The heat and humidity may negatively have affected reproductive performance.
“Producers who do not use a synchronization program, or timed-breeding protocols, should consider implementing a program to increase the submission rate for insemination in a timely manner,” suggests Michael O’Connor, extension dairy specialist with Penn State University.
Consult with your veterinarian and AI technician to design a protocol that works with your management. Make sure that employees understand the protocol.
 Consider using a re-synchronization program to efficiently manage open cows, so fewer days are lost before rebreeding.