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volume 34 issue 2 (july to december 2000) : 100-103

CANONICAL CORRELATION ANALYSIS FOR STUDYING THE ASSOCIATION OF BREEDING EFFICIENCY AND BREEDING VALUES WITH GROWTH AND REPRODUCTIVE TRAITS OF MURRAH BUFFALOES·

P
Preeti Rachel Thomas
A
A.K. Chakravarty
1Dairy Cattle Breeding Division National Dairy Research Institute, Kamal-132001, India

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Cite article:- Thomas Rachel Preeti, Chakravarty A.K. (2025). CANONICAL CORRELATION ANALYSIS FOR STUDYING THE ASSOCIATION OF BREEDING EFFICIENCY AND BREEDING VALUES WITH GROWTH AND REPRODUCTIVE TRAITS OF MURRAH BUFFALOES·. Indian Journal of Animal Research. 34(2): 100-103. doi: .

ABSTRACT

Canonical correlation analysis (CCA) was used to study the simultaneous relationship among two sets of traits, i.e., criterion traits (Y-set) which included breeding efficiency (BE) along with breeding value (BV) of milk production and predictor traits (X-set) comprising of nine growth and reproductive traits of Murrah buffaloes. The estimated canonical correlation between the two canonical variates was found significant (P0.01). The estimation of canonical weights (CW) and canonical loadings (Cl) revealed that the body weights at 6 and 24 months of age and age at first calving were important with respect to breeding efficiency (BE) while the body weights of 12 and 18 months, first calving interval and service period were important with reference to breeding value (BV) of milk production in Murrah buffaloes. The redundancy coefficient indicaed that 47.69 per cent, of the total variability in the breeding efficiency and breeding value of milk production was explained by nine growth and reproduction traits of Murrah buffaloes.

KEYWORDS

    REFERENCES

    1. Anonymous.(1986l Statgraphics by Statistical Graphics Corporation, STSC, Inc.
    2. Jaiswal. U.C. et a/., (1995) Indian Anim. Sci. 65: 765-769.
    3. SobekZ. et a/., (1983) In: Proc 34th Annual Meeting of the EAAP, Madrid, Spain, 3-6
    4. October. PP. 146-147.
    5. Stewart, D.K. i1nd Love, W.A. (1968) Psych01. Bull 70 : 160 - 163.
    6. Thompson. B. (1984) Canonical correlation Analysis: Uses and in~erpretalion, Sage University Paper Series on Quantitative Application in the Social Science 07047. Beverly Hills, Sage Publications. PP. 1-71.
    7. Tucker, R.K. and Chase, L.J. (1980) Canonical correlation: Multivar'iate Techniques in Human Communication Research, Academic Press, New York pp.1- 28I.
    8. Zarnecki, A. et al. (1987) J, Anim. Breed Genet. 104 : 28-34.
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    Indian Journal of Animal Research
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      volume 34 issue 2 (july to december 2000) : 100-103

      CANONICAL CORRELATION ANALYSIS FOR STUDYING THE ASSOCIATION OF BREEDING EFFICIENCY AND BREEDING VALUES WITH GROWTH AND REPRODUCTIVE TRAITS OF MURRAH BUFFALOES·

      P
      Preeti Rachel Thomas
      A
      A.K. Chakravarty
      1Dairy Cattle Breeding Division National Dairy Research Institute, Kamal-132001, India

      • Submitted|

      • First Online |

      • doi

      Cite article:- Thomas Rachel Preeti, Chakravarty A.K. (2025). CANONICAL CORRELATION ANALYSIS FOR STUDYING THE ASSOCIATION OF BREEDING EFFICIENCY AND BREEDING VALUES WITH GROWTH AND REPRODUCTIVE TRAITS OF MURRAH BUFFALOES·. Indian Journal of Animal Research. 34(2): 100-103. doi: .

      ABSTRACT

      Canonical correlation analysis (CCA) was used to study the simultaneous relationship among two sets of traits, i.e., criterion traits (Y-set) which included breeding efficiency (BE) along with breeding value (BV) of milk production and predictor traits (X-set) comprising of nine growth and reproductive traits of Murrah buffaloes. The estimated canonical correlation between the two canonical variates was found significant (P0.01). The estimation of canonical weights (CW) and canonical loadings (Cl) revealed that the body weights at 6 and 24 months of age and age at first calving were important with respect to breeding efficiency (BE) while the body weights of 12 and 18 months, first calving interval and service period were important with reference to breeding value (BV) of milk production in Murrah buffaloes. The redundancy coefficient indicaed that 47.69 per cent, of the total variability in the breeding efficiency and breeding value of milk production was explained by nine growth and reproduction traits of Murrah buffaloes.

      KEYWORDS

        REFERENCES

        1. Anonymous.(1986l Statgraphics by Statistical Graphics Corporation, STSC, Inc.
        2. Jaiswal. U.C. et a/., (1995) Indian Anim. Sci. 65: 765-769.
        3. SobekZ. et a/., (1983) In: Proc 34th Annual Meeting of the EAAP, Madrid, Spain, 3-6
        4. October. PP. 146-147.
        5. Stewart, D.K. i1nd Love, W.A. (1968) Psych01. Bull 70 : 160 - 163.
        6. Thompson. B. (1984) Canonical correlation Analysis: Uses and in~erpretalion, Sage University Paper Series on Quantitative Application in the Social Science 07047. Beverly Hills, Sage Publications. PP. 1-71.
        7. Tucker, R.K. and Chase, L.J. (1980) Canonical correlation: Multivar'iate Techniques in Human Communication Research, Academic Press, New York pp.1- 28I.
        8. Zarnecki, A. et al. (1987) J, Anim. Breed Genet. 104 : 28-34.
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