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Moosense Pedometer for Oestrus Detection and Ovulation Time Prediction for Artificial Insemination in Karan Fries Cows

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Background: Improper estrus detection causes huge economic losses due to inaccurate time of insemination leading to poor conception rate. So, here pedometer proved to be a promising tool in defining… Click to show full abstract

Background: Improper estrus detection causes huge economic losses due to inaccurate time of insemination leading to poor conception rate. So, here pedometer proved to be a promising tool in defining optimal time of insemination,improving fertilization rates based on increased number of steps. The study is to determine the relationship between increased pedometer activity for efficient estrus alert and duration of estrus for prediction of accurate time of ovulation.Methods: Oestrus detected in KF cows (N = 20) by behavioural estrus visually. Further validated by pedometer activity and confirmed by progesterone (P4) and estradiol (E2) concentration. Individual animal daily activity pattern collected, transformed and arranged to in Excel sheet for statistical analysis for determining estrus alert, estrus duration, ovulation and insemination time.Result: Based on pedometer estrus alert,duration, estrus onset and estrus end to ovulation was 15.63±1.46 h, 30.53±1.21h and 14.89±2.03h respectively. The mean activity count per hour (ACPH) for the pedometer oestrus (426.19±70.19) and E2 found associated on oestrus day. Based on oestrus alert and duration artificial insemination (A.I) can be made 10h after onset up to 5h after end of pedometer oestrus. Pedometer detects estrus slightly earlier than behavioural estrus efficiently and help in predicting the ovulation time for governing the accurate time of insemination.

Keywords: time; pedometer oestrus; pedometer; insemination; estrus; ovulation

Journal Title: Indian Journal of Animal Research
Year Published: 2021

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