Comparative analysis of the microbial communities in raw milk produced in different regions of Korea

OBJECTIVE: The control of psychrotrophic bacteria causing milk spoilage and illness due to toxic compounds is an important issue in the dairy industry. In South Korea, Gangwon-do province is one of the coldest terrains in which eighty percent of the area is mountainous regions, and mainly plays an i...

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Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 30(2017), 11 vom: 21. Nov., Seite 1643-1650
1. Verfasser: Kim, In Seon (VerfasserIn)
Weitere Verfasser: Hur, Yoo Kyung, Kim, Eun Ji, Ahn, Young-Tae, Kim, Jong Geun, Choi, Yun-Jaie, Huh, Chul Sung
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Microbiota Milk Quality Psychrotrophic Bacteria Raw Milk
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520 |a OBJECTIVE: The control of psychrotrophic bacteria causing milk spoilage and illness due to toxic compounds is an important issue in the dairy industry. In South Korea, Gangwon-do province is one of the coldest terrains in which eighty percent of the area is mountainous regions, and mainly plays an important role in the agriculture and dairy industries. The purposes of this study were to analyze the indigenous microbiota of raw milk in Gangwon-do and accurately investigate a putative microbial group causing deterioration in milk quality 
520 |a METHODS: We collected raw milk from the bulk tank of 18 dairy farms in the Hoengseong and Pyeongchang regions of Gangwon-do. Milk components were analyzed and the number of viable bacteria was confirmed. The V3 and V4 regions of 16S rRNA gene were amplified and sequenced on an Illumina Miseq platform. Sequences were then assigned to operational taxonomic units, followed by the selection of representative sequences using the QIIME software package 
520 |a RESULTS: The milk samples from Pyeongchang were higher in fat, protein, lactose, total solid, and solid non-fat, and bacterial cell counts were observed only for the Hoengseong samples. The phylum Proteobacteria was detected most frequently in both the Hoengseong and Pyeongchang samples, followed by the phyla Firmicutes and Actinobacteria. Notably, Corynebacterium, Pediococcus, Macrococcus, and Acinetobacter were significantly different from two regions 
520 |a CONCLUSION: Although the predominant phylum in raw milk is same, the abundances of major genera in milk samples were different between Hoengseong and Pyeongchang. We assumed that these differences are caused by regional dissimilar farming environments such as soil, forage, and dairy farming equipment so that the quality of milk raw milk from Pyeongchang is higher than that of Hoengseong. These results could provide the crucial information for identifying the microbiota in raw milk of South Korea 
650 4 |a Journal Article 
650 4 |a Microbiota 
650 4 |a Milk Quality 
650 4 |a Psychrotrophic Bacteria 
650 4 |a Raw Milk 
700 1 |a Hur, Yoo Kyung  |e verfasserin  |4 aut 
700 1 |a Kim, Eun Ji  |e verfasserin  |4 aut 
700 1 |a Ahn, Young-Tae  |e verfasserin  |4 aut 
700 1 |a Kim, Jong Geun  |e verfasserin  |4 aut 
700 1 |a Choi, Yun-Jaie  |e verfasserin  |4 aut 
700 1 |a Huh, Chul Sung  |e verfasserin  |4 aut 
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