Kicking can be eliminated, if a pregnant heifer is groomed and handled carefully. 

Ans: True.

2. The size of the two fore quarters is larger than the two hind quarters. 

Ans: False.

3. The basic principle of milking machine is to draw milk from a teat through the application of positive pressure at the teat end. 

Ans: False.

4. A loud noise or any kind of disturbance during milking can cause stress to animals, which may lead to reduced milk yield. 

Ans: True.

5. Teat dipping does not reduce an existing infection.

Ans: True.

D. Match the Columns:

A	B
1. Milker	(a) Buffalo milk
2. Milking shed	(b) Cow milk
3. Creamy white	(c) Anti-cow kicker
4. Yellowish	(d) Person who milks animals
5. Kicking	(e) Where milking is done

Ans:

A	B
1. Milker	(d) Person who milks animals
2. Milking shed	(e) Where milking is done
3. Creamy white	(a) Buffalo milk
4. Yellowish	(b) Cow milk
5. Kicking	(c) Anti-cow kicker

E. Crossword:

		1L					2S
							T
							R
		W	3S			4M
						I	P
5A		R		N			I	N
		M	A			K
			T				G

Across:

5. It is a hormone that inhibits milk let-down in cows and buffaloes.

Ans: Adrenalin.

Down:

1. Before milking, the udder and teats must be washed with ______________ water. 

Ans: Lukewarm.

2. ______________ milking method is preferred where the teats of an animal are small. 

Ans: Stripping.

3. Mammary glands or udder is a modified __________ gland. 

Ans: Sweat.

4. The primary goal of a dairy farm is to produce __________.

Ans: Milk.

SESSION 2: CLEAN MILK PRODUCTION AND PREVENTION OF MASTITIS IN DAIRY ANIMALS

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