IFS Animal Husbandry 2001
Paper-I

Section A
1. Write short notes on any four of the following in not more than 150 words
a. Dentition and its relationship with age in cattle
b. Role of volatile fatty acids in ruminant nutrition
c. Corpus Luteum and its functions
d. Repeatability estimates
e. Weaning of calves
2. Draw a labelled diagram of the reproductive system of a cow. Enumerate the functions of its various parts. Also discuss the role of various hormones responsible for its functioning
3.
a. How do we classify Indian sheep breeds? Give example of breed of each class
b. Why have we gone for cross breeding in sheep in India? Name the breed of choice for cross breeding in India
4. Describe
a. Embryo Transfer Technology
b. Priming in cows
c. Dehorning and Disbudding
d. Free martins and Crypt orchids

Section B
1. What are out breeding, out crossing, cross breeding and grading? What is Heterosis? Why have we gone for cross breeding in dairy cattle in India? Name the breed of choice being used for grading
2. Give the Protein, Energy and Fibre requirements of layer hens. Compute a complete ration for layer hens kept in cages. How much feed will be required for 5000 layer hens laying at the rate of for three months
3. Write short notes on any four of the following in not more than 150 words:
a. Piglet Anaemia
b. Good litter for poultry, its qualities
c. Role of Iron, Copper and Cobalt in ruminant nutrition.
d. Progeny Testing
e. Stomach of a cow, its structure and functions
4. A female calf was born on 15.5.1995. Alter growing; the animal came in first heat on 6.5. 1997. Again the animal showed symptoms of heat on 26.5. 1997 and was inseminated. Calving took place on 2.3. 1998 and remained in milk up to 20.12. 1998. In this period the animal was again inseminated on 8.6. 1998 and calved for the second time on 15.3. 1999. Determine (in days)
a. Age at puberty.
b. Age at first calving.
c. First gestation period.
d. Service period.
e. Lactation length.
f. Intercalving period.
g. Dry period.
h. Second gestation period