Bacteriological quality and safety of raw cow milk in Madurai (South India)

Lingathurai, S.; Vellathurai, P.

doi:10.3329/bjsir.v48i2.15741

Cited by 48 publications

(50 citation statements)

References 19 publications

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“…This prevalence is lower when compared to reports of [10] from Mekelle town, [16] from Britain, [17] from South India, and [18] from Malaysia who reported prevalence of E. coli from raw milk of 44.4%, 63%, 70%, and 65%, respectively. On the other hand, [19] reported a 38.0% prevalence from India…”

Section: Resultscontrasting

confidence: 71%

Prevalence and Antimicrobial Susceptibility Pattern ofE. coliO157:H7 Isolated from Traditionally Marketed Raw Cow Milk in and around Asosa Town, Western Ethiopia

Disassa

Sibhat

Mengistu

et al. 2017

Veterinary Medicine International

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A cross-sectional study was conducted from October 2014 to July 2015 to determine the prevalence and populations of E. coli as well as the prevalence and antimicrobial susceptibility of E. coli O157:H7 isolated from raw milk. Biochemical and serological tests methods were used to confirm E. coli and E. coli O157:H7 and isolates were subjected to antimicrobial susceptibility test using the agar disc diffusion method. Out of 380 raw milk samples examined, 129 (33.9%) and 11 (2.9%) were contaminated with E. coli and E. coli O157:H7, respectively. The highest prevalence was recorded in samples obtained from vendors (39.1%, 4.978 ± 0.180 log10/ml) compared with samples from farmers (28.1%, 3.93 ± 0.01 log10/ml) with significant differences (P = 0.02). The frequency of contamination was higher in the samples collected from milk that was stored and transported in plastic containers (39.4%) than in the containers made of stainless steel (23.0%) (P = 0.002). The antimicrobial susceptibility profile showed that E. coli O157:H7 were resistant to tetracycline (81.8%), streptomycin (81.8%), and kanamycin (63.6%). Milk samples were produced and handled under poor hygienic conditions, stored, and transported in inappropriate containers and under temperature abuse conditions leading to high health risk to the consumers. Additional studies would be needed to establish association between the occurrences of E. coli O157:H7 in raw milk and all the risk factors involved in and around Asosa town.

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Section: Resultscontrasting

confidence: 71%

Prevalence and Antimicrobial Susceptibility Pattern ofE. coliO157:H7 Isolated from Traditionally Marketed Raw Cow Milk in and around Asosa Town, Western Ethiopia

Disassa

Sibhat

Mengistu

et al. 2017

Veterinary Medicine International

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“…There are so many results of prevalence by different researchers in different countries. For example in Morocco, it was found 40% prevalence of S. aureus [14], 36.9% in Palestine [15], 75% in Bangladesh [16] and 61% in India [17] which are higher than the result found in this study. The difference may be resulted from their sampling sites includes much number of local milk collection and distribution sites.…”

Section: Discussioncontrasting

confidence: 57%

Study on the Prevalence and Distribution of Staphylococcus aureus in Raw Cow Milk Originated from Alage Atvet College Dairy Farm, Ethiopia

Tessema¹,

Tsegaye²

2017

J Nutr Food Sci

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This investigation was carried out from October 2011-June 2012 to determine the prevalence of Staphylococcus in milk and rate of contamination at farm and milk distribution tank in Alage Agricultural Technical Vocational Educational Training College. Milk samples (row) were cultured on sheep blood agar and incubated. The plates were examined for gross colony morphology, pigmentation and haemolytic characteristics at 24-48 h then presumptive colonies of Staphylococcus aureus was selected and sub cultured on nutrient agar and incubated. Then, bacteria were identified according to its Gram reaction, morphology and the catalase test, tube coagulase test (4 h), haemolysis, pigment production (golden yellow), mannitol and maltose fermentation were used. A total of 170 milk sample of cow were examined for bacteriological status of S. aureus, an overall 28.2% prevalence of Staphylococcus was found. From this, 21.2% was directly from the farm and 35.3% were from milk distributing site to consumers. The total prevalence of Staphylococcus varied among the sample taking site. The prevalence of S. aureus from distributing raw milk site (35.3%) was significantly higher than the prevalence of S. aureus from samples taken directly from the farm (21.2%). From this the study it is considered that Staphylococcosis a potential hazard for the public and contamination rate is high in distribution site which needs improvement of the hygienic status of the personnel's at distribution site.

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“…This closely agreed with the work of Mbuk, et al [12] who reported a prevalence of 10.3% in Kaduna State, Nigeria. However, higher prevalence of 52% has been reported in Sokoto, Nigeria [26], 22.9% in Kaduna State, Nigeria [27], 23.5% in Gambia, Senegal and Guinea [28], 66% in Tanzania [29] and 70% in Madurai, India [30].…”

Section: Discussionmentioning

confidence: 99%

Untitled

2019

AJLS

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It has been established by various researchers that bovine mastitis which is simply an inflammation of mammary gland is a complex and costly disease in dairy herds globally. This study therefore was aimed at assessing the prevalence of clinical and subclinical mastitis among lactating bovines from pastoral herds. A total of 147 bovines were selected from 30 pastoral herds within 7 Fulani settlements in Kaduna State, Nigeria. Prevalence of Clinical mastitis was assessed by the result of physical examination of udders and milk by palpation and visual inspection. The California Mastitis Reagent was used according to the manufacturer's instructions to detect the prevalence of Subclinical Mastitis. The CMT positive samples were bacteriologically analyzed following standard microbiological procedures for the presence of coliform bacteria. The results obtained revealed that 19.7% (29/147) of animals examined was positive for subclinical mastitis at cow level. The highest prevalence of subclinical mastitis was recorded among bovines from settlements G in Birnin Gwari Local Government Area of Kaduna State, while bovine's raw milk samples collected from settlements C and E in Chikun and Zaria Local Government Areas of Kaduna State haboured the lowest number of 1(0.7%) each, and no Coliform bacteria (0.00%) was isolated in the samples collected from settlement D in Soba Local Government Area. In this study, a total prevalence of 8.2% was established for coliforms associated with subclinical mastitis among pastoral herds based on phenotypic identification. Furthermore, the species of coliforms associated with bovine mastitis within the study population based on the findings in this study were (Klebsiella pneumonia) 7(4.8%) and (Escherichia coli) 5(3.4%). Hence, this study confirmed that the consumption of raw milk from CMT positive commercial bovines is a potential threat to public health as the isolated species of coliforms have been implicated in several human diseases.

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Bacteriological quality and safety of raw cow milk in Madurai (South India)

Cited by 48 publications

References 19 publications

Prevalence and Antimicrobial Susceptibility Pattern ofE. coliO157:H7 Isolated from Traditionally Marketed Raw Cow Milk in and around Asosa Town, Western Ethiopia

Prevalence and Antimicrobial Susceptibility Pattern ofE. coliO157:H7 Isolated from Traditionally Marketed Raw Cow Milk in and around Asosa Town, Western Ethiopia

Study on the Prevalence and Distribution of Staphylococcus aureus in Raw Cow Milk Originated from Alage Atvet College Dairy Farm, Ethiopia

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