Evaluation of the optical fibre diameter analyser (OFDA) for measuring fiber diameter parameters of sheep and goats.

The Optical Fibre Diameter Analyser (OFDA) instrument is based on automatic image analysis technology and was recently introduced toprovide a rapid, accurate measurement of average fiber diameter (AFD) and diameter distribution (SD ) of textile fibers. Experiments were conducted withwool and mohair in various physical forms (top, core, and staple) to compare results produced by the OFDA with two other methods of determining fiber diameterparameters: the standard projection microscope ( PM)K