Heifers and cidrs

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BryanM

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Quick question, I could not get a cidr for lack of better terms installed in a heifer today????? I never have had this problem before. I had a group of 3 replacement heifers and the other 2 no problem. all the same age. She was extremely worked up going in the chute, maybe that was it , maybe too immature? But after a few times I figured it was a no go at this time. Anyone ever had this trouble? what do you think??
 

Buck Randall

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Heifers can be difficult; it's a tight fit. All you can do is keep trying. Adding plenty of lube and gently twisting the CIDR back and forth on the way in has worked for me.
 

simme

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I have never put a cidr in a heifer but could it be that the heifer is a free Martin?
I had that same thought. Sometimes one twin is abandoned by the cow and dies and it is never noticed that the surviving calf is a twin. Or the other calf is adopted by another just calved cow and it is assumed she had the twin. But it can take extra effort to insert a CIDR in a heifer. They are called virgin heifers for a reason. I just wiggle and rotate and push a little harder and then it pops in. But nervous that I might damage something in there. Heifer fidgets and does not like it one bit.
 

Dsth

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did not have a problem with a heifer but tried installing a CIDR in a mature cow this year but was unable to insert far enough. she has had a CIDR installed every year since and including when she was a heifer. not sure why. CIDR was out by the next morning which I expected. cow did get a shot of PG when CIDRs removed from the rest of cows/heifers and had a standing heat with the others. Have been using CIDRs for probably last 5 years or better and gun is well lubed and turn while applying a little pressure as buck has suggested. I think it just depends on how everything in there is situated on that day. will be interesting to hear back if you retry or if heifer cycles without CIDR.
 

CVAR

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Buck is exactly right, even some cows can tighten up so much from nerves that they can initially keep that cidr from going in (it feels like your hitting a wall) once the animal settles a bit, lube and patience is about all you can rely on - you’ll get it.
 

JKCattle

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Remember to angle the CIDR gun upward like you would with an AI pipette to avoid the urethra. That also helps guide it over the pelvic muscles
 

wbvs58

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Yes remember the direction is up and over the pelvis before going in and then working it back and forward as in copulation.
The only one I could not get it in was a mixed sex twin, I just had try my luck to see if I could score that 6% chance she would be good.

Ken
 

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