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BVD re-test

  • 30-10-2014 8:28am
    #1
    The Letheram
    Registered Users, Registered Users 2 Posts: 227 ✭✭


    Has anybody on here had a negative result reversed with a retest? I am in the third year of the programme, have never had a positive and after using a bvd free bull and buying in no stock I get a text this morning to tell me I have two. Gutted.


Comments

  • #2
    annubis
    Registered Users, Registered Users 2 Posts: 436 ✭✭annubis


    The Letheram wrote: »
    Has anybody on here had a negative result reversed with a retest? I am in the third year of the programme, have never had a positive and after using a bvd free bull and buying in no stock I get a text this morning to tell me I have two. Gutted.

    in same boat, closed herd, never had a negative since i started test in 2012, this year so far ive had 4 and 1 inconclusive from 16 calved so far!
    its a serious headache. have blooded all my cows since and all clear, bulls are clear and only heifer i bought in last year is clear..
    my calves are gone for retest this week but im not expecting any miracles, my biggest fear is will it stop here for me or how many more will i have..have vaccinated all my cows since. looking like it will be expensive lesson for me by the time ive counted the cost of testing and vaccination and loss of stock, would urge lads to start vaccinating


  • #3
    whelan2
    Registered Users, Registered Users 2 Posts: 30,217 ✭✭✭✭whelan2


    its laughable that we are nearly finished the 3rd year of the scheme and people are still holding on to bvd positives:mad:


  • #4
    Milked out
    Closed Accounts Posts: 3,433 ✭✭✭Milked out


    annubis wrote: »
    in same boat, closed herd, never had a negative since i started test in 2012, this year so far ive had 4 and 1 inconclusive from 16 calved so far!
    its a serious headache. have blooded all my cows since and all clear, bulls are clear and only heifer i bought in last year is clear..
    my calves are gone for retest this week but im not expecting any miracles, my biggest fear is will it stop here for me or how many more will i have..have vaccinated all my cows since. looking like it will be expensive lesson for me by the time ive counted the cost of testing and vaccination and loss of stock, would urge lads to start vaccinating

    A closed herd means nothing bought in, including bulls. Vet here said a transient infection could stay within the herd for 4 years without a pi being present, cows getting transient infection passing it on but then clearing themselves. The heifer could have picked it up in a mart or anywhere b4 arriving to u


  • #5
    annubis
    Registered Users, Registered Users 2 Posts: 436 ✭✭annubis


    Milked out wrote: »
    A closed herd means nothing bought in, including bulls. Vet here said a transient infection could stay within the herd for 4 years without a pi being present, cows getting transient infection passing it on but then clearing themselves. The heifer could have picked it up in a mart or anywhere b4 arriving to u

    she came direct from previous owners yard, in any event she was housed with weanlings in another shed separate from cows last winter so i dont think she is the problem


  • #6
    greysides
    Moderators, Society & Culture Moderators, Sports Moderators Posts: 9,041 Mod ✭✭✭✭greysides


    Just to avoid some confusion. While being informed you have may have a PI calf in your herd is 'negative' event and you may experience 'negative' emotions, the result of the test would be described as 'positive' in the lab. Be careful of the terminology so we are all thinking and talking about the same thing.

    The aim of argument, or of discussion, should not be victory, but progress. Joseph Joubert

    The ultimate purpose of debate is not to produce consensus. It's to promote critical thinking.

    Adam Grant



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  • #7
    LivInt20
    Registered Users, Registered Users 2 Posts: 491 ✭✭LivInt20


    The Letheram wrote: »
    Has anybody on here had a negative result reversed with a retest? I am in the third year of the programme, have never had a positive and after using a bvd free bull and buying in no stock I get a text this morning to tell me I have two. Gutted.

    Why did you retest a negative?


  • #8
    tanko
    Registered Users, Registered Users 2 Posts: 9,316 ✭✭✭tanko


    LivInt20 wrote: »
    Why did you retest a negative?

    Maybe they suspected that something wasn't right and did another test. It has happened that animals which tested negative later tested positive and were actually Pi's all along.


  • #9
    The Letheram
    Registered Users, Registered Users 2 Posts: 227 ✭✭The Letheram


    LivInt20 wrote: »
    Why did you retest a negative?

    I didn't. My mistake in the op.


  • #10
    tanko
    Registered Users, Registered Users 2 Posts: 9,316 ✭✭✭tanko


    The Letheram wrote: »
    I didn't. My mistake in the op.

    If you got a BVD positive result with the ear notch test I would wait three weeks and retest using a blood test which is more reliable to ensure the animals are not transiently infected. I'd test all animals in the herd which haven't been tested already.


  • #11
    whelan2
    Registered Users, Registered Users 2 Posts: 30,217 ✭✭✭✭whelan2


    calf man was telling me today a farmer rang him looking for a crappy looking ch calf, he had a bvd positive calf and it was a great calf, he was going to swap tags:eek: calf man said he didnt want to know


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  • #12
    Bullocks
    Registered Users, Registered Users 2 Posts: 5,891 ✭✭✭Bullocks


    whelan2 wrote: »
    calf man was telling me today a farmer rang him looking for a crappy looking ch calf, he had a bvd positive calf and it was a great calf, he was going to swap tags:eek: calf man said he didnt want to know

    I've heard plenty of that type of shenanigans going on . I reckon there are alot of BVD calves kept and people aren't saying it .


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