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Offline nativeman

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #15 on: March 20, 2014, 07:01:55 PM »
how many days after calving do you start,45 days?

Offline Davidsonranch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #16 on: March 20, 2014, 07:16:27 PM »
I'm super intersted in trying the 5 day instead of the 7 day, but running the cows through the chute yet another time worries me.  Super intersted to hear if the two shots at once method is working.

Offline hntwhitetail

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #17 on: March 20, 2014, 08:01:38 PM »
Does anyone see any difference in using Estrumate vs. Lutalyse?

Online HGC

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #18 on: March 20, 2014, 10:21:38 PM »
I have used a 5.5 day CIDR sync for 12 years.  I did it out of necessity because of work.  I would put CIDR's in Saturday morning, pull them Thursday after work and then breed off of standing heat all weekend.  I only ever gave 1 shot of lutylase when I pulled the CIDR's.  Has worked great for years.

Offline ai er

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #19 on: March 21, 2014, 11:17:25 PM »
This will be my fourth year doing the 5 day protocol. I give 10 ml of prostaglandin (Lutalyse) at time of pulling CIDR. It works awesome. I breed off heats, any not bred by 72hours, gets bred with an injection of GnRH. Averaging about 75% bred to AI. I can set up the cows for one weekend. Don't have time to heat check with kids activities. I've been impressed.
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Offline ejoe326

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #20 on: March 21, 2014, 11:52:36 PM »
We do not see the strength of heats with Lutalyse. More importantly a few years ago we tried them side by side and the Estrumate cows settled better.  I can't remember the percentages but it was enough for me.

I haven't googled it yet but do you have the information on the study? 


Offline nativeman

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #21 on: March 25, 2014, 05:20:10 PM »
Cant believe after the winter we have all had that I am getting ready to sync. cattle but think I will try 5 day, I have always done just gnrh and 7 day later lut.with mixed results.will trust u guys.Will do anything that has calved 45 plus days.If take that should be calves say MIDDLE OF JANUARY.We must all be die hard cattle guys/gals.

Offline Davidsonranch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #22 on: March 25, 2014, 06:49:25 PM »
ai er, do you give everything a 2cc shot of GnRh at time of AI, both the natural heats and the ones that go the full 72?  Last year I gave everything the 2cc shot of GnRh both ones I saw come in heat and the ones I just bred between 66-72 hours. Am I just wasting it on the ones I actually see in standing heat?
As a working man, consumed by kids activities, sports, etc.  I like the idea of the 5.5 day mentioned above.  CIDR's on a Sat.  Pull them on a Thurs night and breed most likely on the weekend if I read it right.
« Last Edit: March 25, 2014, 06:53:51 PM by Davidsonranch »

Offline ai er

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #23 on: March 25, 2014, 07:09:28 PM »
ai er, do you give everything a 2cc shot of GnRh at time of AI, both the natural heats and the ones that go the full 72?  Last year I gave everything the 2cc shot of GnRh both ones I saw come in heat and the ones I just bred between 66-72 hours. Am I just wasting it on the ones I actually see in standing heat?
As a working man, consumed by kids activities, sports, etc.  I like the idea of the 5.5 day mentioned above.  CIDR's on a Sat.  Pull them on a Thurs night and breed most likely on the weekend if I read it right.


Dr. Mike Day, reproductive physiologist at Ohio State has done lots of research with this method. He was the one who told me about it. He said that giving the 10 ml dose of prostaglandin was not statistically different than the two separate injections. Now back to your question. I posed the same question to him about the GnRH. He said if I saw a good standing heat, I could probably skip the GnRH injection at breeding. He said it won't hurt to give it, but can save  you a little money.  I go by the "if in doubt, give it" method.  The GnRH will force an ovulation.

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Offline hntwhitetail

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #24 on: March 25, 2014, 07:18:48 PM »
Wow, lots of good information.  Thanks guys!   <rock>  Now I'm wondering what is everyone's cost per cow not including the semen for the 5.5 day protocol.  Thanks again in advance.

Offline pweaver

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #25 on: March 26, 2014, 09:43:32 AM »
I have tried different protocols and can't really say one is noticeably better than another.  But maybe I don't give them enough chances or repetitions.  From what I am hearing, I think this is going to my protocol this year:
Saturday a.m. - GnRH and CIDR
Thursday p.m. - Remove CIDR, 4 cc Estrumate
Breed on standing heat or 72 hrs. after removing CIDR w/ GnRH at each breeding.
I have taken a little bit from several protocols.  So how does it sound?  Has anyone incorporated a shot of Lute or Estrumate 3 days before CIDR implant?
What about giving a shot of Lute a month or so before scheduled breeding, maybe when vaccinating and deworming, to get the uterus cleaned up and everything started?  I have always wondered if jumping in and using any of the CIDR protocols was trying to get cows bred when they weren't cycling yet.  Like trying to breed on a first cycle non-fertile heat.

Offline Davidsonranch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #26 on: March 26, 2014, 09:49:44 AM »
Yes, thanks everyone for the great info.  I'm going for it this year. 
This will be my plan (to help with my work schedule)

NOTE:  I FIXED THE DOSES PER MY ORIGINAL POST!

Saturday morning put in CIDRS and 2cc of Cystorellin (GnRh)
Thursday evening pull CIDRS and 4cc of Estrumate (Pg) Maybe 2cc's in two locations
Watch for standing heat Friday-Sunday and breed accordingly (am/pm rule)
If no heat noticed will breed everything else between 66-72 hours (Sunday afternoon)
Will also give 2cc of Cystorellin (GnRh) at time of AI
« Last Edit: March 27, 2014, 09:15:39 AM by Davidsonranch »

Offline ai er

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #27 on: March 26, 2014, 11:09:02 AM »
Yes, thanks everyone for the great info.  I'm going for it this year. 
This will be my plan (to help with my work schedule)

Saturday morning put in CIDRS and 2cc of Cystorellin (GnRh)
Thursday evening pull CIDRS and 10cc of Estrumate (Pg)
Watch for standing heat Friday-Sunday and breed accordingly (am/pm rule)
If no heat noticed will breed everything else between 66-72 hours (Sunday afternoon)
Will also give 2cc of Cystorellin (GnRh) at time of AI


Estrumate's normal dosage is 2 cc, I think.  If it is, you only want 4 cc.

5 X-bred cows
2 kids
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Offline Davidsonranch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #28 on: March 26, 2014, 07:18:09 PM »
Thanks I will check.  I was just assuming it was the same as Lute. 

Offline bigby535

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #29 on: March 26, 2014, 09:58:53 PM »
 Estrumate box says 2ml IM.   Lutalyse insert says 5ml IM.

 

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