Scientists have engineered a hybrid mouse with a gene that predates all animal life. The team replaced a single gene in the mouse stem cells with a version from an ancient, single-celled ancestor, and ...

A two-year-old male pet mouse (Fig. 1) and a two-year-old female pet rat (Fig. 2), both diagnosed previously with neoplasia, were presented by different owners. The mouse was kept in a group of three ...

LAF can help you identify husbandry needs before establishing your breeding colony. This lets us develop a colony-specific standard operating procedure (SOP) if necessary. We also can help if ...