48-Title: Appraisal of conception rate in AI bred cattle in rural areas of Rajasthan
Authors: Santosh Bansal, Barkha Gupta, Raviraj Jadhav, Vinod Potdar and Anuj Dixit
Source: Ruminant Science (2022)-11(2):497-502.
How to cite this manuscript: Bansal Santosh, Gupta Barkha, Jadhav Raviraj, Potdar Vinod and Dixit Anuj (2022). Appraisal of conception rate in AI bred cattle in rural areas of Rajasthan. Ruminant Science 11(2):497-502.
Abstract
A study was performed for a period of approx. 4 years (2018 to 2021) at various BAIF cattle development centres (CDC) in five districts of Rajasthan state to evaluate the effects of genetic and environmental factors on conception rate with 7414 cows of four breeds. The objective of this study was to evaluate the potential factors affecting the conception rate in artificially inseminated cattle under field conditions/ farmer’s situation of Rajasthan state so that effective delivery of A.I. services can be ensured to the farmers, leading to enhanced productivity of animals. The experimental cows were within zero to 6th parity and were inseminated artificially by using the semen from sires of three different breeds. The study revealed that the overall conception rate (CR) was 49.68% which is better than the national average conception rate (35%). It was observed from statistical analysis of data that the conception rate of the cows was significantly affected by district, cattle breed (P<0.01) and body condition (P<0.05) while there was no significant difference (P>0.05) found due to sire’s breed and lactation number/parity of cows. CR was found to be highest in Rajsamand district (61.35%) and lowest in Chittaurgarh (47.69%) district. The overall conception rate significantly varied with the breed of cattle (P<0.01) reflecting the highest CR in non-descript (ND) cattle followed by crossbred Jersey cows. In conclusion, genetic as well as non-genetic factors contribute to attaining maximum conception rate and improving genetic potential in cows which results in increased productivity.
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