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Porcine reproductive and respiratory syndrome has been estimated to cost the US swine industry 560 million dollars in losses each year. 1 Results of the same study 1 indicate that 88% of the total cost of PRRSV infections in the United States is

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in American Journal of Veterinary Research

Bibersteinia trehalosi (previously known as Pasteurella trehalosi and Pasteurella haemolytica type T) is a gram-negative bacterial respiratory tract pathogen that causes pneumonia (as well as septicemia) in domestic sheep, goats, and bighorn

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in American Journal of Veterinary Research

kidney cells 16 ) in combination with modified-live infectious bovine rhinotracheitis virus, bovine parainfluenza 3 virus, and bovine respiratory syncytial virus. Inoculation —Five calves were allotted to each of 2 groups. Calves in group 2 were

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in American Journal of Veterinary Research

Respiratory tract disease remains a major problem in the dairy industry. It continues to cause morbidity, death, and economic loss due to pneumonia. According to the USDA National Animal Health Monitoring System, the mortality rate (21% to 24

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in American Journal of Veterinary Research
in American Journal of Veterinary Research

vaccine against common respiratory pathogens of cattle at a time when it was likely that most calves would be immunologically responsive to vaccination and before the calves were moved to a feedlot. Because there was a chance that calves vaccinated via

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in American Journal of Veterinary Research

of the major risk factors for animals with enteritis and pneumonia caused by infectious agents. 5,6 Provision of supplemental vitamin A reduces morbidity or fatalities (or both) in children with measles, 7,8 diarrhea, 6,9 respiratory tract

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in American Journal of Veterinary Research

infected with BVDV. 1 Acute infections with some strains of BVDV may cause immunosuppression and clinical signs of gastrointestinal, reproductive, and respiratory disease. 3,4 Strategies to prevent and control BVDV include quarantine and other biosecurity

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in American Journal of Veterinary Research

product consisting of bovine rhinotracheitis virus, bovine viral diarrhea virus, parainfluenza 3, and bovine respiratory syncytial virus vaccine (modified-live virus) containing Campylobacter fetus, L interrogans serovar canicola, L interrogans serovar

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in American Journal of Veterinary Research

Bovine respiratory disease remains a major cause of death of beef cattle in feedlots, a major cause of production loss, and an economic threat to every segment of the beef production industry. Losses from BRD have persisted for decades despite the

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in American Journal of Veterinary Research