No I wouldn't do that, but a quick question, why are you giving those 2 shots @ the same time? I've never heard of that B4, but that doesn't mean that there's not a reason to do it.
Lutelyse brinhs the cow into heat by regressing the CL and forming a follicle containing the egg.
Gnrh does the oposite -- it will try and ovulate the follicle present -- this needs done AFTER she is in heat and after breeding, it just HELPS ovulate her in case you may be off on timing a bit.
Two different drugs designed for totally different results.
Cab -- I have a few extra JACKETS here we don't use in case you folks are feeling a little chilly up there -- it's only been 95-104 here for the last week or so -- EEEEEEEEEEEEEEEEEEWWWWE!!!!!!!!!!!!!!!!!!
I grabbed a JACKET this morning, but decided quickly that I could do without it. 126 heat index yesterday and today it is suppose to be a little warmer. Cows are starting to act like sows in their favorite wallows. Look tough!!! Gotta love the hairy ones in these dog days of summer.
I did not realize that they work effect eachother. I have two cows that I am setting up for eggs and 1 shot of gnrh is not enough to get rid of the cyst. Can I give a shot of gnrh while she is in heat and also can I give another shot of gnrh 2 days before the egg goes in or do I only have to give a shot while she is in heat?
Zak give us your whole protocol for setting up your recip cows please. I wouldn't think that you would want to use a cistic recip. You just need to get your cows to come into heat and approximately 7 days later she should be ready to have the embryo implanted.
I have a problem with cyst in my herd. The two cows that I am setting up were supposed to get eggs implanted a week ago but they were cystic. I gave them a shot of gnhr last wed and was going to give them a shot of lut tommmorow. Then while they are in standing heat give them another shot of gnhr. Then implant eggs 7 days after heat.
Zak I hate to say it, but I think that you are headed down a road that you may not get very good results on. Cystic cows are not good candidates for embryos. I would hate for you to go through all of the troubles and have bad results. Have you talked to the embryologist about your plans? I think a phone call to him would be prudent.
Right now IMO your biggest obstacle is that you are saying that your recips are cystic. You need to address that issue B4 anything else and cows that have a history of being cystic are not good candidates for recips in general. You need to talk to a reproduction specialists IMO.