Yolk sac

Discussion in 'Managing Your Flock' started by FamilyTrapper, Feb 25, 2014.

  1. FamilyTrapper

    FamilyTrapper New Egg

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    Jan 5, 2014
    I have some 1.5 year old RIR that we use for eggs, lately I have been getting some yolks with what kinda looks like an embryo on the edge of the yolk. but we have no roosters in our coop. They recently started this but I have been able to use a spoon and scrap it off the egg before eating it, problem is I sell eggs to guys at work and my wife is worried one of them will get one. My guess is it is just one chicken that is doing it but that is only a guess...thanks for
     
  2. howfunkyisurchicken

    howfunkyisurchicken Overrun With Chickens

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    Apr 11, 2011
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    If you have no rooster, an none of your hens are sitting on eggs, there is no chance of an embryo developing.
    What I suspect you're seeing is a meat spot. Ad the chicken ages, there's more of a chance of little pieces of their insides sloughing off during the egg making process. If your birds are production type RIR, they're pretty old as far as production layers go. Anyway, the meat spots are no big deal. I pick them off with a spoon too, but they can just be eaten. Totally normal. Good luck :)
     
  3. Kelsie2290

    Kelsie2290 True BYC Addict Premium Member

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    Are they reddish in color, could they be meat spots or blood spots? If they're white, could just be a prominent chalazae, the strings that keep the yolk centered in the egg, they are more noticeable in fresh eggs, or if a round whitish spot the germinal disk which you'll see even in unfertilized eggs. The meat/blood spots look unattractive, but they aren't harmful, if you can figure out which hen is doing it you could cull her, or you can try candling your eggs to see if you can see spots before you sell them.
    http://www.thepoultrysite.com/publications/1/egg-quality-handbook/29/meat-spots
    http://www.thepoultrysite.com/publications/1/egg-quality-handbook/28/blood-spots
    http://imaginationstationtoledo.org/content/2011/04/the-anatomy-of-a-chicken-egg/
     

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