Isbar thread

Discussion in 'General breed discussions & FAQ' started by klf73, Jul 5, 2011.

  1. lonnyandrinda

    lonnyandrinda Overrun With Chickens

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    Hm... but these chicks aren't "perfectly fine" one minute and dead the next. They stop eating and drinking and waste away, peeping a lot the last day. [​IMG] Mary did say that her Isbars came straight from GFF and were probably Marek's vaccinated. So they are the grandparents of my chicks and I'm not really sure that it would carry that far, plus the Isbars are being brooded by themselves now and still dying. I'm fairly certain Jordan Farms stock also came from GFF and would have been vaccinated also but I don't know how many generations before they got to me.
    Hm.... worth a little more research. I will definitely post when I get more information from the lab.
     
  2. debs_flock

    debs_flock Overrun With Chickens

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    What he means by that is a vaccinated bird with Marek's will not show symptoms and then will be a carrier of Marek's (same with a bird that has recovered from Marek's). I don't believe he is implying there is a problem with previous generations having received vaccine.

    Also, "most silkies vaccinated" may be true in the UK, but I've never heard of anything like that here.
     
    Last edited: Jul 2, 2013
  3. KYTinpusher

    KYTinpusher Master Enabler

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    Unless you request otherwise, I believe all the commercial hatcheries vaccinate their chicks for Marek's. Most of them are likely carriers. [​IMG]

    I just hatched 4 Isbar chicks over the weekend [​IMG], so I am watching this issue with much interest. I believe I have 2 splash, a blue and a black. I hatched 4/5 shipped eggs, so I'm thinking they are pretty hardy chicks to start with. I started them on unmedicated chick crumbles mixed with kefir. I also put a vitamin/electrolyte supplement in their water and will probably switch out to water with CS added in the next round, switching back and forth.

    I was wondering if anyone had tried any other supplements, like Thorvin Kelp? I am thinking of adding that to their feed or offering it free-choice in case the issue is some trace mineral deficiency. I also have ordered some Redmond's Mineral conditioner (basically a natural sea salt) that I may try offering free-choice when I get it next week, but I am not sure.
     
  4. Flowerbh

    Flowerbh Overrun With Chickens

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    You know how people's blood types are positive or negative and when you have babies between a neg and a pos, you have to have special shots to prevent baby deaths, do chickens have such differences?
     
  5. lonnyandrinda

    lonnyandrinda Overrun With Chickens

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    You are speaking of the rH factor, no I don't believe chickens have anything like that.

    I tried adding RedCell to the feed of the last batch, it is a vitamin supplement labeled for cattle. I did it hesitantly as it has a lot of iron and I understand chicks are eaily overpowered by iron toxicity, so I only did it once per week. No change in the results, I still lost most of them.

    The batch that made it to 6 weeks with the Colloidal Silver I think I also gave Poly-vi-sol baby vitamins once or twice per week.
     
  6. lonnyandrinda

    lonnyandrinda Overrun With Chickens

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    Just got some more results from the lab. It is definitely a bacterial infection killing my Isbar chicks; they are culturing the bacteria now to identify it.

    Histopathology Comments (July 3, 2013): Microscopic changes in the birds are
    consistent with bacterial infection and inflammation of the yolk sac remnants (i.e.
    omphalitis). Two of the chicks also have evidence of septicemia. Acute bacterial
    sepsis is the apparent cause of death. Bacteriology has recovered bacteria from
    these chicks; however, final identification is pending. Identification of the
    bacteria should help determine the route of spread. Until we have identified the
    bacteria in this case, it is recommended that eggs from this breed not be
    consumed, in the event that the bacteria are Salmonella.
    Final bacteriology is pending.


    Multiple H&E-stained tissue sections are examined microscopically. Tissues on
    slides 1-3 are from chick 6/28; tissues on slides 4-6 are from chick 6/29; and
    tissues on slides 7-9 are from chick 7/1. There is mild to moderate postmortem
    autolysis of the tissue sections.
    Yolk sac: The yolk sac contents of chicks 6/28 (slide 2), 6/29 (slide 5), and 7/1
    (slide 8) are heavily colonized by bacteria. The bacteria and cellular debris are
    bordered by a rim of heterophils and histiocytes.
    Lung: The lung of chick 6/29 (slide 4) contains multifocal necrosis that is
    centered on parabronchi. The necrotic foci contain deposits of fibrin, edema, and
    infiltration by many bacteria (bacterial rods) that are occasionally intracellular.
    The necrotic lung tissue is infiltrated by modest numbers of heterophils and fewer
    histiocytes. There is a single focus of necrosis and bacteria in the lung of chick
    7/1 (slide 7); however, several of the pulmonary capillaries are colonized by
    bacteria. Small numbers of bacteria are present in a parabronchus of chick 6/28,
    but these organisms may be postmortem invaders.
    Spleen: Lymphoid tissue in the spleens of chicks 6/29 (slide 5) and 7/1 (slide 7)
    are markedly depleted and accompanied by multifocal deposition of fibrin.
    Multifocal bacterial colonization is also present in the spleen of chick 7/1.
    Liver: Bacteria multifocally colonize the hepatic sinusoids and vasculature of
    chick 7/1 (slide 8). Small foci of hepatocellular degeneration and necrosis are
    scattered randomly throughout the liver of this chick.
    Kidney: Bacteria multifocally colonize the renal vasculature of chick 7/1 (slide 9).
    No significant histologic lesions are identified in sections of heart, trachea,
    esophagus, crop, proventriculus, ventriculus, intestine, or brain.

    It must be something my adults are carrying but their immune systems are strong enough to be asymptomatic. Now to wait some more to find out what kind of bacteria....
     
  7. KYTinpusher

    KYTinpusher Master Enabler

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    I was wondering today if it might be MG. From what I have read, many of the carriers will show no symptoms unless stressed and it can be passed through the egg. Have you had your birds tested for it?
     
  8. lonnyandrinda

    lonnyandrinda Overrun With Chickens

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    That is a possibility. They have not been tested for it. But based on this, I would say no because one of the symptoms is post-mortem lesions and the portion of the labwork I already received said there were no lesions. I guess I will know for sure when the lab sends me the final results, they are closed tomorrow for the holiday but will be open Friday and I'm hoping to hear back on the final results then, although it may be Monday before I get them.
     
  9. atmaclean

    atmaclean Chillin' With My Peeps

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    I hatched 5/6 Isbar chicks from shipped eggs in January of this year. I got 3 roosters (splash, blue, black) and one hen (splash). I did not notice any differences in them and the other chicks I hatched. I add ACV, Nutri Drench and Oxine to their water - every bird I have here gets that in their water. The hen has been laying now for about a month. She lays a green egg that is a different green that my araucana or my americaunas or my EE hens.

    I have been following your posts with much interest and look forward to hearing what final results you get.

    Angela in NC
     
  10. KYTinpusher

    KYTinpusher Master Enabler

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    Just curious, do you add all of those at once, or do you rotate?
     

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