共 12 条
[6]
Pritchard GC, 2008, VET REC, V163, P688, DOI 10.1136/vr.163.3.86
[7]
SCOTT PR, 2004, BOVINE MED, P204
[8]
Factors associated with shedding of Cryptosporidium parvum versus Cryptosporidium bovis among dairy cattle in New York State
[J].
JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION,
2006, 229 (10)
:1623-1626