Bacteriological quality assessment of raw milk under traditional managemental system in Quetta, Pakistan

Muhammad Shafee, Abdul Waheed Khan, Abdul Samad, Ferhat Abbas, Shakeel Babar, Muhammad Arif Awan, Abdul Wadood

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Abstract

One hundred 100 raw milk samples (70 shops and 30 dairy farms) were collected from Quetta City and were subjected to microbiological assessment. Out of the 100 samples, 94 were found positive for bacterial contamination. Out of the positive samples, 25 different bacterial species were identified. The most frequent bacteria were Escherichia coli (60%), Streptococcus faecalis (26%), Entrobacter cloacae (16%), Bacillus cereus (10%), Lactobacillus bulgaricus (6%) and many of Staphylococcus and Streptococcus species. Statistical analysis revealed a significant association (P<0.05) in the occurrence of different bacteria in the raw milk samples sold under prevailing traditional managmental system. These results clearly indicate the heavy contamination of raw milk sold in shops and dairy farms in Quetta posing serious threat to public health.

Original languageEnglish
Pages (from-to)1150-1153
Number of pages4
JournalPakistan Journal of Zoology
Volume45
Issue number4
Publication statusPublished - 19 Sep 2013
Externally publishedYes

Keywords

  • Bacterial assessment
  • Contamination
  • Raw milk
  • Traditional managemental system

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