New backyard flock; one hen, worried about CRD...help?

[HenSpa]

Had my girls about a week and a half. Tough day today; lost one to dog. Went out to watch my survivors in coop to calm down, and am now worried about my Sussex pullet. She sounded strange/different from the beginning. As in different sounds than others, but now worse. I realize now that a chicken cold is not an option, so I'm a little worried about her and my others. Symptoms: sleepy eyes, coughing, sneezing, congested sounding, clear nasal discharge, snores with open mouth when sleeping (which is often). What should my first-course of action be? Isolation and vet?

 

[HenSpa]

I've ordered some doxycycline antiobiotic, some vita-Pro-B (vitamins/electrolytes), and Oxine to spray coop with and put in water. I'm trying to self-educate (new at this at one & a half weeks), but still concerned about anything spreading. When do you cull, and when do you try to save? I'm already messed up about losing the one to dog today; would hate to lose another,...but sure would hate for all to get sick, possibly lose all. Advice from chicken sages?

 

[Guinea Goonie]

If you can not cull the birds, ISOLATE them immediately.

Keep them in a seperate pen and better yet building.

Give them starter and water with a small amount of oxytetracycline, go sparingly with this.

If they are not better in a few days, cull them. Have a friend do it if you can not.

Good luck. I have ONE polish hen in isolation and she is getting better, yet if she is not well in a few days, she has to go. I had a rather bad out break of some upper respiratory desease, about 10 of my birds got it, mostly the polish.

I fear that they are now all carriers and any bird I put in the flock will get this. I will let you know, because I am going to be forced to do this in a few weeks. The nursery birds are getting very big and I have 22 chicks waiting in the kitchen for the nursery.

The nursery is an enclosed portable with fans, heat lamps, oil/electrc heater and is sectioned off for the various type of birds I am raising. It is completely pedator proof and located near the house far from the chicken barn.

It is just not home without chicks in the kitchen.
I have an incubator full now too since the hens are laying steady and seem very happy.

 

[HenSpa]

Okay...got the oxytetracycline. Thanks for the advice. Will isolate the bird and administer to all. She looks better today, is curious about me, seems hungry and clear-eyed.

Let me ask you this: is it possible that my bird just has funny sounds? My Australorps sound different; coo differently than other birds. The pullet, the one I think is sick, is a Sussex hen. Part of me hopes that she just has a different sound, too. Wishful thinking?

Like I said, new to this. So forgive any stupid questions...