Paper-I
Section A

1.Write short notes on any four of the following in not more than 150 words each: (10 × 4 40)

a.Mineral requirement of a lactating cow

b.Synchronization of oestrus in a cow

c.Restricted selection index

d.Effect of photoperiod in poultry production

e.Economic poultry farming

2.What are the various systems of housing poultry in India? Describe their merits and demerits. Which system of poultry housing will you recommend to poultry farmers in India and why

3. What is heterosis and what is its genetic basis? How can heterosis be advantageously used in various methods of breeding

4.Discuss the requirements of proteins, amino acids, energy, minerals, trace elements, vitamins and water for fattening pigs

Section B

5.Write short notes on any four of the following in not more than 150 words each: (10 × 4 40)

a.Recombinant DNA technology

b.Management of dairy animals to overcome he heat stress

c.Inter-relationship of calcium, phosphorus and vitamin D

d.Milk ‘let-down’ and ‘holding-up’

e.Difference between ‘safes and’ cleaR'milk.

6.Write a brief note on the animal feed sources of the country. What strategy would you adopt for feeding of livestock under severe drought conditions so as to maintain the health of livestock

7.What is Inbreeding? How is coefficient of inbreeding calculated? Discuss the merits and demertis of inbreeding. How can you control inbreeding in existing artificial insemination programme? What constraints will you come across and how will you overcome those

8.Answer the following questions

a.Compare dairying under mixed farming and dairying under specialised farming. Which one of these is best suited to an average Indian farmer and why

b.What is herd recording