Field and laboratory methods for grassland and animal production research / ed. by L. 't Mannetje and R.M. Jones. Mannetje, L. 't Jones, R. M. (Richard M.) Pastures Research. Feed utilization efficiency. SB199 .F44 2000 633.202 21 FIE Replaces Measurement of grassland vegetation and animal production. 1978. Includes bibliographical references and index. New York : CABI Pub., c2000. c2000. 2000 Text xii, 447 p. : http://www.loc.gov/catdir/enhancements/fy0610/00037816-d.html http://www.loc.gov/catdir/enhancements/fy0610/00037816-t.html eng