Indian Journal of Animal Research

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Indian Journal of Animal Research, volume 39 issue 1 (january to june 2005) : 69· 72

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

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

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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: .

ABSTRACT

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

KEYWORDS

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