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How many sperm are in a straw of semen

Selective breeding via artificial insemination is widely used to improve the characteristics of swine. Selective breeding favors the promotion of reproductive traits but also influences structural correctness, size, muscle type and allocation, fat cover and capacity. To maximize the chances of a full litter, it is important to have enough—but not too many—sperm cells when inseminating. A sufficient number is typically 2.
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Calves’ management conditions affect sperm count in adult bulls

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Understanding Semen Types

Acta Veterinaria Scandinavica volume 62 , Article number: 65 Cite this article. Metrics details. Early maternal separation may have long-lasting physiological effects on different organ systems. Although long-lasting effects of early maternal separation are mostly studied in connection with the development and function of the central nervous system hypothalamic—pituitary—adrenal axis, animal health, behaviour and productivity, there is a lack of information about its impacts on the reproductive system. In the dairy industry, calves are often separated from mothers 1 or 2 days after birth and are not nursed.
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Frozen bovine semen

Dairy producers, herd managers, veterinarians, and consultants monitor production data, health events, and reproductive protocol compliance regularly; however, little time is spent evaluating semen storage and handling. Unfortunately, this can be a critical oversight, as every successful artificial insemination AI program begins with proper semen handling. Please check this link first if you are interested in organic or specialty dairy production. It is important to remember that sexed semen is a different product than conventional semen.
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This product was evaluated in field trials conducted in Ireland in AI after detected heat and fixed-time AI. In both trials, using bulls that were resident in a stud at the sex-sorting laboratory. The mean conception rate for sexed semen was poorer than conventional semen Maximising conception rate with sexed semen requires careful animal selection, appropriate timing of AI, and attention to detail regarding straw handling. Read more on the research and get further advice here and at the links below.
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