Why are your guineas faces SO red??
It must be extremely hot there... wow.

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Why are your guineas faces SO red??It must be extremely hot there... wow.
Oh. Well they’re just really red I guessit’s actually freezing cold. Lol
Were the ones who became sick, different ones that became sick earlier the first time? Or were they having the disease symptoms for the first time? Unfortunately, bubbles in an eye and eye swelling with sneezing, are classic signs of mycoplasma gallisepticum (MG.) It is one of the chronic respiratory diseases (CRD,) which means that they always have it, and the symptoms may show up during periods of stress—molting, extreme temperatures, etc. The whole flock should be considered carriers and would probably test positive for the disease, although only some birds will get sick.
MG is considered to be pretty much everywhere in backyard flocks. Not everyone deals with it though, since many chickens seem to have good immunity against respiratory diseases. It is always good to have good coop ventilation overhead, limit dust or any wet conditions that promote mold growth, and prevent ammonia odors from soiled bedding.