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Van Keulen J., and Young B.A. Evaluation of acid-insoluble ash as a marker in ruminant digestibility studies. J. Anim. Sci. 44 (1977) 282-287
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(1977)
J. Anim. Sci.
, vol.44
, pp. 282-287
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Van Keulen, J.1
Young, B.A.2
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