Quantcast Select Synch with a CIDR vs. Select Synch with a CIDR + TAI












Author Topic: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI  (Read 1911 times)

Offline kkomma

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I have always done the 7 day Select Synch with a CIDR & TAI at 72 hours. I did some AI work for a ranch and they did the Select Synch with a CIDR but just heat detected for a total of 96 hours. They got 14/15 to show heat. So that opened my eyes for an extra 12 hours of heat detection you get almost all your cows to show heat and you don't need another dose of gnrh. What are your experiences?

Offline Miller Cattle Company 2M

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #1 on: June 24, 2012, 06:12:36 PM »
This year we gave the the TAI a shot just due to convenience.  After seeing all the orange tags when we turned the bull out for the next cycle, I will be going back to watching for heats!!!!

Offline cpubarn

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #2 on: June 25, 2012, 07:46:52 AM »
My opinion is if you spent the time and money to set them up, heat detect,.  Even if you have to hire a kid or a retired guy or gal to watch them for 3 days...

Mark

Offline outspoken

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #3 on: June 25, 2012, 08:59:47 AM »
We have a set of 30 CIDRS in right now for a TAI breeding on next Monday (week from today).  We're using the CIDR plus Cyst at insert, and Lut at pull on day 8.  Going to breed 72 hours later...  Wait a week and turn the bulls in. 

Will have a good idea about 9 months from now to see how that worked...

Offline obie105

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #4 on: June 25, 2012, 09:25:58 AM »
If your going to the effort to catch them twice do the shots and the Cidrs why time ai? We visually try to catch them in heat otherwise you could be throwing semen away. I have seen cows come in from 2 days up to 5 days. The guy that does our ai work and he does somewhere around 2500t head a year he will not do timed ai because he says its a waste. He wants to know that they are in heat.

Offline aandtcattle

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #5 on: June 25, 2012, 10:47:07 AM »
I dont think most people are very well informed on TAI.  Why is it a waste?  That dont even make sense.  There is definitely a place for TAI.  We have been using TAI for 13 years on our own cattle and conception rates have been the same as when we used to heat detect, about 60%.  Yes, 60% may sound low for heat detected cattle, but understand we were heat detecting 200 cows at a time on 500 acres!  There was a lot of cowboying and cussing going on back in the heat detect days.  Now, we gather the herd 3 times and we are done.  We coordinate it to be done in the cool morning hours and entirely avoid messing with the cattle in the heat of the day which has probably helped conception more than anything.  We have custom bred over 7000 head this year and over half of them have been bred on time.  Our clients love the simplicity of TAI and results have been very good with MOST of the preg rates being around that 50-57% ai and as good as 90% bred in the first 21 days.  The operators that implement TAI are generally large ranches that just dont have the man power to heat detect large numbers of cows on grass.  If I was breeding our cows in a dry lot situation, early in the spring before the daytime temps get too hot,  I would absolutely heat detect. 
As I walk through the shadow of the valley of SP, I shall fear no evil

Offline outspoken

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #6 on: June 25, 2012, 10:53:44 AM »
If your going to the effort to catch them twice do the shots and the Cidrs why time ai? We visually try to catch them in heat otherwise you could be throwing semen away. I have seen cows come in from 2 days up to 5 days. The guy that does our ai work and he does somewhere around 2500t head a year he will not do timed ai because he says its a waste. He wants to know that they are in heat.

cuz they're not mine... I'm just he AI man supplying semen and an arm...  Who has time to heat detect in today's world?

Offline Hereford399

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #7 on: June 25, 2012, 01:37:05 PM »
I used the 7 day last year and we did well watching heat and this year i did my first time around on the time ai at 72 hours and we did not hit any. Our vet said to try 54 hours so i went back to 5 day heat detection and we stuck them all. I think its just what works for your cows thats all.

Offline aandtcattle

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #8 on: June 25, 2012, 04:28:05 PM »
I used the 7 day last year and we did well watching heat and this year i did my first time around on the time ai at 72 hours and we did not hit any. Our vet said to try 54 hours so i went back to 5 day heat detection and we stuck them all. I think its just what works for your cows thats all.
Are you giving a shot of GnRH at time of breeding?  Even without the GnRH, you should get SOME cows bred on a 72 hour TAI!  If you didnt get any cows bred, I would have to beleive that even if you had heat detected that NONE of the cows would have showed any signs of estrus.  You wouldve saved a lot of money on wasted semen but the end result would have been the same- no pregnancies.
As I walk through the shadow of the valley of SP, I shall fear no evil

Offline kkomma

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #9 on: June 25, 2012, 09:16:08 PM »
Kind of a followup subject but when is the earliest you've had a cow come in when you pull the CIDR? Usually is 2 days before one shows heat for us. We're synchronizing 30 at a time usually.

Offline Hereford399

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #10 on: June 25, 2012, 10:03:26 PM »
There's 10 cows 1 first calf heifer they all stuck ai last year just fine. I think weather had bunch to do with it. One day 95 that night 50 then 95 it was bad.

Offline BadgerFan

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #11 on: June 26, 2012, 07:37:43 AM »
Use select synch with CIDR + TAI. I heat detect and breed for 72 hours then time breed the rest (with GnRH of course).  Gives every cow an opportunity to get pregnant.  Whole program yields 70-80% AI preg rate and 95+% after 45 days natural service following the AI. Open cows are culled unless they are extremely special.  Works for us. 

Offline outspoken

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #12 on: June 26, 2012, 12:51:14 PM »
Use select synch with CIDR + TAI. I heat detect and breed for 72 hours then time breed the rest (with GnRH of course).  Gives every cow an opportunity to get pregnant.  Whole program yields 70-80% AI preg rate and 95+% after 45 days natural service following the AI. Open cows are culled unless they are extremely special.  Works for us. 

so let me get this right...

You put GnRH and CIDR in-- leave in for 8 days- pull CIDR plus Lut-- heat detect and breed-- and all who haven't shown heat get bred at 72 hours-- and get a GnRH shot at breeding?

Offline CAB

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #13 on: June 26, 2012, 01:45:06 PM »
When you say day #8, are you really say day 7? B/C first day is day zero. We pull day 7, heat detect up until 72hours, anything that hasn't stood gets TAI with a shot of GnRH @ the time of insemination.

Offline outspoken

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Re: Select Synch with a CIDR vs. Select Synch with a CIDR + TAI
« Reply #14 on: June 26, 2012, 01:53:20 PM »
When you say day #8, are you really say day 7? B/C first day is day zero. We pull day 7, heat detect up until 72hours, anything that hasn't stood gets TAI with a shot of GnRH @ the time of insemination.

Right on...

 

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