J. Anim Sci.
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Journal of Animal Science, Vol 72, Issue 7 1675-1679, Copyright © 1994 by American Society of Animal Science

JOURNAL ARTICLE

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

K. Qi, C. J. Lupton, F. A. Pfeiffer and D. L. Minikhiem
Texas Agricultural Experiment Station, San Angelo 76901.

The Optical Fibre Diameter Analyser (OFDA) instrument is based on automatic image analysis technology and was recently introduced to provide a rapid, accurate measurement of average fiber diameter (AFD) and diameter distribution (SD) of textile fibers. Experiments were conducted with wool and mohair in various physical forms (top, core, and staple) to compare results produced by the OFDA with two other methods of determining fiber diameter parameters: the standard projection microscope (PM) method as described by the American Society for Testing and Materials (ASTM) and the Peyer Texlab FDA 200 System (FDA200). The results show that the OFDA fiber diameter measurements were very closely related to PM measurements, and the OFDA partially overcame one shortcoming of the FDA200, overestimation of SD. The results suggest that the OFDA is a promising system for rapid and accurate evaluation of fiber diameter and its distribution.


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Copyright © 1994 by the American Society of Animal Science.