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Estrus Synchronization Programs for Natural Service

Pedro Fontes, Nathan Eason, Andy Carter, Jason Duggin – Estrus synchronization programs have the ability of inducing cyclicity in postpartum cows and can be used in combination with natural service breeding to increase the percentage of cows and heifers that become pregnant early in the season. This publication describe different…
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Applying the Concept of Relative Age Effect to Our Calf Crop

Pedro L. P. Fontes, Ph.D. Assistant Professor and Extension Specialist The Relative Age Effect is a term commonly used to describe how children athletes born early in the academic year tend to perform to a higher level than those born later. For example, softball athletes born between May and August…
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Consequences of Long-term Commitment to Estrus Synchronization

Pedro Fontes, Ph.D. – Assistant Professor and Extension Specialist – We now know that a variety of factors such as nutrition, semen quality, AI technician, and vaccinations (to name a few) can influence the success of an AI program. In this article, Dr. Pedro Fontes discusses how long-term commitment to…
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Where is all that beef semen going?

Pedro Fontes, Ph.D. – Assistant Professor and Extension Specialist – There has been a remarkable increase in beef semen sales over the last few years. While artificial insemination (AI) is a powerful tool that has really helped the beef industry make genetic progress, thisincrease in beef semen sales not necessarily…
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Adding Value to the Calf Crop Through Reproductive Technology

Pedro L. P. Fontes – Reproductive Physiologist – Cow-calf producers have traditionally struggled to capture value when marketing calves with superior genetics for terminal traits. However, today, this scenario is changing. Cattlemen that produce genetically superior calves that will perform well in the feedlot and produce superior carcasses can take…
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