全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

Qualidade microbiológica do leite in natura durante o processo de obten??o e após o resfriamento

Keywords: escherichia coli, mastitis, milk, staphylococcus aureus, teatcups.

Full-Text   Cite this paper   Add to My Lib

Abstract:

the present study aimed to check for changes in the microbiological quality of milk in natura during the process of obtaining and after cooling, analyzing the action of teatcups as potential sources of contamination. we analyzed 120 samples of milk samples and teatcupscollected in different periods from a dairy farm located in auriflama, s?o paulo state, brazil. microbiological analyses were carried out in accordance with the rules in force for determination of microorganisms in food and equipment. it was observed a high number of staphylococcus aureus (76.6% of the samples). in 53.33% it was found coliform contamination by total coliforms, 35% by thermotolerantcoliforms and escherichia coli. no samples presented salmonella contamination. in the milk collected after cooling, in march, it was observed high mesophilic aerobic counts. staphylococcus aureus and thermotolerants coliforms were present in all samples analyzed. e. coli was isolated in samples of march and april. on the evaluation of swabs of teatcups , it was found e. coli and s. aureus. it is concluded and that the milk shall be collected from hygienic way, associated with mastitis control programs and hygiene equipment, mainly at the time of greatest rainfall,once the number of microorganisms increases and the refrigeration does not improve the quality of the product, it just keeps it.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133