Do all chickens with mareks have the discolored eye symptoms?

browning6

Chirping
7 Years
Dec 2, 2012
248
17
93
Winton, California
I have a chicken that is weak and wont stand. It is laying with both feet on the same side. Most of my chickens (40) have come down with the avian pox. I lost a couple already that were young. This rooster has has a resp. issue for over a month. He wheezes and coughs. I assume it is the avian pox. But just to rule out mareks, I looked up some symptoms and the eye discoloration was listed. My roosters eyes still look 100% healthy. Could it still be Mareks?
 

Wyandottes7

Crowing
6 Years
Jul 24, 2013
20,586
1,320
401
I believe that not all birds with Marek's will show discolored/irregular/unresponsive eyes. There are three main types of Mareks: that which affects the nervous system, ocular Mareks, and feather follical Mareks. A bird infected with Mareks might show all three types, or it may only show one. Your bird can have Mareks and not show the strange eyes of an infected bird.
 

browning6

Chirping
7 Years
Dec 2, 2012
248
17
93
Winton, California
I believe that not all birds with Marek's will show discolored/irregular/unresponsive eyes. There are three main types of Mareks: that which affects the nervous system, ocular Mareks, and feather follical Mareks. A bird infected with Mareks might show all three types, or it may only show one. Your bird can have Mareks and not show the strange eyes of an infected bird.
Thank you for sharing your knowledge. Even as readily as info is available on the internet it can be hard to channel all of it together.
 

mithious

Songster
6 Years
May 12, 2013
981
83
158
Great North Woods of New Hampshire
For more info on BYC about mareks, if you use the top search bar and type in marek's in flock, not an emergency, and start at the end of the thread, where it is most active, many others that have mareks in their flocks can help you.

There are actually quite a few more strains of mareks, ocular is just one of them. Marek's is from the herpes virus. If you would like some info from those going through this now, check out that thread and best of luck with your flock...it's hard to have a whole flock down sick!!!
 

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