共 4 条
[1]
Beckett J. L., 2003, Journal of Dairy Science, V86, P211
[2]
Milton C. T., 1998, KANSAS AGR EXP STATI, V1, P63
[3]
Scheffler JM, 2003, J ANIM SCI, V81, P2395
[4]
Zinn RA, 1999, P W SECT AM SOC ANIM, V50, P306