Page 5 of articles about PCV2 in Articles

Immunology against PCV2: What difference is there between a subclinically affected animal and an animal with porcine circovirus?

Pigs that are not affected by the disease tend to have a quantity of sero-neutralizing (and also total) antibodies against PCV2, which is significantly greater than those that cause disease

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Diagnosis of porcine circovirus: individual and farm criteria

The aim of this article is to discuss those differentiating topics which are relevant from a practical point of view and which in some way elude the disease's definition.

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HealthArticle

Clinical signs and autopsy findings: can porcine circovirus be diagnosed on the farm?

The autopsy is always an important diagnostic element for the majority of diseases, and this is the same for porcine circovirosis.

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Article

Controlling finisher PCV2 mortality: vaccination results (2/2)

Control of PCV2 infections are increasingly through piglet vaccination now that global supplies are increasing.

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Article

Controlling finisher PCV2 mortality: infection dynamics (1/2)

Porcine circovirus type 2 (PCV2) infections can be extremely costly causing wasting and increases in mortality.

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Epidemiology and transmission of PCV2 and of porcine circovirus

It is assumed that the most probable route of PCV2 transmission is the oronasal tract, which would indicate that horizontal transmission (sow-piglet or piglet-piglet) is a frequent or very frequent occurence

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Article

Current sanitary problems in the United States

The focus of swine production in the USA has changed over the last five years. Many businesses in the sector have made radical changes in management both from the reproductive and the sanitary point of view.

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Article

Production factors associated with coughing and pneumonia in pigs

In the first of this series of articles on respiratory disease in pigs, the causes of coughing were reviewed. This second article reviews the production factors that are associated with respiratory disease.

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Etiology: porcine circovirus type 2 (PCV2)... where is "agent X"?

Porcine circovirus type 2 is a viral agent with a relatively simple structural organization of which there are two distinct genotypes (1 and 2), it is not clear if they have similar virulence. Since some years ago there has been a hypothesis developing that there exists an “agent X” that would play a role as a trigger factor of the disease in 100% of cases.

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Article

Diseases in Europe (1 of 2)

Overall, the disease situation in Europe is very similar although there are some countries that have a problem with certain diseases that others do not have

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History and controversy of disease

Joaquim Segalés, professor at the Universitat Autònoma de Barcelona and researcher at the Centre de Recerca en Sanitat Animal (CReSA) (research centre for animal health), was one of the first researchers to discover PMWS and PDNS in Spain. He will be in charge of this section where every month articles will be published on the latest themes, especially from a practical point of view. These themes will include etiology, patogenicity, epidemiology, diagnostic, treatment and prevention of porcine circovirus-associated diseases. A possible hypothesis will also be presented on the emergence of porcine circovirus on a worldwide level.

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HealthArticle

What causes coughing in pigs?

Any factor that irritates or inflames the respiratory system will elicit the physiological response of either sneezing or coughing or both. Although alarming and indicative of disease, coughing is at least a sign that normal physiological responses are taking place and should not in isolation be necessarily seen as a bad thing. We may have sudden or generalized outbreaks of coughing as well as a constant coughing in pig groups. There are infectious pathogenic agents that are normally associated with coughing or laboured breathing in pigs such as Actinobacillus, Bordetella, Haemophilus, Pasteurella Streptococcus, Mycoplasma, SIV, PRRSV or PCV2.

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NutritionArticle

Plasma prevents and reduces E. coli diarrhoea in piglets

One of the main properties of dietary plasma is a substantial stimulation of feed intake after weaning (25%!). Many experiments demonstrated that a high feed intake after weaning prevents intestinal damage (villus atrophy).