Eazi Breed Cattle CIDR - 10ctEAZI BREED CATTLE (Beef) CIDR 10 ct Eazi Breed CIDR (Progesterone) Cattle breeding is more successful with the Eazi Breed CIDR Cattle Insert (progesterone). It improves the timing and efficiency of beef cow and heifer breeding programs when using Lutalyse. The Eazi Breed CIDR Insert provides precise control of the estrous cycle, allowing more cattle to be bred in less time. The Eazi Breed CIDR Insert is indicated for controlling the estrous cycle and