Do you keep any rats or anything else with them? I went through a similar deal lost my whole colony to a virus after I brought rats in from someone else. Now everything of mine is direct from the labs, after losing my colonies I redid everything, the old caging was made of wood and it all found its way to the burn pile. I disinfected the whole room and started over with all new caging. First generation, all my rats and mice fresh from the labs, sucked they had skin problems small litters and very little production. Second generation came completely around, they breed like wild fire and no more skin problems etc. So dont give up, I think second or third generation and they’ll come around for ya, but wait till your second litters to pull animals for new breeding stock. Genetically I have always been told first litters are weak. Hope this helps Jason
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Jason & Danica

Have you ever been so close to tragedy Or been close to folks who have..Have you ever felt a pain so powerful so heavy you collapse..I've never had to knock on wood but I know someone who has..Which makes me wonder if I could if I ever had to knock on wood..And I'm glad I havnt yet because I'm sure it isnt good..Thats the Impression that I get. By The Mighty Mighty Bosstones.

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