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Abstract

Three hundred subclinically infected quarters of 259 Holstein cows infected with gram-positive bacteria were selected via quota sampling based on the California Mastitis Test (CMT) result and were divided randomly and equally into treatment and test groups. Quarters of test group (n=150 in 128...

Author(s)
Mohammadsadegh, M.
Publisher
Wiley, Oxford, UK
Citation
Journal of Veterinary Pharmacology and Therapeutics, 2018, 41, 1, pp 22-27
Abstract

Twenty-nine strains of mastitis pathogens were used to study the antibacterial activity of the cell-free supernatants (CFS) of 25 strains of Lactococcus lactis ssp. lactis. Out of the tested strains, only the CFS of L. lactis LL11 and SL153 were active, inhibiting and killing most of the pathogens. ...

Author(s)
Malvisi, M.; Stuknytė, M.; Magro, G.; Minozzi, G.; Giardini, A.; Noni, I. de; Piccinini, R.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 3, pp 2288-2296
Abstract

For more than 30 yr, a control plan for Streptococcus agalactiae and Staphylococcus aureus has been carried out in more than 1,500 dairy herds of the province of Brescia (northern Italy). From 2010 to 2011, the apparent prevalence of Strep. agalactiae has been relatively stable around 10%, but the...

Author(s)
Zanardi, G.; Caminiti, A.; Donne, G. delle; Moroni, P.; Santi, A.; Galletti, G.; Tamba, M.; Bolzoni, G.; Bertocchi, L.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 9, pp 5592-5598
Abstract

Accurate identification of mastitis pathogens is often compromised when using conventional culture-based methods. Here, we report a novel, rapid assay tested for speciation of bacterial mastitis pathogens using high-resolution melt analysis (HRMA) of 16S rDNA sequences. Real-time PCR amplification...

Author(s)
Praseeda Ajitkumar; Barkema, H. W.; Buck, J. de
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Microbiology, 2012, 155, 2/4, pp 332-340
Abstract

In this paper, we analyzed a very large field data set on intramammary infections (IMI) and the associated somatic cell count (SCC) in dairy cows. The objective of the study was to analyze the impact of coagulase-negative staphylococci (CNS) IMI on cow SCC, both mean and variability, and on the...

Author(s)
Schukken, Y. H.; González, R. N.; Tikofsky, L. L.; Schulte, H. F.; Santisteban, C. G.; Welcome, F. L.; Bennett, G. J.; Zurakowski, M. J.; Zadoks, R. N.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 134, 1/2, pp 9-14
Abstract

Milk samples were examined bacteriologically from 490 quarters of 139 cows in 14 herds in the Taipei district. Str. agalactiae was isolated from 28% of the quarters, 46% of the cows, and 86% of the herds. Staph. aurous was isolated from 14% of the quarters, 32% of the cows, and 79% of the herds....

Author(s)
Fuh, Tsu-Huei.; Chang, Cheng-Hung.
Publisher
Taipei,
Citation
Chinese Journal of Microbiology, 1969, 2, pp 7-12
Abstract

Group N streptococci with antibiotic activity were isolated from milk samples from an experimental herd. The streptococci inhibited cultures of coagulase-positive and coagulase-negative staphylococci and cultures of Str. agalactiae, Micrococcus flavus and Corynebacterium pyogenes[Arcanobacterium...

Author(s)
Blobel, H.; Katsube, Y.; Martinovich, A.
Citation
American Journal of Veterinary Research, 1964, 25, pp 380-385
Abstract

Forty-four cows were divided into 2 equal and comparable groups according to their serum titres of detectable inhibitors to staphylococcal hyaluronidase. The animals in one group were given 6 s/c vaccinations with 10-ml. amounts of formolized 18-hour broth cultures of Str. agalactiae Strain A 100...

Author(s)
Howell, D. G.; Smith, I. M.; Holman, H. H.; Pattison, I. H.
Citation
Journal of Comparative Pathology, 1956, 66, pp 49-61
Abstract

A total of 175 cows were given 4 inoculations at 5-day intervals of staphylococcus toxoid with or without the addition of a culture of Streptococcus agalactiae and udder staphylococci killed by heat or formalin. As judged by the level of staphylococcal serum antitoxin, the inclusion of the killed...

Author(s)
Ramón, G.; Richou, R.; Julienne, P.; Jacquet, J.; Gerbeaux, C.; Leneveu, G.
Publisher
Office International des Epizooties, Paris, France
Citation
Bulletin de l'Office International des Epizooties, 1952, 37, pp 514-529
Abstract

Further experiments are reported on the effect of certain silver preparations "protargol" and "collargol" on cultures of Trichomonas and of various bacteria.
"Collargol" in a concentration of 1: 2, 000 and "protargol" at 1: 500 failed to kill Trichomonas. A culture of Trichomonas left in the...

Author(s)
Diernhofer, K.
Citation
Wiener Tierarztliche Monatsschrift, 1949, 36, pp 497-499

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