EVALUATION OF THE SUCCESS OF ARTIFICIAL INSEMINATION USING FROZEN SEMEN BASED ON THE SAME BULL WITH DIFFERENT INSEMINATORS
Wahyu Yudha Setiawan (a), Habib Asshidiq Syah (a), Aulia Puspita Anugra Yekti (a), Trinil Susilawati (a)

a) Faculty of Animal Science, Universitas Brawijaya, Malang, 65145, Indonesia

Abstract

The purpose of this study was to evaluate the success of AI using frozen semen from the same bull with different inseminators. This study was conducted from January 2025 to October 2025. The subjects of this study were 6 inseminators from the Jabung Agro Niaga Cooperative and 147 cows. Observations of the inseminators included their skills in AI, such as: timeliness of insemination, semen selection, and semen thawing. The bull semen used was from FH Mountsi bulls. The research method used was quantitative descriptive. The parameters observed included the Conception Rate (CR), Pregnancy Rate (PR), Service per Conception (S/C), and Inseminator Success for each inseminator. The data was analyzed using Microsoft Excel and presented in tables, graphs, and descriptions. The results showed that inseminator 1 produced the highest CR with a percentage of 26.92%, while inseminator 4 produced the lowest CR percentage of 9.54%. The average CR percentage of the six inseminators was 18.09%. The highest PR percentage was produced by inseminator 6 with a percentage of 50%, while inseminator 2 produced the lowest PR percentage of 13.79%. The average PR percentage of the 6 inseminators was 31.67%. The highest S/C value was produced by inseminators 2, 3, and 5 with an S/C value of 1, while the lowest S/C value was produced by inseminator 4 with a value of 1.33. The average S/C value of the 6 inseminators was 1.41. The inseminator success rate was obtained by inseminator 6 with a value of 50%, while the lowest inseminator success rate was obtained by inseminator 3 with a value of 13.63%. The average inseminator success rate was 23.72%. The conclusion of this study is that the success of artificial insemination by different inseminators is influenced by differences in skills in insemination, insemination time, semen thawing, and experience in artificial insemination.

Keywords: Artificial Insemination, Friesian Holstein, Inseminators,

Topic: Animal Reproduction and Breeding