volume 35 issue 1 (january to june 2001) : 65 - 67
AGE AT FIRST CALVING EFFECT ON ECONOMIC TRAITS IN DEONI CATTLE OF MAHARASHTRA
1Department of Animal Husbandry and Dairying
Marathwada Agricultural University, Parbhani 431 402,lndia.
ABSTRACT
In the present study 544 lactations of 145 Deoni females were included. The data was divided into seven groups from G1 to G7 on the basis of age at first calving (AFC). Further the effect of AFC on milk yield (MY), service period (SP) and intercalving period (ICP) were studied. The overall (Least Squares Means) LSM for the effect of AFC on MY, SP and ICP in Deoni cattle were reported as 518.229 ± 22.437 kg, 286.572 ± 13.379 days and 566.109 ± 13.639 days, respectively. The effect of AFC on MY of group G2 and G3 was seen to be highly significant on other groups. Higher AFC in Deoni cattle lowered down the milk production considerably after G3. Whereas, the effect of AFC on SP and ICP was found to be non-significant in Deoni breed of cattle.
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Indian Journal of Animal Research
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