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  • Title: The effectiveness of a microisolator cage system and sentinel mice for controlling and detecting MHV and Sendai virus infections.
    Author: Dillehay DL, Lehner ND, Huerkamp MJ.
    Journal: Lab Anim Sci; 1990 Jul; 40(4):367-70. PubMed ID: 2166862.
    Abstract:
    Experiments were conducted to determine (a) whether BALB/c mice housed on soiled bedding can be used as sentinels for the detection of Sendai virus and MHV from infected mice housed in microisolators, and (b) whether the microisolator caging system protects mice against Sendai virus and MHV infections. Sentinel mice were housed in microisolator cages, exposed continuously to soiled bedding and bled at 21 and 42 days for serology. All sentinel mice were seropositive for MHV by 42 days; however, sentinel mice exposed to soiled bedding were seronegative for Sendai virus at 21 and 42 days. These results suggest that sentinels housed on soiled bedding may not detect all infectious murine viruses. This study also showed that the microisolator caging system provided an effective barrier against MHV infection at the cage level and suggests that the microisolators should protect mice against other infectious agents.
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