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Urea in milk?

  • 15-02-2014 8:06pm
    #1
    sheebadog
    Closed Accounts Posts: 1,246 ✭✭✭


    I believe that milk is now tested for the concentration of urea.

    What scale is used?

    What use do ye make of the information?


Comments

  • #2
    biddy2013
    Closed Accounts Posts: 1,643 ✭✭✭biddy2013


    will bump up thread for you


  • #3
    Greengrass1
    Closed Accounts Posts: 9,493 ✭✭✭Greengrass1


    What's everyone's milk urea like now?
    Ours has risen up to 45 in the last week since they have gone to grass.
    Can't figure out why


  • #4
    Timmaay
    Registered Users, Registered Users 2 Posts: 11,396 ✭✭✭✭Timmaay


    Excess protein to energy ratio in the diet, so they are releasing the protein in the form of urea in the milk. What % P are you using in the nuts? Be aware of the cows receiving too much protein this time of the year, it is liable to drive on milk production and they could milk their backs off, and be much slower to come back in heat. However you don't have much HO in the cows do you, less of a risk so?


  • #5
    Greengrass1
    Closed Accounts Posts: 9,493 ✭✭✭Greengrass1


    Timmaay wrote: »
    Excess protein to energy ratio in the diet, so they are releasing the protein in the form of urea in the milk. What % P are you using in the nuts? Be aware of the cows receiving too much protein this time of the year, it is liable to drive on milk production and they could milk their backs off, and be much slower to come back in heat. However you don't have much HO in the cows do you, less of a risk so?

    16% still 4kgs.


  • #6
    sheebadog
    Closed Accounts Posts: 1,246 ✭✭✭sheebadog


    I live by this figure. Now listen up and listen up well.
    Keep your urea between 280 and 230. End of !!!


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  • #7
    Greengrass1
    Closed Accounts Posts: 9,493 ✭✭✭Greengrass1


    sheebadog wrote: »
    I live by this figure. Now listen up and listen up well.
    Keep your urea between 280 and 230. End of !!!

    It ranges from 1 to 60 here. 30 being ideal


  • #8
    sheebadog
    Closed Accounts Posts: 1,246 ✭✭✭sheebadog


    Greengrass1 wrote: »
    It ranges from 1 to 60 here. 30 being ideal
    Yes.


  • #9
    knockmulliner
    Registered Users, Registered Users 2 Posts: 152 ✭✭knockmulliner


    Greengrass1 wrote: »
    What's everyone's milk urea like now?
    Ours has risen up to 45 in the last week since they have gone to grass.
    Can't figure out why

    hovering around 20, not out yet, well out one and half days since last collection. You need to feed more energy. Maize meal was good value last time I looked around 200 afair.


  • #10
    Greengrass1
    Closed Accounts Posts: 9,493 ✭✭✭Greengrass1


    knockmulliner wrote: »
    hovering around 20, not out yet, well out one and half days since last collection. You need to feed more energy. Maize meal was good value last time I looked around 200 afair.

    Very little meal left. Have seen a _14% high energy ration I might have a look at


  • #11
    sheebadog
    Closed Accounts Posts: 1,246 ✭✭✭sheebadog


    The main problem with too much urea in the milk is fertility.
    When urea is over 40 the urea will kill a newly formed foetus. This is why when cows are on lush grass there can often be a lot of repeats.
    Grass is high on protein so they don't need a high protein nut. When on good grass they never need protein, but they may need energy.

    Sorry typo on earlier post : urea cows indoors = 28 to 32
    cows on grass = 34 to 37


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