Indian Journal of Animal Research

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Indian Journal of Animal Research, volume 42 issue 4 (december 2008) : 248-252

GENETIC AND NON-GENETIC FACTORS AFFECTING THE CARCASS CHARACTERISTICS OF JAPANESE QUAILS* (COTURNIX COTURNIX JAPONICA)

B. Punya Kumari1, B. Ramesh Gupta, A. Rajasekhar Reddy2, M. Gnana Prakash, K. Sudhakar Reddy3
1Department of Animal Genetics and Breeding, College of Veterinary Science, Rajendranagar, Hyderabad-500 030, India
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Cite article:- Kumari1 Punya B., Gupta Ramesh B., Reddy2 Rajasekhar A., Prakash Gnana M., Reddy3 Sudhakar K. (2024). GENETIC AND NON-GENETIC FACTORS AFFECTING THE CARCASS CHARACTERISTICS OF JAPANESE QUAILS* (COTURNIX COTURNIX JAPONICA). Indian Journal of Animal Research. 42(4): 248-252. doi: .
Data on 164 Japanese quails were utilized to study the effect of strains, hatches and sex of
chicks on pre-slaughter weight and weights of carcass after bleeding, dressed carcass, eviscerated
carcass, inedible and edible offals and various carcass cuts. The Black strain was superior to Brown
for all the characters except the breast weight. Significant hatch effect was observed for the preslaughter
weight, dressed weight, eviscerated carcass, inedible offals, heart and gizzard. The
sexual dimorphism was not evident for any of the characters studied, except pre-slaughter weight.
Majority of the carcass traits were medium to highly heritable.
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    10. Table 2. Estimates of heritabilities of carcass characteristics of Black and Brown Japanese quails
    11. Black Brown
    12. Males Females Males Females
    13. h2 SE h2 SE h2 SE h2 SE
    14. Pre-slaughter weight @ - -0.09 - 0.35 0.07 -0.07 -
    15. Dressed carcass weight 0.86 0.10 $ - $ - @ -
    16. Total Inedible offals : 0.58 0.10 0.86 0.11 0.78 0.08 0.05 0.11
    17. Head 0.26 0.09 0.84 0.11 0.71 0.08 $ -
    18. Skin with feathers 0.79 0.10 0.47 0.10 0.34 0.07 0.15 0.12
    19. Feet 0.55 0.10 $ - 0.99 0.09 $ -
    20. Total Giblets : @ - $ - @ - $ -
    21. Heart 0.72 0.10 0.05 0.09 $ - 0.01 0.11
    22. Liver 0.36 0.09 0.88 0.11 $ - $ -
    23. Gizzard @ - $ - $ - $ -
    24. Carcass cuts :
    25. Wings 0.33 0.09 $ - $ - $ -
    26. Neck $ - 0.31 0.09 $ - $ -
    27. Legs 0.44 0.09 0.49 0.10 $ - $ -
    28. Thighs 0.51 0.09 0.44 0.10 $ - $ -
    29. Drumsticks 0.24 0.09 0.44 0.10 $ - $ -
    30. Breast $ - 0.39 0.10 $ - $ -
    31. Back $ - @ - $ - $ -
    32. @ More than unity
    33. $ Not estimable due to negative component of sire variance
    34. 252 INDIAN JOURNAL OF ANIMAL RESEARCH
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