共 12 条
[1]
DAVIS JG, 1975, DAIRY IND INT, V40, P286
[4]
Jasper D. E., 1967, Modern Veterinary Practice, V48, P43
[5]
JOHNSON AH, 1972, FUNDAMENTALS DAIRY C, P1
[6]
Marth E.H., 1978, STANDARD METHODS EXA, V14th ed.
[7]
ELECTRICAL-CONDUCTIVITY OF MILK FOR DETECTION OF SUB-CLINICAL MASTITIS IN COWS - COMPARISON OF VARIOUS METHODS OF HANDLING CONDUCTIVITY DATA WITH USE OF CELL COUNTS AND BACTERIOLOGICAL EXAMINATION
[J].
BRITISH VETERINARY JOURNAL,
1978, 134 (04)
:308-314
[9]
RENNER E, 1972, DTSCH MOLKERIE ZEITU, V3, P71