Sardar Krushinagar Dantiwada Agricultural Uiversity 2010 Bachelor of Veterinary Science & Animal-Husbandary Semester End Practical - exam paper

Semester End Practical exam
AGB – 211(Old VCI)
Marks: 25


Q. 1. Estimate the repeatability for the litter size for sows by intra class correlation
method. Interpret the outcome. (5.0)

Estimates Sow-1 Sow-2 Sow-3 Sow-4 Sow-5
No. of obs. / Sow 4 4 4 4 4
Sum of X (SX) 14 26 20 23 29
Sum of X2 (SX2) 54 178 102 141 217

Q. 2. compute the Genetic and Phenotypic correlations ranging from birth weight (X) and
body length (Y) from the info provided below, considering K = 2.89. (5.0)

Source of variation Degree of freedom SSx SSy SCPxy
ranging from Sire 2 6.89 172.2 34.5
Within Sire 6 12 450 70

Q. 3. Rank the Kankrej cows on the basis of their MPPA values. Considering the
repeatability value as 0.5 and herd avg. as 4800 kg. (5.0)

Cows Lact. I Lact. II Lact. III
A 4800 5200 5100
B 5100 5250 5300
C 5300 4900 -

Q. 4. compute the sire indices of sire A from info provided beneath by Krishnan's
index method and Equiparental index method. Herd avg. is 3500 kg (3.0)

Sires Daughter's MY Dam's MY Regression (b) of daughter on dam
A 2500 3000 0.15
B 3400 3500 0.20

Q. 5. A. Viva (5.0)

B. Practical record (2.0)

Earning:   Approval pending.