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...
Moraxella bovoculi and infectious bovine keratoconjunctivitis: cause or coincidence? [0.03%]
莫氏玻璃芽孢杆菌与牛传染性角结膜炎的关系：因果还是巧合？
John A Angelos
John A Angelos
Moraxella bovoculi is a recently described gram-negative coccus that was isolated from eyes of calves with infectious bovine keratoconjunctivitis (IBK, or "pinkeye") in 2002. This organism probably has been associated with IBK for many year...
Bovine pasteurellosis and other bacterial infections of the respiratory tract [0.03%]
牛巴氏杆菌病及其他呼吸道细菌感染
Dee Griffin
Dee Griffin
Despite technological, biologic, and pharmacologic advances the bacterial component of the bovine respiratory disease (BRD) complex continues to have a major adverse effect on the health and wellbeing of stocker and feeder cattle. Overlooke...
Rodney A Moxley,David R Smith
Rodney A Moxley
Diarrheagenic Escherichia coli are now broadly placed into 6 classes based on virulence mechanisms. One of these classes, enterotoxigenic E coli, is the most common cause of diarrhea in beef and dairy calves in the first 4 days of life. Two...
Bovine brucellosis [0.03%]
牛布鲁菌病
Steven Olsen,Fred Tatum
Steven Olsen
Infection of cattle caused by Brucella abortus (ie, bovine brucellosis) has been of political importance in the United States for many decades. The most common clinical manifestation of brucellosis in natural hosts is reproductive loss resu...