scholarly journals Short communication: Evaluation of bulk tank milk microbiological quality of nine dairy farms in Tennessee

2012 ◽  
Vol 95 (8) ◽  
pp. 4275-4279 ◽  
Author(s):  
B.E. Gillespie ◽  
M.J. Lewis ◽  
S. Boonyayatra ◽  
M.L. Maxwell ◽  
A. Saxton ◽  
...  
Keyword(s):  
Short Communication ◽  
Microbiological Quality ◽  
Dairy Farms ◽  
Bulk Tank Milk ◽  
Communication Evaluation ◽  
Bulk Tank

The effect of environmental factors on the microbiological quality of bulk tank milk

2006 ◽  
Vol 34 (1) ◽  
pp. 755-758
Author(s):  
F. Peles ◽  
P. Keresztúri ◽  
A. Iglói ◽  
A. Szabó
Keyword(s):  
Environmental Factors ◽  
Microbiological Quality ◽  
Bulk Tank Milk ◽  
Bulk Tank

scholarly journals Microbiological Quality of Raw Goat's and Ewe's Bulk-Tank Milk in Switzerland

2003 ◽  
Vol 86 (12) ◽  
pp. 3849-3856 ◽  
Author(s):  
J.E. Muehlherr ◽  
C. Zweifel ◽  
S. Corti ◽  
J.E. Blanco ◽  
R. Stephan
Keyword(s):  
Microbiological Quality ◽  
Bulk Tank Milk ◽  
Bulk Tank

scholarly journals Hygienic quality of cow bulk tank milk depending on the method of udder preparation for milking (short communication)

2003 ◽  
Vol 46 (5) ◽  
pp. 405-411 ◽  
Author(s):  
R. Skrzypek ◽  
J. Wójtowski ◽  
R.-D. Fahr
Keyword(s):  
Significant Interaction ◽  
Short Communication ◽  
Clean Water ◽  
Bulk Tank Milk ◽  
Black And White ◽  
Milk Samples ◽  
White Cattle ◽  
Bulk Tank ◽  
Cattle Farms

Abstract. The investigations were carried out in the year 2001 on 167 Black-and-White cattle farms of Wielkopolska region (West Poland). On the farms included in the study a survey on performing the premilking procedures was conducted and the results were collected concerning analyses of bulk tank milk samples for the somatic cell count (SCC) and total microorganism count (TMC). Herds, in which udders and teats were cleaned with a towel soaked with a disinfectant or washed with water containing a disinfectant, were characterized by lowest logeSCC (12.36 and 12.41, respectively). They were followed by herds in which wiping with a dry towel (12.48) and washing with clean water (12.58) were practiced. The lowest logeTMC was observed in the herds in which udders and teats were cleaned with a dry towel (10.66). This characteristic was similar in the herds where washing with clean water or wiping with a towel soaked with a disinfectant were practiced (10.89 and 11.00, respectively). The highest value of logeTMC was in the herds in which washing with water containing a disinfectant was practiced (11.28). For SCC, a significant interaction was found between both pre-milking procedures. In the case of wiping with either a dry or wet towel, significantly lower values of logeSCC were observed in the herds in which forestripping was performed prior to cleaning. However, in the herds in which udders and teats were washed with water, a better option was to perform forestripping after udder and teat cleaning.

scholarly journals The prevalence of Listeria monocytogenes and Staphylococcus aureus and their virulence genes in bulk tank milk in Kosovo

2017 ◽  
Vol 11 (03) ◽  
pp. 247-254 ◽  
Author(s):  
Ibrahim Mehmeti ◽  
Hysen Bytyqi ◽  
Skender Muji ◽  
Ingolf F Nes ◽  
Dzung B Diep
Keyword(s):  
Staphylococcus Aureus ◽  
Listeria Monocytogenes ◽  
Foodborne Pathogens ◽  
Virulence Genes ◽  
Microbiological Quality ◽  
Bulk Tank Milk ◽  
Bulk Tank ◽  
Quality Of Milk ◽  
And Staphylococcus Aureus

Introduction: Milk is considered to be a healthy, nutritious food product. Microbiological quality is an important aspect in evaluating the quality of milk. Methodology: A total of 603 bulk tank milk samples from 221 farms distributed across ten different regions were collected for milk quality assessment. Quality was judged by total viable count, and the prevalence of two foodborne pathogens (Listeria monocytogenes and Staphylococcus aureus) by using selective media and 16S rRNA gene sequencing. The presence of virulence genes was detected by polymerase chain reaction (PCR) using specific primers. Results: Milk from only 7% (15/221) of farms were found to comply with the European Union standard. Interestingly, the microbiological quality of milk from the larger herd size farms (more than 10 cows) was better than in smaller herds. L. monocytogenes was found in 2.7% (6/221) of farms, and all the examined L. monocytogenes isolates were positive with respect to the virulence genes prfA, actA, and hlyA. S. aureus was found in 39.8% (88/221) of the farms. In total, 30.7% (27/88) of the staphylococci were positive for enterotoxin production. The enterotoxins identified were toxin B (40.7%), toxin D (33.4%), toxin C (18.5%), and toxin A (7.4%). Conclusions: The total number of bacteria in milk was very high. The presence of two foodborne pathogens in raw milk represents a great health risk to consumers. To improve the microbial quality of milk in Kosovo, important measures to improve hygiene, including better information, guidance, and control, are needed.

Characterization of the microbiota and resistome of bulk tank milk samples from Prince Edward Island dairy farms

2021 ◽  
Author(s):  
Landon M.C. Warder ◽  
Enrique Doster ◽  
Jennifer K. Parker ◽  
Paul S. Morley ◽  
J.T. McClure ◽  
...  
Keyword(s):  
Prince Edward Island ◽  
Dairy Farms ◽  
Bulk Tank Milk ◽  
Milk Samples ◽  
Bulk Tank

scholarly journals Mycoplasmal mastitis in dairy cows in the Moghan region of Ardabil State, Iran : short communication

2006 ◽  
Vol 77 (4) ◽  
Author(s):  
C. Ghazaei
Keyword(s):  
Dairy Cows ◽  
Short Communication ◽  
Bovine Mastitis ◽  
Subclinical Mastitis ◽  
Clinical Mastitis ◽  
Mycoplasma Bovis ◽  
Bulk Tank Milk ◽  
Milk Samples ◽  
The World ◽  
Bulk Tank

Mycoplasmas are an important and economically significant cause of mastitis in dairy cows in various parts of the world. The organisms are highly contagious, with the main reservoir of infection originating from cows with subclinical mastitis. In 1998 the 1st cases of bovine mastitis due to Mycoplasma bovis were diagnosed in Ardabil State, Iran. An investigation was carried out with the aim of establishing the extent of mycoplasma infections in dairy cows in Ardabil State. Milk samples obtained from 80 cows with clinical mastitis were cultured in the laboratory for the presence of mycoplasmas. Similarly, 48 bulk-tank milk samples were examined for the presence of mycoplasmas. A modified Hayflick broth was used to isolate the mycoplasmas and an immunoperoxidase test used for the species identification of the isolates. Mycoplasma bovis was isolated from 39 (48.75 %) of the clinical mastitis samples and from 48 of the bulk-tank milk samples tested. This indicated that mycoplasma udder infections were more prevalent in dairy cows in Ardabil State than previously thought.

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