SECTION-A

Q. I.Write short notes on the following in about 150 words each 8X5=40
Q Oestrus.cycle 8
Q.l(b) Starch equivalent
Q Species hybridization 8
Q. Colostrum feeding
Q. Traits of economic importance in cattle 8
Q.2(a) What is cold stress Discuss in brief the factors affecting an animal's ·ability to with stand. 10

Q.2(b) Enumerate the key managemental factors to limit 'the effects of cold stress. 15

Q. What is parturition Write in detail the hormonal control of parturition.
Q. What are feed additives Give the classification of feed additives and discuss their
usefulness in livestock and poultry feeding. 15
Q. How do·you classify minerals What general vital roles do they play in animal system? 15
Q. What is gross energy? Give the schematic representation of partitioning of gross energy
of feed in animal body.
Q.4(a) Define selection. Discuss different methods of selection. Which method do you consider

Q. What is genetic response Discuss the factors affecting genetic response. 10
Q. Define intensity of selection. Enlist various factors µetermining the intensity of selection. 10


SECTION-8
Q. 5. Compare and contrast between the followi..g in ab..ut 150 words each 8X5=40


Q. Digestible energy and metabolizable. energy. 8

Q. Gross staggers and blind staggers.
Q. Genetic environment interaction and genetic environment correlation. 8

Q.
Translocation and Inversion. 8
Q. Genetic combining ability and specific combining Jbility.
Q. How will you prepare to prevent mortality and rriorbidity in livestock during natural calamities and rehabilitation thereafter 20

Q. Prepare a layout for model dairy farm with 10 lactadng cows. How would it be different for 20 lactating goats 10

Q. How can you improve reproductive efficiency of buffaloes at at a commercial farm during summer season 10

Q. What do you mean by feeding standards? Classify the feeding standards. Discuss in brief the present day feeding standards. 20

Q.7(b) Write in brief the feeding of newborn calf from birth to 3 mont..s age. 10
Q.7(c) A feed contains 80% digestible organic matter and digestible ..ther extract. Calculate the Total Digestible Nutrients content of that: feed. 10


Q.8(a) Define 'Hardy-Weinberg Law;. Discuss the forces resp..:msible for ch1nging gene frequency. 15
Q. Explain the 'Law of Independent assortment' in dihrbrid crosses.How it has deviated from Mendelian Genetics ?15
Q. What are chromosomal aberrations Give the most common aberrations observed in animals. 10