Page 2 of articles about streptococcus in Articles

Transmission of swine pathogens: a practical perspective

Pathogens that are transmitted mostly through direct, pig to pig, contact are generally contained with today’s biosecurity programs and pig flow strategies. However, pathogens using multiple routes of transmission seem to evade standard biosecurity programs.

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Right lung of a pig. Chronic ventro-cranial pleuritis involving the cardiac lobe and the cranial part of the diaphragmatic lobe.

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Evaluation of pig pleuritis at the slaughterhouse

The abattoir is a useful endpoint to collect data on herd health status and a valuable tool for monitoring the effect of disease control measures.

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PRRSV: Interaction with other respiratory pathogens

PRRSV by itself may induce mild-to-severe respiratory disease but rarely results in mortality.

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Streptococcus suis - Zoonotic epidemic in Asia

Currently, the human risk factors associated with S. suis infection are: 1) Eating raw/undercooked pork meat, 2) Being a farm worker with hog contact or 3) Butchers. To date, there is no evidence of human-to-human transmission of S. suis.

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Diagnosis of Porcine Respiratory and Reproductive Syndrome

In reproductive disease, submission of several whole affected litters is advisable to provide material for diagnosis of PRRSV and other diseases causing reproductive or neonatal problems.

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Diagnosis of skin diseases (2/2)

You might also say that there are a variety of conditions which occur to the skin because it is a limiting membrane surrounding the pig’s organs.

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Differential diagnosis of nervous diseases in the pig

In the diagnosis of nervous conditions it is difficult to establish initially, whether the problems lie in the bones, joints, muscles, or tendons or nerves. We should rule out anatomical or pathological problems in the former four systems before we assume we are dealing with nervous system problems.

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Etiology. What is Glässer’s disease of swine?

H. parasuis is a gram-negative bacillus of small size, which belongs to the Pasteurellaceae family. The group characterized by fibrinous polyserositis and fibrinous arthritis became known as Glässer’s disease.

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Biosecurity measures to prevent pig farms being infected by wild animals

Wild animals which may spread infection between farms include wild pigs, birds, flies, rats and mice.

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Biosecurity II. Biosecurity measures based on the epidemiology of individual infections

Pathogens which are highly infectious and only require small doses to establish infection in susceptible pigs and/or those which are able to survive environmentally for relatively long periods can be spread from farm to farm as fomites

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Diseases in Europe (2 of 2)

There are consistent strains of Streptococcus suis usually types 1 and 2 across Europe but the other strains vary from country to country.

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NutritionArticle

Dietary fibre as microflora modulator in pigs

Certain species of the resident bacteria are known to provide benefits to the host. These are the lactic acid producing bacteria (LAB), which include the Lactobacilli, Bifidobacteria, members of the Streptococci, and several other species. The amount and composition of substances reaching the large intestine can be readily modified by diet and, in terms of bacterial substrates, it is the fermentable substrate such as oligosaccharides, starches and non starch polysaccharides (NSP) which are most important.

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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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PRRS: Etiology and clinical manifestation

Scott Dee, the prestigious American veterinarian who is known worldwide for his research on the PRRS virus, will be in charge of this section which is dedicated exclusively to the PRRS disease. Every month a new article will be published related to subjects such as etiology and clinical signs, transmission routes, diagnostic testing methods, biosecurity or control and eradication.