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פותח על ידי קלירמאש פתרונות בע"מ -
Outbreak of subclinical mastitis in a flock of dairy goats associated with atypical Staphylococcus haemolyticus
Year:
2009
Source of publication :
Journal of Dairy Research
Authors :
המר-מונץ, אורלי
;
.
סלע, סיגל
;
.
Volume :
76
Co-Authors:
Leitner, G., National Mastitis Center, Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
Sela, S., Department of Food Sciences, Microbial Food-Safety Research Unit, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Hammer-Muntz, O., Department of Food Sciences, Microbial Food-Safety Research Unit, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Zivotofsky, D., Clinical Veterinarian, Jerusalem, Israel
Weisblit, L., National Mastitis Center, Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
Chaffer, M., Bacteriology Division, Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
Zamir, S., Chief Sheep and Goat Health Officer, Israeli Veterinary Services and Animal Health, Bet Dagan 50250, Israel
Facilitators :
From page:
1
To page:
5
(
Total pages:
5
)
Abstract:
Staphylococcus haemolyticus is a pathogen frequently isolated from dairy cows and small ruminants. However, it always appears in only a few animals and not as a major pathogen. Recently, in a dairy goat herd of approximately 250 milking animals, 256% (46/180 goats) had milk cultures with atypical highly mucoid colonies accompanied by elevated somatic cell counts. The isolates were identified as Staph. haemolyticus. The present study describes the steps used in an attempt to identify the bacterium and to compare it with other coagulase-negative staphylococci (CNS) including Staph. haemolyticus. Species identification performed with the API STAPH-IDENT 32 kit showed >994% identity confirmed by 16S rDNA sequencing tests. Microscopically the atypical Staph. haemolyticus strains showed unique cuboidal tetrad clusters reminiscent of those of the genus Sarcina. The outbreak caused by an atypical CNS underlines the need for accurate biochemical and genetic methods for ultimate identification of CNS to the species level. © Proprietors of Journal of Dairy Research 2008.
Note:
Related Files :
Animal
Animals
Female
Genetics
goats
Israel
Microbiology
milk
phenotype
עוד תגיות
תוכן קשור
More details
DOI :
10.1017/S0022029908003646
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
32829
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:12
You may also be interested in
Scientific Publication
Outbreak of subclinical mastitis in a flock of dairy goats associated with atypical Staphylococcus haemolyticus
76
Leitner, G., National Mastitis Center, Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
Sela, S., Department of Food Sciences, Microbial Food-Safety Research Unit, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Hammer-Muntz, O., Department of Food Sciences, Microbial Food-Safety Research Unit, Volcani Center, PO Box 6, Bet Dagan 50250, Israel
Zivotofsky, D., Clinical Veterinarian, Jerusalem, Israel
Weisblit, L., National Mastitis Center, Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
Chaffer, M., Bacteriology Division, Kimron Veterinary Institute, PO Box 12, Bet Dagan 50250, Israel
Zamir, S., Chief Sheep and Goat Health Officer, Israeli Veterinary Services and Animal Health, Bet Dagan 50250, Israel
Outbreak of subclinical mastitis in a flock of dairy goats associated with atypical Staphylococcus haemolyticus
Staphylococcus haemolyticus is a pathogen frequently isolated from dairy cows and small ruminants. However, it always appears in only a few animals and not as a major pathogen. Recently, in a dairy goat herd of approximately 250 milking animals, 256% (46/180 goats) had milk cultures with atypical highly mucoid colonies accompanied by elevated somatic cell counts. The isolates were identified as Staph. haemolyticus. The present study describes the steps used in an attempt to identify the bacterium and to compare it with other coagulase-negative staphylococci (CNS) including Staph. haemolyticus. Species identification performed with the API STAPH-IDENT 32 kit showed >994% identity confirmed by 16S rDNA sequencing tests. Microscopically the atypical Staph. haemolyticus strains showed unique cuboidal tetrad clusters reminiscent of those of the genus Sarcina. The outbreak caused by an atypical CNS underlines the need for accurate biochemical and genetic methods for ultimate identification of CNS to the species level. © Proprietors of Journal of Dairy Research 2008.
Scientific Publication
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