Transcription of A Reproductive Management Tool - selectsires.com
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Estrus Synchronization:A Reproductive Management Tool In contrast, many estrus synchronization protocols can induce 70 to 90 percent of the cycling cows and as many as 50 percent of the anestrous cows to display a fertile estrus within a fi ve day period. With conception rates equal or greater than those of natural heats, it is typical for many synchronization protocols to result in 45 to 55 percent of the herd pregnant by the end of the fi rst week of the breeding season (Figure 1). Several fi xed-time options are available that result in 50 percent or more of the herd pregnant following a single day of breeding with zero hours spent for heat detection.
beef cows and heifers. Depending on management needs, desires and capabilities, there is considerable fl exibility in the choice of systems …
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