Deep uterine horn AI boosts conception rates

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Preliminary research from Michigan State University shows deep uterine horn insemination - the technique by which semen from one straw is split between each uterine horn instead of being deposited in the body of the uterus - increases conception rates.

According to the results, conception rates varied significantly between the farms involved in the study (see chart below). However, conception rates increased 70 percent overall in the cows inseminated using the deep uterine horn method, says Richard Pursley, reproductive physiologist at Michigan State University.

Although this technique could be useful for increasing fertility, it does possess certain disadvantages, such as increased insemination time.

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