1[1]Yancy R J Jr,Kinney M L,Roberts B J et al.Ceftiofur sodium,abroad-spectrum cephalosporin: evaluation in vitro and in vivo in mice[J].Am J Vet Res,1987,48 (7): 1050～3
2[2]Salmon S A,Watts J L,Yancey R J Jr.In vitro activity of ceftiofur and its primary metabolite,defuroylceftiofur,against organisms of veterinary importance [J] .J Vet Diagno Invest,1996,8(3): 332～6
3[3]Shryock T R,White D W,Werner C S.Antimicrobial susceptibity of Moraxella bovis [J].Vet Microbiol,1998,61 (4): 305～9
4[4]Salmon S A,Watts J L,Aarestrup F M,et al.Minimum inhibitory concentrations for selected antimicrobial agents organisms isolated from the mammary glands of dairy heifers in New Zealand and Denmark [J].Dairy Sci,1998,81(2) :570～8
5[5]Watts J L,Salmon S A,Yancey R J Jr,et al.Antimicrobial susceptibility of microorganisms isolated from mammary glands of dairy heifers[J].J Dairy Sci,1995,78:1637～1648
6[6]Watts J L,Yancey R J Jr,Salmon S A,et al.A 4-year survey of antimicrobial susceptibility trends for isolated from cattle with bovine rispiratory disease in North America[J].J Clin Microbiol,1994,32 (3): 725～731
7[7]Post K W,Cole N A,Raleigh R H.In vitro antimicrobial susceptibility of Pasteurella haemolytical and Pasteurella multocida recovetred from cattle with bovine respiratory disease complex[J].J Vet Diagn Invest,1991,3(2) :124～6
8[8]Van Duijkeren E,Van Klingeren B,VuIto A G,et al.In vitro susceptibility to antimicrobial drugs of 62 Salmonella strains isolated from horses in the Netherlands [J].Vet Microbiol,1995,45:19～26
9[9]Cervantes C C,Brown M P,Gronwall R,et al.Pharmacokinetics and concentration of ceftiofur sodium in body fluids and endometrium after repeated intramuscular injections in mares [J].Am J Vet Res,1993,54(4) :573～5
10[10]Salmon S A,Watts J L,Case C A,et al.Comparison of MICa of ceftiofur and other antimicrobial agents against bacterial pathogens of swine from the United States Canada,and Denmark [J].J Clin Microbiol,1995,33 (9): 2435～44.
