My advice is raise her temps a few degrees for a month or so to help immune system if she does have a slight RI. Also I would be sure to wash your hands inbetween handling other animals and keeping everything sterile but that should be regular practice regardless. You can sometimes hear my big BCI girl breathing when she gets excited from exercising. As long as you don't see mucous or bubbles or crusty stuff around their mouth or nostrils and they seem to be behaving normal and eating food, I probably wouldn't worry. Just raise the temps like I said and keep a close eye for a couple months. As for breeding her, I would say no, not until you access whether she is just a noisy breather when she gets excited or she does have RI. Most of the time if the RI is slight and you got the husbandry right and raise the temps, their immune system will fight it off. Most RIs start from bad or wrong husbandry.
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