Fertility improvement in subfertile cows by different hormonal protocols in special reference to HF crosses

Three different hormonal protocols were tried in HF animals (n=36) in coastal and western districts of Odisha for their response. The group treated with estra double synch protocol yielded highest conception rate of 50% followed by 41.66% in Co-synch +progesterone injection and 33.33% in double synch protocol.