共 92 条
[21]
FOX L K, 1985, Journal of Dairy Science, V68, P202
[23]
THE EFFICACY OF TEAT DIPS OF DIFFERING PERSISTENCE ON TEAT SKIN IN PREVENTING INTRA-MAMMARY INFECTION BY STREPTOCOCCUS-UBERIS AND ESCHERICHIA-COLI IN DRY COWS
[J].
BRITISH VETERINARY JOURNAL,
1980, 136 (06)
:574-579
[25]
JENSEN DL, 1981, AM J VET RES, V42, P743
[26]
JENSEN DL, 1977, THESIS PENNSYLVANIA
[28]
Lascelles A. K., 1978, Anderson, R. R. : Lactation. A comprehensive treatise. Vol. IV., P115
[29]
LINDE C, 1975, INT DAIRY FED B, V85, P391
[30]
Lintner T. J., 1983, Journal of Dairy Science, V66, P209