volume 39 issue 1 (january to june 2005) : 69· 72

STUDIES ON FACTORS AFFECTING CALVING INTERVAL IN TWO AND THREE BREED GIR CROSSES

O
O.K. Oeokar
S
S.T. Pachpute
V
V.S. Lawar
B
B.D. Naikare
1Department of Animal Science and Dairy Science. Mahatma Phule Krishi Vidyapeeth. Rahuri . 413 722. India
  • Submitted|

  • First Online |

  • doi

Cite article:- Oeokar O.K., Pachpute S.T., Lawar V.S., Naikare B.D. (2025). STUDIES ON FACTORS AFFECTING CALVING INTERVAL IN TWO AND THREE BREED GIR CROSSES. Indian Journal of Animal Research. 39(1): 69· 72. doi: .
A data on 2040 records of halfbreds (FG and JG) and three breed (FJG, JFG and BFG) Gir
crosses were collected and analysed by least-squares method. The genetic group, period and seasonof calving, parity, age and weight at first calving were considered as sources of variation. The overall least-squares means for calving interval of first five lactations and their pooled were
419.60±4.38, 401.89±7.02, 401.32±5.82, 400.62±8.16, 387.33±12.58 and 403.45±3.45
days, respectively. The calving interval of first five lactations were non-significantly affected by all
the sources of variation except genetic group effect (P
    1. Amin. M.M. etal. (1991). Indian Vet. J.. 68: 540-544.
    2. Harvey. w.R. (1991). U.S. Deptt. of Agriculture. ARS 20: 8.
    3. Jadhav, K.L. et aJ. (1991). Indian J. Dairy Sci.. 44: 209-216.
    4. Kramer, C.Y. (1957). Biometrics. 13: 13-20.
    5. Rao. M.R. and Nagarcenkar. R. (1980). Indian J. Anim. Sci.. 52: 129-138.
    6. Prabhukumar et al. (1991). Indian J. Anim. Sci., 61: 211-212.
    7. Reddy et aI. (1991). Indian J. Dairy Sci., 44: 247-248.
    8. Yadav, A.S. and Rathi. 5.5. (1992). Indian J. Dairy Sci., 45: 511-516.
    volume 39 issue 1 (january to june 2005) : 69· 72

    STUDIES ON FACTORS AFFECTING CALVING INTERVAL IN TWO AND THREE BREED GIR CROSSES

    O
    O.K. Oeokar
    S
    S.T. Pachpute
    V
    V.S. Lawar
    B
    B.D. Naikare
    1Department of Animal Science and Dairy Science. Mahatma Phule Krishi Vidyapeeth. Rahuri . 413 722. India
    • Submitted|

    • First Online |

    • doi

    Cite article:- Oeokar O.K., Pachpute S.T., Lawar V.S., Naikare B.D. (2025). STUDIES ON FACTORS AFFECTING CALVING INTERVAL IN TWO AND THREE BREED GIR CROSSES. Indian Journal of Animal Research. 39(1): 69· 72. doi: .
    A data on 2040 records of halfbreds (FG and JG) and three breed (FJG, JFG and BFG) Gir
    crosses were collected and analysed by least-squares method. The genetic group, period and seasonof calving, parity, age and weight at first calving were considered as sources of variation. The overall least-squares means for calving interval of first five lactations and their pooled were
    419.60±4.38, 401.89±7.02, 401.32±5.82, 400.62±8.16, 387.33±12.58 and 403.45±3.45
    days, respectively. The calving interval of first five lactations were non-significantly affected by all
    the sources of variation except genetic group effect (P
      1. Amin. M.M. etal. (1991). Indian Vet. J.. 68: 540-544.
      2. Harvey. w.R. (1991). U.S. Deptt. of Agriculture. ARS 20: 8.
      3. Jadhav, K.L. et aJ. (1991). Indian J. Dairy Sci.. 44: 209-216.
      4. Kramer, C.Y. (1957). Biometrics. 13: 13-20.
      5. Rao. M.R. and Nagarcenkar. R. (1980). Indian J. Anim. Sci.. 52: 129-138.
      6. Prabhukumar et al. (1991). Indian J. Anim. Sci., 61: 211-212.
      7. Reddy et aI. (1991). Indian J. Dairy Sci., 44: 247-248.
      8. Yadav, A.S. and Rathi. 5.5. (1992). Indian J. Dairy Sci., 45: 511-516.
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