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Offline CAB

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Opinions on the 5-day CO-Synch + CIDR program
« on: April 07, 2013, 07:25:28 AM »
I am going to help set up & breed some cows for a friend and he is wanting to use this program, and here's the question, Do we have to run the cows through the 2nd time for the 2nd shot of PG or can we give 2 shots @ 2 different locations the first time through the chute? I have been told that if you don't give the 2nd shot that you can just as well use the 7-day program and have also been told/heard that you can go through the chute once with the 2 shots at 2 different locations. Please discuss your opinions & results. Thanks in advance. Brent

Offline RAWANGUS

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #1 on: April 07, 2013, 07:33:40 AM »
IMO, I would run the cows through a second time.  that is what I do and seems to work fine.

Offline dhs

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #2 on: April 07, 2013, 09:24:15 AM »
I am going to help set up & breed some cows for a friend and he is wanting to use this program, and here's the question, Do we have to run the cows through the 2ND time for the 2ND shot of PG or can we give 2 shots @ 2 different locations the first time through the chute? I have been told that if you don't give the 2ND shot that you can just as well use the 7-day program and have also been told/heard that you can go through the chute once with the 2 shots at 2 different locations. Please discuss your opinions & results. Thanks in advance. Brent
I would be sure to run them through the second time. The timing of the 2 shots is what really makes this protocol work. We started using the 5-day CO-Synch + CIDR protocol last fall and have seen significant improvement in conception rates (about 20% higher than the 7-day CO-Synch + CIDR protocol).

Thanks, dhs

Offline ai er

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #3 on: April 07, 2013, 09:26:31 PM »
Give both injections at the same time, works just fine.
5 X-bred cows
2 kids
1 wife

Offline ejoe326

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #4 on: April 08, 2013, 08:38:26 AM »
I can't remember the specifics but we were told by our vet and the vet running an embryo program the shots need to be given on two different days.  They did not say it would not work but why take the chance when dealing with expensive drugs, etc.  A place running about 300 cows is using the same protocol and they do the extra trip through the chute as well and had incredible conception rates.

When I talk to either vet I will try and remember to ask why.


Offline kccowman

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #5 on: April 08, 2013, 09:16:19 AM »
What is the protocol for this 5 day program?

Offline CAB

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #6 on: April 08, 2013, 09:39:56 AM »
What is the protocol for this 5 day program?




Offline rackranch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #7 on: April 08, 2013, 10:35:31 AM »
It is important to follow the protocol, the 2nd shot is to ensure regression of the corpus luteum allowing proper release of the follicle and thus ovulation.  If you don't, your conception rates will decrease.
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Offline Gargan

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #8 on: April 08, 2013, 10:41:25 AM »
What GnRH drug do most of you use?
Welfare's purpose should be to eliminate, as far as possible, the need for its own existence.  -Ronald reagan

Offline BLRanch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #9 on: April 15, 2013, 05:25:01 PM »
I talked to my professor about this today and she said that she just heard results on a test of this. She said that the results didn't show a noticeable difference in a conception rates in relation to giving the shots at the same time (different injection sites) vs giving the shots 8 hours later (plus or minus 2 hours). She also said it was a multi-state test.

Offline hntwhitetail

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #10 on: March 19, 2014, 11:53:16 AM »
Anymore information on this?  I am thinking of setting a group up in the coming weeks.  Is everyone breeding on 12 hours after standing heat, or just breeding on time??  Has anyone else had expreience w/ giving just the 2 shots of PG in 2 different areas (different sides) vs. running them back in 8+/- 2hrs? 

Also, if I want to be able to breed the cows on the weekend w/ a heavy workload during the week what day am I looking @ starting the CIDR and the first shot to have everything come in on a Saturday / Sunday?

Thanks for any information.

Offline nativeman

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #11 on: March 19, 2014, 06:01:47 PM »
If you give first shot ,what do you do if cow comes in heat day 2 to 6,breed,continue ,forget program.

Offline CAB

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #12 on: March 19, 2014, 06:26:59 PM »
She won't come in heat with the cidr in.

Offline DakotaCow

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #13 on: March 19, 2014, 08:20:27 PM »
I have had the best success with this protocol, we use estrumate exclusivley and usually whatever GnRH is the cheapest per dose. Give a double dose of estrumate when you pull the CIDR, breed heifers 69 hours later and cows at 72. Its off protocol but it works.

Offline Davidsonranch

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Re: Opinions on the 5-day CO-Synch + CIDR program
« Reply #14 on: March 20, 2014, 09:48:45 AM »
When using the 5 day program, is the time you AI at 69-72 hours from the first shot of PG or the second shot 8 hours later?  Per the diagram its after the first shot?

Also for a "normal" sized cow what dosages are people using for the 5 day sync?  2cc of GnRH when putting in CIDRS, and 5-7 cc's at each of the two PG shots, and another 2cc of GnRH at breeding?
« Last Edit: March 20, 2014, 04:17:46 PM by Davidsonranch »

 

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