共 12 条
[2]
EHRLEIN HJ, 1979, ANN RECH VET, V10, P173
[6]
MCBRIDE BW, 1983, OBSERVATIONS PARTICL
[7]
MCBRIDE BW, 1983, ENDOSCOPIC OBSERVATI
[9]
REID C S W, 1977, Proceedings of the New Zealand Society of Animal Production, V37, P173
[10]
SMITH LW, 1967, J DAIRY SCI, V50, P990