IAS Mains Animal Husbandry and Veterinary Science 2005
Paper-I
Section A

Write short notes on any three of the following in about 200 words each: (20 × 3 60)

Maintenance of Lactation in cows

Sources, functions and requirement of Vitamin ‘A’ in cattle

Factors affecting growth in buffaloes

Production of Deep Frozen Semen in cattle

Discuss hormonal control of mammary gland development in heifer with suitable sketch/diagram. Describe the importance of early growth rate on mammary gland development. What are the factors responsible for milk ejection in cows

What do you understand by balanced ration? How do we calculate nutrient requirements for a cow at three years of age, pregnant for six months and yielding 10 kg of milk with 4 fat? Suggest different types of green fodder crops to be grown in hot-humid climate of the country

How do we estimate nutrient requirement for meat and egg production in ‘chicken’ What is the difference between digestion of nutrients in chicken and pigs

Section B

Write short notes on any three of the following in about 200 words each: (20 × 3 60)

Differentiating points between mitosis and meiosis

Breeding for heterosis in chicken

Feeding regimes for bullocks during work and resting periods

Management of newly born calf

What do you understand by Hardy-Weinberg Law? Discuss different conditions to maintain Hardy-Weinberg equilibrium. Give a theoretical proof for Hardy-Weinberg Law

Discuss the methods of estimation of heritability. How does heritability differ from repeatability? Describe the method of testing preciseness of heritability. Uses of heritability may also be indicated

Discuss different methods of out breeding. What is the breeding policy for cattle being used in India? Write positive and negative points in relation to maintaining genetic diversity in cattle