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Necropsy manual: Examining organs (II)

In the fifth installment of the manual we address the examination of the organs of the abdominal cavity.

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Figure 1. Left: A pig with healthy turbinates where the nose is the first filter to combat the entry of respiratory pathogens. Right: turbinates affected by non-progressive atrophic rhinitis. The snout twists, shrinks and wrinkles. Piglets show sometimes even nasal bleeding.

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The role of non-progressive atrophic rhinitis: Looking beyond the snout

How do turbinate atrophy and the effect on cilia caused by B. bronchiseptica affect the incidence of S. suis and porcine respiratory disease complex?

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Figure 1. A pig’s nose demonstrating the classical lesions associated with vesicular disease including Foot and Mouth Disease. In this case the two vesicle have ruptured.

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Laboratory diagnostics: Foot and mouth disease (FMD)

What laboratory diagnostic methods can I use to diagnose FMD? Which one should I choose according to the situation? How do I interpret the results?

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Figure 1: Typical necro hemorrhagic lung lesions associated with characteristic APP infection. Source: ISU-VDPAM.

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Laboratory diagnostics: Actinobacillus pleuropneumoniae (APP)

What laboratory diagnostic methods can I use to APP? Which one should I choose according to the situation? How do I interpret the results?

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Figure 1. PED IHC staining of infected small intestine. Source: Iowa State University VDL.

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Laboratory diagnostics: Porcine epidemic diarrhea (PED)

What laboratory diagnostic methods can I use to diagnose PED? Which one should I choose according to the situation? How do I interpret the results?

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Vili atrophy due to rotavirus. From: Swine Diseases by Perle Zhitnitskiy, DVM, MSpVM. Photo source: Dr. Carlos Pijoan https://creativecommons.org/licenses/by-nc/4.0/

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Laboratory diagnostics: Rotavirus

What laboratory diagnostic methods can I use to diagnose rotavirus? Which one should I choose according to the situation? How do I interpret the results?

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Graph 1. The food chain from primary production to the end consumer's table.

Facilities-Equipment Article

The feed mill faced with health challenges in pig production

Today's swine industry depends on a supply of properly balanced feed, the quality and safety of which are critical to pig health, welfare, and maximum productive performance.

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Figure 1. Petri dishes cultures on blood agar demonstrating alpha, beta, and gamma hemolysis. Source: Mibilehr https://creativecommons.org/licenses/by-sa/4.0/deed.ene

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Laboratory diagnostics: Swine dysentery (Brachyspira hyodysenteriae)

What laboratory diagnostic methods can I use to diagnose swine dysentery? Which one should I choose according to the situation? How do I interpret the results?

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Pulmonary lesions at the slaughterhouse: how to evaluate them

Collecting data at the slaughterhouse is a common method to obtain information on health and productive parameters, mainly from the last weeks of a pig’s life.

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Figure 1. Cranioventral lung consolidation often found in uncomplicated influenza A infections. These lesions are similar to those caused by Mycoplasma hyopneumoniae.

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Laboratory diagnostics: Influenza A virus (IAV)

What laboratory diagnostic methods can I use to diagnose influenza A? Which one should I choose according to the situation? How do I interpret the results?

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LAMP: A simple, rapid, inexpensive alternative to PCR?

With a sensitivity and specificity comparable to that of PCR, LAMP reaction can be done on-site in the field for practical “Point-of-Care” results with minimal waiting.

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European Pharmacopoeia method of assessing the turbinate lesions

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Laboratory diagnostics: Atrophic rhinitis

What laboratory diagnostic methods can I use to diagnose atrophic rhinitis? Which one should I choose according to the situation? How do I interpret the results?

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