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DebMorgan65

Suspected Marek's/Introducing New Hens

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I had 3 Gingernut Rangers from Omlet. They were about 2 1/2 years old this past summer when one developed symptoms consistent with Marek's Disease (limping then paralysis, blindness, weight loss, diarrhea). We had her pts; the necropsy did not determine cause of death (our vet can only do a gross necropsy, rather than a microscopic one) but the vet agreed it appeared to be MD. A second hen became sick while I was still still nursing the one with MD. She was fine in the morning, sounded very congested in the late afternoon, and was dead in the coop by the next morning. The third hen is still (apparently) healthy, and laying normally.

Question: I would love to get new hens in the spring. By that time it will be 7-8 months since the other two hens died. I will have to house them with the third hen. Is it safe to introduce new birds at that time, or do I need to be concerned that my older hen is a carrier for MD and will infect the new girls?

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Sorry to hear about the problems you have been having, and the loss of your hens. I am no expert, but I would have thought that your girls might have been a bit too old for Marek's to be the cause of their deaths.

 

One of my 12 month old bantams was exhibiting what I thought were signs of Marek's, but when I took her to my avian specialist vet he said that Marek's was near the bottom of his list of possible diagnoses in view of her age. He eventually diagnosed a brain tumour or stroke as the problem, and she was PTS.

 

Your girls' symptoms sound different too - did the vet do a PM on the second girl?

 

Difficult to advise about introducing new girls without knowing for sure one way or the other about Marek's. :(

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I agree with Egluntyne.

 

IF it was Marek's, then it is in the background of most flocks (it's a lurking herpes virus) and only really rears its head when hen is poorly, elderly or going through a particularly bad moult. It will always be there so you will need to be careful to avoid any stress amongst your new flock.

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