A statistical evaluation of several coding systems used to determine the degree of infestation of the shaft louse, Menopon Gallinae (Linn.) on chickens

Harshbarger, John C.2026-02-202026-02-201959https://hdl.handle.net/10919/14135734 leavesapplication/pdfenIn CopyrightLD5655.V855 1959.H377Chickens -- Diseases and pestsLiceA statistical evaluation of several coding systems used to determine the degree of infestation of the shaft louse, Menopon Gallinae (Linn.) on chickensThesis