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Challenges of Synchronization Protocols for Early Calves in Beef Cows
Synchronization protocols to achieve early calves in beef cows face challenges due to varying estrous cycle lengths. Cows have different cycle lengths, causing desynchronization over time. While the idea of early calves is appealing, the main obstacle is the need for a certain number of post-calving days for cows to resume fertile cycles. This requirement, averaging 60 days, limits the feasibility of synchronization protocols aimed at earlier calving. Attempting synchronization too early before breeding season results in insufficient response from the cows, making it challenging to implement such protocols effectively.