MarkDay
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Freemartin blood test
I have blood tested two potential freemartins with one positive for the Y chromosome and one negative.
How accurate is a negative result?
--- Bickleygate holsteins
"I have not failed 1000 times, I have discovered a 1000 ways that do not work"-Thomas Edison
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15/10/2014, 16:26
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Buckeye
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Re: Freemartin blood test
We had an Atwood twin, that passed the initial vaginal probe screening, so I sent blood, and she came back as ok to breed. She held first service, but had very traumatic calving, and while she recovered, I had to sell her. I remember her feeling normal, when I bred her.
--- Buckeye seems like a one man wrecking crew out to rid the world of injustice. ----- Mayjay
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16/10/2014, 19:17
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AmandaS101
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Re:
No test is 100% accurate. You could always have the vet to check her once she is old enough. I was debating whether to get a blood test done for one of my heifers born twin to a male. I figured I might as well save my money and wait, then get the vet to ultrasound her when she's old enough to be bred. Now, if she turns out to be a non-breeder, we'll grow her a few more months and then she'll make some good steaks.
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17/10/2014, 1:12
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Buckeye
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Re: Re:
quote: AmandaS101 wrote:
No test is 100% accurate. You could always have the vet to check her once she is old enough. I was debating whether to get a blood test done for one of my heifers born twin to a male. I figured I might as well save my money and wait, then get the vet to ultrasound her when she's old enough to be bred. Now, if she turns out to be a non-breeder, we'll grow her a few more months and then she'll make some good steaks.
The blood test should be 99.9% accurate, and the error, would be on the human side of the equation.
--- Buckeye seems like a one man wrecking crew out to rid the world of injustice. ----- Mayjay
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17/10/2014, 2:23
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bryant rathbone
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Re: Freemartin blood test
What I was told is the test is 100% accurate that hormone wise it will breed but doesnt count for the fact that she could still have deformity in her tract.
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17/10/2014, 13:10
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Buckeye
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Re: Freemartin blood test
BR, gotta account for human's screwing up the ID, sample contamination, etc
--- Buckeye seems like a one man wrecking crew out to rid the world of injustice. ----- Mayjay
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17/10/2014, 18:29
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jbeyer
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Re: Freemartin blood test
At what age can this blood test be done?
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15/11/2014, 4:00
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Buckeye
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Re: Freemartin blood test
Anytime.
--- Buckeye seems like a one man wrecking crew out to rid the world of injustice. ----- Mayjay
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18/11/2014, 5:12
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