Hens with congestion


Sep 2, 2019
Northern North Dakota
Do you think I should treat them with Tylosin?
SMZ-TMP or bactrim can be useful for treating coryza and a few other diseases, but Tylosin, tetracycline drugs, and a couple of others are more likely to treat mycoplasma gallisepticum (MG, CRD.) If your chickens have a virus, such as infectious bronchitis or others, they won’t respond to SMZ. IB virus lasts about a month and usually grown hens recover.
That would treat MG, and @Wyorp Rock recommended it in post 6. If it is a virus, no antibiotics will help.
Do you have to discard eggs?

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