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Evaluation of the surveillance program of Streptococcus agalactiae in Danish dairy herds
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ABSTRACT
The aim of this study was to evaluate the Danish surveillance program of Streptococcus agalactiae in dairy herds with respect to 1) fluctuation over time of the presence of S. agalactiae in bulk tank milk, 2) sensitivity and specificity of the bacteriological method used, and 3) contamination of bulk tank milk samples with milk from other herds. From June to September 1996, bulk tank milk was sampled from 100 Danish dairy herds seven times, with intervals of 2 wk. The samples were examined for the presence of S. agalactiae by four different methods: 1) by the method approved for the ...
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Short Communication: Growth Characteristics of Streptococcus uberis in UHT-Treated Milk
; ...high total bacterial numbers in bulk tank milk. This study was conducted to determine...contribute to high bacterial numbers in bulk tank milk. Four S. uberis raw milk isolates...that high numbers of S. uberis in bulk tank milk are more likely to reflect high...
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Guidelines for Monitoring Bulk Tank Milk Somatic Cell and Bacterial Counts
; ...establish guidelines for monitoring bulk tank milk somatic cell count and bacterial...bacterial groups that occur in bulk tank milk. One hundred twenty-six dairy...participated, each providing one bulk tank milk sample every 15 d for 2 mo. The...
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Predominant Microflora of Downgraded Danish Bulk Tank Milk
; ...microflora of downgraded Danish bulk tank milk was examined to identify the main...microflora in 8% of the samples. A bulk tank milk storage period of 48 h instead...al., 1993; Heeschen, 1996). In bulk tank milk, bacteria originating from cows...
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Association of Minimum Inhibitory Concentration Cluster Patterns with Dairy Management Practices for Environmental Bacteria Isolated from Bulk Tank Milk*
; ...environmental bacteria isolated from bulk tank milk on California dairies and their...and antimicrobic-use strategies. Bulk tank milk samples were collected from 2...pattern, environmental bacteria, bulk tank milk) Abbreviation key: MIC^sub 90...
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Application of IS900 PCR for detection of Mycobacterium avium subsp. paratuberculosis directly from raw milk
; ...milk, respectively. A total of 20 bulk tank milk sample aliquots (one sample, four...contrast, only one out of 20 (5%) bulk tank milk sample aliquots was positive by...on testing of quarter milk and bulk tank milk samples was confirmed to be the...
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Prevalence of Salmonellae, Listeria monocytogenes, and Fecal Coliforms in Bulk Tank Milk on US Dairies*
; ...monocytogenes, and fecal coliforms in bulk tank milk in the United States. As part of the NAHMS Dairy 2002 survey, 861 bulk tank milk samples were collected from farms...Therefore, it is assumed that bulk tank milk can also be contaminated with...
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Incidence of Escherichia coli O157:H7 and E. coli Virulence Factors in US Bulk Tank Milk as Determined by Polymerase Chain Reaction1
; ABSTRACT Samples of bulk tank milk from dairies across the United...a low incidence of O157:H7 in bulk tank milk but suggest that a risk from other...to be the most common route of bulk tank milk contamination with these organisms...
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Comparison of Coxiella burnetii Shedding in Milk of Dairy Bovine, Caprine, and Ovine Herds
; ...3 herds for each species, the bulk tank milk samples of which were positive...sampled over 16 wk, as was the bulk tank milk. The shedding of C. burnetii in...serum samples and PCR analysis of bulk tank milk. "Positive" herds had a PCR-positive...
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Daily consolidation continues
; ...Dairy 2002 study on mycoplasma in bulk tank milk and hemorrhagic bowel syndrome...into mycoplasma prevalence in bulk tank milk. The study data says that 7.9...for mycoplasma "when a single bulk tank milk sample was cultured using standard...
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CASE STUDY: Development of a Mycoplasma Mastitis Control Program in Louisiana1
; ...as having Mycoplasma species in bulk tank milk. The statewide survey prompted...prevalence of Mycoplasma species in bulk tank milk from 21 states across the United...as having Mycoplasma species in bulk tank milk. Ten of these isolates were M...
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