CIDR

[spike]

Do any of you know how long after calving you need to wait before you use CIDRs?

 

[cowvet]

Depends on the cow - if her uterus is fully involuted then I have used them as early as 3-4 weeks post calving.

 

[*Cowgirl*]

Right now we're CIDR synching some cows with spring calves

 

[Alan]

AI instructor said a min of 60 days for AIing, I assume it meant using CIDR's also. Not to second guess a Vet..... but why not. I would think 3 to 4 weeks post calving would give the cow reproductive system little chance to be ready to conceive and hold a calf.

Alan

 

[cowvet]

Here is a link to the drug companys official website. It clearly states that when uterine involution is normal a CIDR can be used 21 days after calving !!! (I didn't just dream it up!).

I am a cattle veterinarian in a pastoral based dairy area. We calve every 12 months to fit in with pasture growth etc - because of this some of the later calvers are treated "aggressively" to get them cycling and pregnant again so that they can get pregnant rather than be culled as empties (economics of carrying them over as empties for a year is often questionable). When getting non-cyclers in for treatment we have a 21 day post calving recommendation - they must be at least this before we look at them for a CIDR. If they feel OK on palpation they get treated!

The synch programs they have illustrated are also useful to keep in your fliing cabinet for reference. I would recommend using these before I went off some third hand instruction via other farmers etc....


http://www.cidranimalhealth.com/health. ... parentID=0

 

[spike]

Thanks for the info. I'll try down to about 24 days and see how it goes.

 

[Alan]

I would recommend using these before I went off some third hand instruction via other farmers etc....

I caught what I was fishing for. I have a lot of respect for Vets and I think if you did a search you would see me backing up for them 99.9% of the time. But I also know that most Vets do not AI cattle much. I would rather trust a AI tech who AI's hundreds or thousands of head of cattle a year and probably has for 25 years. I realize there are probably many more "third hand" techs out there, then guys who know what they are doing. But I also know that in many breeds, such as horses, the sucess rate of conceiving is much lower during a post delivery heat cycle (foal heat).

I'm not knocking your ability or knowledge, just simply stating that everyone, good and bad AI techs as well as vets, have opinions. Opinions are like feet.... everyone has a couple but not everyone is right.

JMO,
Alan

 

[cowvet]

I would recommend using these before I went off some third hand instruction via other farmers etc....

I caught what I was fishing for. I have a lot of respect for Vets and I think if you did a search you would see me backing up for them 99.9% of the time. But I also know that most Vets do not AI cattle much. I would rather trust a AI tech who AI's hundreds or thousands of head of cattle a year and probably has for 25 years. I realize there are probably many more "third hand" techs out there, then guys who know what they are doing. But I also know that in many breeds, such as horses, the sucess rate of conceiving is much lower during a post delivery heat cycle (foal heat).

I'm not knocking your ability or knowledge, just simply stating that everyone, good and bad AI techs as well as vets, have opinions. Opinions are like feet.... everyone has a couple but not everyone is right.

JMO,
Alan

your AI techs must be different to ours then - ours aren't repro specialists, they AI only (whatever the farmer puts in front of them), they aren't allowed to use drugs, and do not palpate the whole of the repro tract as I do for a CIDR/repro exam.

The first heat is less fertile - and an anoestrus cow only has about a 40% chance of getting pregnant to an induced heat - so you may not get her on the first heat - but the sooner she has the first heat the sooner she has a second more fertile heat!!!

 

[Alan]

Good point on inducing the first heat. The AI tech cannot get the drugs, it's up to the cattle person to get them from the Vet. But the good ones do know the CIDR protocol and have a pretty good AI success rate. I understand your purpose of inducing an early heat cycle now, but I think anyone should be very pleased with a 40% conception rate on the first cycle. I think we are basically on the same page.

Alan

 

[redfornow]

Here I buy all the drugs from the rep.
It would be cheaper to just buy em online.
But i reckon they got to make a livin on more than AI'ing cows.
They cant preg check though.
Go figure.

MD

 

[dun]

Here I buy all the drugs from the rep.
It would be cheaper to just buy em online.
But i reckon they got to make a livin on more than AI'ing cows.
They cant preg check though.
Go figure.

MD

Funny you should mention the preg check deal. Our vet does the embryo transfer stuff, but I do most of his AI work. He maintaines that for whatever reason, people that are good at preg checking aren;t as good at AI and vice versa.

dun