共 18 条
[1]
DICKINSON A. G., 1960, JOUR AGRIC SCI, V54, P378, DOI 10.1017/S0021859600021328
[4]
FRAPE DL, 1959, J ANIM SCI, V18, P1429
[5]
HENRY Y, 1968, 2ND P WLD C AN PROD
[8]
LEIBBRANDT VD, 1970, J ANIM SCI, V31, P1024
[9]
LIKUSKI H. J. A., 1961, CANADIAN JOUR ANIMAL SCI, V41, P89