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History A flock of mixed Sasso and Redbro broiler chickens raised in Pennsylvania and destined for sale to live bird markets experienced respiratory distress and a sudden increase in mortality of 0.17% overnight at 55 days of age. Daily

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in Journal of the American Veterinary Medical Association

and respiratory syndrome virus, and housed 1,000 piglets of 21 to 65 days of age. All piglets are vaccinated with an inactivated vaccine against swine circovirus at 21 and 42 days old, while the sows are not vaccinated against circovirus. The piglets

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in Journal of the American Veterinary Medical Association

respiratory distress. The owner was unable to provide information regarding previous diseases or vaccination history. The patient was from a rural area and had direct contact with 2 more dogs in the house, also chickens, and cattle that were not clinically

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in Journal of the American Veterinary Medical Association

changes in the cow of this report were consistent with respiratory tract infection with M haemolytica . Respiratory tract disease in cattle is extremely common and is reported to cause 30% of all cattle deaths in the United States. 1,2 Risk factors

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in Journal of the American Veterinary Medical Association

History In late March to mid-April 2015, 2 young adult Angus-cross heifers were separately submitted for postmortem examination. Both heifers were from the same beef herd in southern Georgia. In this herd, multiple losses due to respiratory

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in Journal of the American Veterinary Medical Association

adjusted (3.33 mL/kg/h; isotonic electrolyte solution [Plasma-Lyte] with 2.5% dextrose) and the oxygen supplementation was increased (10 L/h). After these adjustments, the calf’s respiratory rate and effort partially improved. An arterial blood gas analysis

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in Journal of the American Veterinary Medical Association

History A 5-month-old approximately 15-kg (33-lb) Anglo-Nubian doe was evaluated because of respiratory distress. Three months earlier, the goat had been transported 800 miles to new owners. The new owners first noted signs of intermittent

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in Journal of the American Veterinary Medical Association

and microscopic lesions in the rat of this report were characteristic of M pulmonis infection. Other differential diagnoses were infection with Corynebacterium kutscherii or chronic infection with cilia-associated respiratory bacillus; however, for

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in Journal of the American Veterinary Medical Association

-negative bacillus, is a commensal organism of the mucosa of the ruminant upper respiratory tract. 1 Bibersteinia trehalosi infection is characterized by a septicemic process that results in acute to peracute respiratory tract disease. 1 As for the lamb of the

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in Journal of the American Veterinary Medical Association

). Airway smooth muscle hyperplasia was also observed, possibly as a consequence of chronic respiratory stress. Chronic and severe obliterating endarteritis of the pulmonary artery was detected, with hyperplasia of the endothelial cells from the intima layer

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in Journal of the American Veterinary Medical Association