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Continue to ChatEffect of timing of artificial insemination relative to spontaneous estrus on reproductive performance and calfgender ratio in repeat breederholstein cows - https://avesis.yyu.edu.tr/publication/details/2cd89e53-647a-49ca-a488-9096bb4cc2ce/effect-of-timing-of-artificial-insemination-relative-to-spontaneous-estrus-on-reproductive-performance-and-calfgender-ratio-in-repeat-breederholstein-cows