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Vol. 10, Special Issue 12 (2021)

Effect of non-genetic factors on age at first calving in Gir cattle

Author(s):
KB Savalia, AR Ahlawat, MD Odedra, AD Verma and HH Savsani
Abstract:
The present study was carried out using data of first lactation records of 513 Gir cows sired by 75 bulls spread over a period of 34 years (1981 to 2014), maintained at Cattle Breeding Farm, Junagadh Agricultural University, Junagadh. Analysis was carried out by least squares analysis method described by Harvey (1966) and Duncan’s new multiple range test as modified by Kramer. The overall least squares means for age at first calving (AFC) was 1558.63 ± 23.30 days. Season of birth had non-significant effect on AFC while period of birth had highly significant (P< 0.01) effect on AFC.
Pages: 500-503  |  315 Views  118 Downloads
How to cite this article:
KB Savalia, AR Ahlawat, MD Odedra, AD Verma and HH Savsani. Effect of non-genetic factors on age at first calving in Gir cattle. The Pharma Innovation Journal. 2021; 10(12S): 500-503.

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