> Just attended a session with the
> state vet on synchronization. MGA
> was one of the method discussed.
> The recommendations are that any
> heat expressed within the first
> week of removal from the MGA not
> be bred because of reduced
> fertility, it was specified that
> this applies to both AI or natural
> dunmovin farms Thank you. I understand your point. I've been told another reference after MGA withdraw is "silent heat". My question is feeding MGA to feedlot cattle for a prolong period detrimental. I start feeding them MGS around 550lbs and pull the Heifers out for breeding @950lbs. My concern is withholding them from cycling that long might effect Fertility down the road. Thank you for any help!