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Sunday, August 9, 2020 | History

2 edition of Equine and bovine streptococci as casual agents of human infections found in the catalog.

Equine and bovine streptococci as casual agents of human infections

Albert J. Chalmers

Equine and bovine streptococci as casual agents of human infections

by Albert J. Chalmers

  • 54 Want to read
  • 16 Currently reading

Published by John Bale Sons & Danielsson in London .
Written in English

    Subjects:
  • Streptococcus equi.,
  • Streptococcal infections.,
  • Cattle -- Infections.,
  • Streptococcus.

  • Edition Notes

    Statementby Albert J. Chalmers and Alexander Marshall.
    ContributionsMarshall, Alexander.
    The Physical Object
    Pagination6p. ;
    ID Numbers
    Open LibraryOL18581689M

    Streptococcus is a genus of Gram-positive coccus (plural cocci) or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Firmicutes. Cell division in streptococci occurs along a single axis, so as they grow, they tend to form pairs or chains that may appear bent or twisted.. (Contrast with that of staphylococci Class: Bacilli. Noninfectious respiratory disease is a common, performance-limiting condition that affects adult horses of various ages. Inflammatory airway disease is characterized by excessive tracheal mucus, airway hyperreactivity, and poor exercise performance in young horses. The etiology is unclear, but viral respiratory infection (EHV-2), allergy, and environmental factors may play a role in the.

      Detection and typing of bovine mastitis pathogens are currently limited by time-consuming and culture-based techniques. In this work, a novel genus-specific DNA marker for Streptococcus and species-specific DNA markers for the prevalent mastitis pathogens Streptococcus agalactiae and Streptococcus uberis were designed and assessed. In order to enable further discrimination of these Cited by: Start studying Equine upper respiratory tract infections. Learn vocabulary, terms, and more with flashcards, games, and other study tools. equi subspecies equi is a normal inhabitant of the equine respiratory tract and does not require preceding viral infections for colonization and infection - infection with other Streptococci - after.

      On Ma , Public Health—Seattle & King County in Washington was notified of two persons who received a diagnosis of Streptococcus equi subspecies zooepidemicus (S. zooepidemicus) infections.S. zooepidemicus is a zoonotic pathogen that rarely causes human illness and is usually associated with consuming unpasteurized dairy products or with direct horse contact (1).Cited by: 3. 1. Bovine respiratory synctitial virus infections results in cranioventral pattern of bronchointerstitial pneumonia 2. Actinobacillus pleuropneumonia and suis --> middle and caudal lobes 3. Dogs and cats can get patchy distribution.


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Equine and bovine streptococci as casual agents of human infections by Albert J. Chalmers Download PDF EPUB FB2

Bacterial isolates from equine infections in western Canada (). Can Vet J ;– CDC. Wash your hands. Atlanta, GA: US Department of Health and Human Services, CDC; Citation: Kawakami V, Rietberg K, Lipton B, et al.

Notes from the Field. Fatal Infection Associated with Equine Exposure — King County, Washington, Streptococcus equinus is a Gram-positive, nonhemolytic, nonpathogenic, lactic acid bacterium of the genus Streptococcus.

It is the principal Streptococcus found in the alimentary canal of a horse, and makes up the majority of the bacterial flora in horse feces. equinus is seldom found in humans.

Equivalence with Streptococcus bovis has been : Bacilli. Streptococcus equi subspecies zooepidemicus (S. zooepidemicus) is a zoonotic pathogen for persons in contact with horses, S. zooepidemicus is an opportunistic pathogen, but human infections associated with S.

zooepidemicus are often severe. Within 6 months in3 unrelated cases of severe, disseminated S. zooepidemicus infection occurred in men working with horses in eastern Cited by: Restriction endonuclease analysis of human and bovine group B streptococci for epidemiologic study.

J Clin Microbiol. Jun; 27 (6)– [PMC free article] Aarestrup FM, Wegener HC, Rosdahl VT. Evaluation of phenotypic and genotypic methods for epidemiological typing of Staphylococcus aureus isolates from bovine mastitis in by: Streptococcus equi subspecies zooepidemicus Infections in Humans by Zoonotic Transmission from Horses Page 4 of 4 July virulence.

For example, the M1 strains are the most pathogenic. The sequence variants of the SzP protein gene in S. zooepidemicus could not be correlated with clinical features in horses in a study by Walker and Runyan. The pathogenic equine streptococci Article Literature Review in Veterinary Research 35(4) July with 68 Reads How we measure 'reads'Author: John Timoney.

Molecular typing methods showed that human and equine isolates were identical or closely related. These results emphasize that S. zooepidemicus transmitted from horses can lead to severe infections in humans. As leisure and professional equine sports continue to grow, this infection should be recognized as an emerging by: Streptococcus agalactiae is an emerging pathogen of nonpregnant human adults worldwide and a reemerging pathogen of dairy cattle in parts of Europe.

To learn more about interspecies transmission of this bacterium, we compared contemporaneously collected isolates from humans and cattle in Finland and Sweden.

Multilocus sequence typing identified 5 sequence types (STs) (ST1, 8, 12, 23, and Streptococcus equi Infections in Horses: Guidelines for Treatment, Control, and Prevention of Strangles Corinne R. Sweeney, John F. Timoney, J.

Richard Newton, and Melissa T. Hines Disease caused by Streptococcus equi infection in hors-es, commonly referred to as strangles, was described in early veterinary science literature and first reported byFile Size: 74KB. Although members of the normal flora, they are considered the most important β-hemolytic streptococci involved in lesions in pigs, and these agents were judged to be of etiologic significance in autopsy reports.

These streptococci are common in nasal and throat. Streptococcus pyogenes is a rare agent of mastitis in cattle and lymphangitis in foals but is an important human pathogen causing serious respiratory and soft tissue infections. These include necrotizing fasciitis and toxic shock-like syndrome.

Streptococcus agalactiae is an obligate parasite of the mammary gland of cattle and a well-known agent of chronic contagious mastitis. The pathogenic equine streptococci. Vet Res. ;– /vetres Laus F, Preziuso S, Spaterna A, Beribe F, Tesei B, Cuteri V. Clinical and epidemiological investigation of chronic upper respiratory diseases caused by beta-haemolytic streptococci in horses.

Other less common, largely sporadic, streptococcal infections are summarized as follows. Sporadic infections occasionally are caused by Streptococcus equisimilis. This beta-hemolytic streptococcus and a few others sometimes cause arthritis, septicemia or meningitis in young pigs, complicate other disease processes, or may contribute to cases of.

Bacterial infections typically cause a fever and lethargy. Cleanliness practices around the barn are key to keeping bacteria from spreading.

It is a good idea for each horse to have their own supplies and grooming tools to prevent spreading germs in stables where many horses from different owners are living together.

Streptococcus equi subspecies zooepidemicus (S. zooepidemicus) is a zoonotic pathogen for persons in contact with horses. In horses, S. zooepidemicus is an opportunistic pathogen, but human infections associated with S.

zooepidemicus are often severe. Within 6 months in3 unrelated cases of severe, disseminated S. zooepidemicus infection occurred in men working with horses in eastern. Streptococcus equi Infections in Horses: Guidelines for Treatment, Control, and Prevention of Strangles—Revised Consensus Statement A.G.

Boyle Corresponding AuthorCited by: Serious infections with group C streptococci are uncommon in humans. Of the four species in this group, Streptococcus equisimilis has most frequently been reported to cause infections in humans.

Virulence of 10 human and 10 bovine isolates (5 type II and 5 type III of each origin) of group B streptococci (GBS) was measured in two experimental mouse models.

In the first model, mice were intraperitoneally (i.p.) infected, and the 50% lethal doses (LD50) were significantly lower for human isolates than for bovine isolates. In the second model, abortion and lethality were recorded for Author: Bernard Poutrel, Pascal Rainard, Yannick Lautrou.

The pathogenic equine streptococci John Timoney To cite this version: John Timoney. The pathogenic equine streptococci. Veterinary Research, BioMed Central,35 (4), pp ￿/vetres￿. ￿hal￿. Streptococcus equi subsp. equi and Streptococcus equi subsp. zooepidemicus - Upper Respiratory Disease in Horses and Zoonotic Transmission to Humans Abstract The bacterium Streptococcus equi subsp.

equi (S. equi) is the causative agent of the highly contagious upper respiratory disease “strangles” in. Equine Herpes Virus.

This is a highly contagious equine virus that affects horses of all ages. Better known as the Equine Rhinopneumonitis the disease is caused by the equine herpes virus type-1 (EHV-1).

The Equine Herpes Virus causes problems with the respiratory and neurological system and may even lead to abortions in pregnant mares. Streptococcus equi subspecies zooepidemicus (S.

zooepidemicus) is a [beta]-hemolytic, Lancefield group C streptococcal bacterium. S. zooepidemicus is considered an opportunistic commensal in horses (), but it may also cause infections in other domestic animals such as cattle, sheep, goats, pigs, dogs, and cats ().

Streptococcus dysgalactiae subsp. equisimilis (SDE) is a beta-hemolytic streptococcus which may present Lancefield groups C, G, L or A that is being increasingly reported in human Cited by: 2.