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CM Livestock

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Oct 1, 2009
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has or does anyone just give one shot instead of 2 to sync cows have heard estroplan will work  we heat detect use estrus alert patches and gomer bulls was just trying to eliminate one more trip down the chute on 350 cows
 

crown33

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Mar 23, 2009
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you can just give them one shot of lut but that pry wont work the best. if you want to get them all relatively close you could giv ethem a shot of GnRH and then 7 days later give them a shot of lut and heat detect, then when you AI them give them another shot of GnRH. This knocks out 10 bucks for each CIDR, which will save u some money
 

AStar

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Aug 13, 2009
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May Texas
I use to give two shots then heat detect. I also tried cidrs for a while but the last few years I have given one shot of lut and heat detect and breed. The cows that don't come in on first shot are given second shot of lut 11 days after first shot, heat detect and breed. This saves some money on shots but is more time consuming with heat checking.
 

ZNT

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Apr 25, 2007
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Rhome, TX
AStar said:
I use to give two shots then heat detect. I also tried cidrs for a while but the last few years I have given one shot of lut and heat detect and breed. The cows that don't come in on first shot are given second shot of lut 11 days after first shot, heat detect and breed. This saves some money on shots but is more time consuming with heat checking.

This program is very similar to one we use sometimes.  You will run all the cows through the chute for the first shot, but if everything is cycling, you will only have to run 1/4 of them back through for a second shot.  We wait around 6-7 days after the first shot to give our second shot.  As long as you didn't miss a heat or a cow had a silent heat, the remaining 1/4 of the cows should come in after the second shot.  We give GnRH at time of insemination then.
 

CM Livestock

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Joined
Oct 1, 2009
Messages
120
ZNT said:
AStar said:
I use to give two shots then heat detect. I also tried cidrs for a while but the last few years I have given one shot of lut and heat detect and breed. The cows that don't come in on first shot are given second shot of lut 11 days after first shot, heat detect and breed. This saves some money on shots but is more time consuming with heat checking.

This program is very similar to one we use sometimes.  You will run all the cows through the chute for the first shot, but if everything is cycling, you will only have to run 1/4 of them back through for a second shot.  We wait around 6-7 days after the first shot to give our second shot.  As long as you didn't miss a heat or a cow had a silent heat, the remaining 1/4 of the cows should come in after the second shot.  We give GnRH at time of insemination then.

ZNT do you give every cow a shot of gnrh at insemination also do you use lut or another brand and also what happens if some of the cows arent cycling at shot 1
 

ZNT

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Joined
Apr 25, 2007
Messages
1,006
Location
Rhome, TX
CM Livestock said:
ZNT said:
AStar said:
I use to give two shots then heat detect. I also tried cidrs for a while but the last few years I have given one shot of lut and heat detect and breed. The cows that don't come in on first shot are given second shot of lut 11 days after first shot, heat detect and breed. This saves some money on shots but is more time consuming with heat checking.

I am a firm believer in giving GnRH at breeding. After the last couple of years of AI'ing at Chambero's, and see such good results on even the questionable heats. We use lutalyse in our operation. If an animal is not cycling at the time of the first shot of lut, then you will most likely not get any results on the second, unless the cow just naturally start cycling. Remember that the first heat is less fertile than the following heats.

Thanks for the mention of our website Brent

This program is very similar to one we use sometimes.  You will run all the cows through the chute for the first shot, but if everything is cycling, you will only have to run 1/4 of them back through for a second shot.  We wait around 6-7 days after the first shot to give our second shot.  As long as you didn't miss a heat or a cow had a silent heat, the remaining 1/4 of the cows should come in after the second shot.  We give GnRH at time of insemination then.

ZNT do you give every cow a shot of gnrh at insemination also do you use lut or another brand and also what happens if some of the cows arent cycling at shot 1
 

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