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Blackleg (disease) Bovicola bovis; Bovine adenovirus; Bovine coronavirus; Bovine gammaherpesvirus 4; Bovine alphaherpesvirus 5; Bovine leukemia virus; Bovine malignant catarrhal fever; Bovine papillomavirus; Bovine papular stomatitis; Bovine progressive degenerative myeloencephalopathy; Bovine respiratory disease; Bovine respiratory syncytial virus
S. bovis is commonly found in the alimentary tract of cattle, sheep, and other ruminants, [9] and may cause ruminal acidosis. [10] [11] It is also associated with spontaneous bacterial peritonitis, a frequent complication occurring in patients affected by cirrhosis. [12] Equivalence with Streptococcus equinus has been contested. [4]
Bovine respiratory disease (BRD) is the most common and economically devastating infectious disease affecting beef cattle in the world. [1] It is a complex, bacterial or viral infection that causes pneumonia in calves which can be fatal. It also affects many other species of feedlot animals like sheep and pigs, but is most prominent in calves. [2]
Every orthopneumovirus is characterized as host-specific, and has a range of diseases involved with respiratory illness. Orthopneumoviruses can cause diseases that range from a less-severe upper-respiratory illness to severe bronchiolitis or pneumonia. Orthopneumoviruses are found among sheep, cows, and most importantly humans.
Bovine respiratory syncytial virus (BRSV) is pneumovirus closely related to human respiratory syncytial virus (RSV) that is a common cause of respiratory disease in cattle, particularly calves. It is a negative-sense , single-stranded RNA virus that replicates in the cytoplasm of the cell. [ 1 ]
[2] [3] The causative agent, bovine viral diarrhea virus (BVDV), is a member of the genus Pestivirus of the family Flaviviridae. [1] BVD infection results in a wide variety of clinical signs, due to its immunosuppressive effects, [4] as well as having a direct effect on respiratory disease and fertility. [5]
Mycoplasma bovis causes a constellation of diseases, including mastitis in dairy cows, arthritis in cows and calves, pneumonia in calves, and various other diseases likely including late-term abortion. Not all infected cows get sick – some shed the disease without becoming ill, allowing for transmission between farms if apparently healthy ...
Bovine gammaherpesvirus 4 (BoHV-4) is a member of the Herpesviridae family. It is part of the subfamily Gammaherpesvirinae and genus Rhadinovirus. [1] Infection is normally sub-clinical but can cause reproductive disease in cattle such as endometritis, vulvovaginitis and mastitis. Transmission is both vertical and horizontal.