共 9 条
[2]
BOLE JB, 1976, 1975 P ENV CAN TECH
[3]
HOBBS EH, 1970, 1 CAN DEP AGR RES ST
[6]
SURVIVAL OF ESCHERICHIA-COLI AND SALMONELLA-DUBLIN IN SLURRY ON PASTURE AND INFECTIVITY OF S-DUBLIN FOR GRAZING CALVES
[J].
BRITISH VETERINARY JOURNAL,
1971, 127 (11)
:536-&
[7]
TOFFLEMIRE TJ, 1975, J WATER POLLUT CON F, V47, P1344
[8]
Wray C., 1975, Veterinary Bulletin, V45, P543
[9]
1971, STANDARD METHODS EXA