Pneumonia in a calf caused by Mycoplasma bovis

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We received samples from a 11-month-old carcass of a Asturiana de los Valles breed calf. The lung showed nodules from 0,5 cm to 2 cm in diameter, with caseous content at the cut surface, that were distributed craneo-ventrally in the apical and caudal lobes. Also, scant similar nodules showing similar appearance could be seen in the parietal pleura. (more…)

What is your diagnosis? (98)

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At the end of the post you can vote for the right diagnosis!  (more…)

Infectious sinusitis of turkeys (Mycoplasma gallisepticum)

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A flock of turkeys arrives at the slaughterhouse, presenting 30% of the animals affected with a respiratory process localized within the upper respiratory tract. The animals showed a severe sinusitis of the infraorbital sinuses accompanied by facial edema, conjunctivitis and nasal discharge. (more…)

Pyogranulomatous lymphadenitis due to Pasteurella pneumotropica in a cow

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In a 15-year-old cross-bred cow, a unilateral increase in the size of the retropharyngeal and prescapular lymph nodes is observed. Upon section yellowish and slightly mineralized lesions generated a suspicion of bovine tuberculosis. (more…)

Nontuberculous tuberculous lesions in a calf

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Multiple granulomatous lesions in the mesenteric lymph nodes were observed in an 11-month-old cross-bred calf. (more…)

What is your diagnosis? (97)

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At the end of the post you can vote for the right diagnosis!  (more…)

E. coli pyelonephritis in a pig carcass

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Samples of kidney from a porcine carcass were submitted from a hybrid male, 6 months old. The meat inspectors realized that besides the cortical lesion, showing whitish areas surrounded by a hemorrhagic halo, the renal pelvis was dilated. (more…)

What is your diagnosis? (96)

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At the end of the post you can vote for the right diagnosis!  (more…)

E. coli septicemia in broiler carcasses

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A total of 11 and 52 broiler carcasses were condemned in two consecutive batches, coming from the same farm. All of them showed different combinations of the following lesions: fibrinous coelomitis, multifocal necrotizing hepatitis, nephritis and renal hemorrhages, pericarditis, pneumonia, cutaneous lesions, cellulitis, and arthritis. (more…)

The invisible zoonosis (I): Salmonella in pig meat

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Salmonella is a major foodborne pathogen worldwide. A total of 91,857 cases of salmonellosis were reported in the European Union during 2019 (EFSA 2019), of which 8,730 were registered in Spain. (more…)

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