Mark R Ackermann,Rachel Derscheid,James A Roth
Mark R Ackermann
There are a variety of factors and conditions that predispose cattle to pneumonia. Cattle have anatomic and cellular differences from humans and other species and are managed in groups/herds, all of which can increase susceptibility to micr...
Roger J Panciera,Anthony W Confer
Roger J Panciera
Pneumonia is a major cause of death and economic losses to the cattle industry. Recognizing the patterns of pneumonic lesions and understanding the pathogenesis of the various types of pneumonia are important for correct diagnosis and inter...
Vickie L Cooper,Bruce W Brodersen
Vickie L Cooper
D Scott McVey,Jishu Shi
D Scott McVey
Well-designed immunization programs have an important role in the control of disease outbreaks in cattle. The success of these immunization programs depends on the coordinated and effective use of an efficacious vaccine along with other req...
N James Maclachlan
N James Maclachlan
The recent emergence of bluetongue virus (BTV) infection has attracted much interest because of the potential role of climate change and increased ambient temperature in causing the drastic recent alteration in the global distribution of th...
Hana Van Campen,Jack Rhyan
Hana Van Campen
Wildlife serves as a source and a target for some infectious diseases of cattle. This article covers characteristics of the pathogens, Brucella abortus, Mycobacterium bovis, and bovine viral diarrhea virus; host species behavior; and extern...
Mélanie J Boileau,Sanjay Kapil
Mélanie J Boileau
Bovine coronaviruses, like other animal coronaviruses, have a predilection for intestinal and respiratory tracts. The viruses responsible for enteric and respiratory symptoms are closely related antigenically and genetically. Only 4 bovine ...
Julia F Ridpath
Julia F Ridpath
Despite the success of regional bovine viral diarrhea viruses (BVDV) eradication programs, infections remain a source of economic loss for producers. The wide variation among BVDV results in differences in genotype, biotype, virulence, and ...
Carol R Wyatt,Michael W Riggs,Ronald Fayer
Carol R Wyatt
Cryptosporidiosis in calves is an ongoing problem, primarily because of the high prevalence and high morbidity associated with the infection. This article summarizes current knowledge of the host/parasite interactions associated with crypto...
Antimicrobial resistance in bovine respiratory disease pathogens: measures, trends, and impact on efficacy [0.03%]
牛呼吸系统疾病病原体的抗微生物药物耐药性：措施、趋势及其对疗效的影响
Jeffrey L Watts,Michael T Sweeney
Jeffrey L Watts
The introduction of newer antimicrobial agents over the past two decades has dramatically improved the treatment of bovine respiratory disease (BRD). In the same time period, the implementation of standardized susceptibility test methods an...