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A.I. & BREEDING

From estrus and heat detection to genomics and sexed semen, discover the latest information to improve reproductive performance.

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Advancements in technology, data collection and the future were top of mind during this year’s Canadian Dairy Cattle Improvement Industry Forum and CDN Annual General Meeting.

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As concerns over falling reproductive performance escalated around the turn of the century, dairy cattle breeders and advisers decided to take on this trend by putting more emphasis on reproduction-related genetic traits (e.g., Daughter Pregnancy Rate [DPR] and Sire Conception Rate [SCR]) and seeking out effective heat detection tools.

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Almost all dairy farmers would like to improve the reproductive efficiency of their dairy herd, but they must manage many aspects to achieve this goal, including the nutritional program.

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Increase profit. Reduce management inputs. Design a cow that eats less, doesn’t know what a hospital pen is and rarely gets the “open” diagnosis at pregnancy check.

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Inventory should be updated every time semen enters or exits the tank. Always ensure hands, gun and all equipment are kept clean and themometer is working properly.

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The onset of estrus in dairy cattle is accompanied by changes in physiological activity, rumination and feeding behaviour.

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