共 31 条
[1]
Blowey R, 1997, IN PRACTICE, V19, P122
[2]
Bowell VA, 2003, ANIM WELFARE, V12, P547
[3]
COOK NB, 2004, MASTITIS MILK QUALIT
[4]
De Rosa G, 2003, ANIM WELFARE, V12, P625
[5]
DINSMORE RP, 1992, J DAIRY SCI, V75, P2706, DOI 10.3168/jds.S0022-0302(92)78032-1
[6]
Edmondson PW, 2003, VET REC, V153, P127
[7]
ELLIS KA, 2005, THESIS U LIVERPOOL U
[8]
Ersboll A., 2004, Introduction to Veterinary Epidemiology, P251
[10]
Grove-White D, 2004, IN PRACTICE, V26, P88