This thread seems to becoming a neglected orphan, so I'm stepping up.
My flock of fourteen have been lazy and sullen ever since molt began in late August. The days are beginning to lengthen, therefore their hormones may be stirring. Two have begun to lay again. But they are still hanging out in...
As long as you are seeing blood in the stools, it's a sign of possible bacterial infection. Sulfa is the best antibiotic to target this intestinal bacteria.
I believe levamisole is a worming med. Coccidiosis is not caused by worms. Coccidia are single cell protozoa. You need to use a coccidiostat which will block the thiamine that coccidia feed on. The usual treatment is for five days, rest a week, and then treat for five more days to get any new...
These callouses are basically harmless. They can become a bit uncomfortable to walk on if they get too large, and I've been able to mitigate some of the discomfort by trimming the excess tissue with cuticle scissors.
You certainly can soak the feet to soften the callouses, but when I've tried...
This is indeed a callous formation usually caused by walking on hard, rough surfaces such as cement and pavers. Some in my flock have this on their feet since I have the area surrounding the run paved with flat rocks to control the mud situation.
I do notice that these callouses resolve...
I wrote this "how to" for folks like you facing this ghastly situation. https://www.backyardchickens.com/articles/stuck-egg-collapsed-egg-hanging-from-vent-prolapse-oh-my-what-to-do.76124/ There is hope.
You mention that you've been concerned that she may not be getting enough hydration due to the nipple waterers. I would focus on that as her symptoms do follow what we'd see if a chicken is not drinking enough - weakness and unsteady gait. This is treatable. The possible cancer and infection...
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At age five, it's possible she could have a reproductive infection or cancer of the oviduct. These are very common. But there...
https://www.backyardchickens.com/articles/stuck-egg-collapsed-egg-hanging-from-vent-prolapse-oh-my-what-to-do.76124/ In this article I wrote, I discuss the problem of giant double yolk eggs.
Baby chicks can dust bathe practically right out of the egg. But do not mix DE with the dust medium. It's extremely hard on their respiratory systems. Adult chickens, as well. Any advantages just are not worth the risk.
You can use peat moss or fine play sand for dust bathing. Or even fine...
You will be doing the Epsom salt flush two times a day for three straight days. As soon as the solution clears out of the crop, she can be fed.
Encourage her to eat her regular feed. Too much reliance on tube feeding can reduce her ability to feel hunger and want to satisfy it by eating. I'm...
No danger of any liquid getting into the lungs from irrigating the nares. Nares are open all the way from one nare to the other so fluids squirted into one nare will go out the other nare. Use a squeeze bottle, it won't hurt anything. Any antibiotic ointment will work as long as it is free of...
Several separate causes of such feather degradation come to mind. One is depluming mites. Ivermectin can treat them. Another is simple wear and tear approaching molt. If it's summer where you are, these hens may be getting ready to molt. Another cause is feather picking abuse from other...