Serology: Kilham Rat Virus (KRV), Toolan’s H-1 Parvovirus (H-1), Pneumocystis carinii (PCAR), Rat Coronavirus (SDAV/RCV), Rat Minute Virus (RMV), Rat Parvovirus (RPV), Rat Theilovirus (RTV), Cilia-Associated Respiratory Bacillus (CARB), Lymphocytic Choriomeningitis Virus (LCMV), Mouse AdeNovirus-1 (MAV-FL, MAV-1), Mycoplasma pulmonis, (MPUL), Pneumonia Virus of Mice (PVM), Respiratory Enteric Virus III (REO), Sendai Virus (SEV). Fecal PCR: Helicobacter (HELICO), Pinworms (PIN), Klebsiella oxytoca (KOXY), Klebsiella pneumoniae (KPNE), Pseudomonas aerugiNosa (PAER), Salmonella spp. (SALM), Spironucleus muris (SMUR), Cryptosporidium (CRYP), Giardia (GIAR), Entamoeba muris (EMUR). Oral PCR: Rodentibacter pneumotropica (RPNEU), Rodentibacter heylii (RHEYL), Bordetella bronchiseptica (BBRO),Corynebacterium kutscheri (CKUT), Streptococcus spp. Beta-Hemolytic (SBETA), Streptobacillus moniliformis (SMONI). Skin PCR: Fur mites (FUR).