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자료유형
학술저널
저자정보
Guevarra, Robin B. (Faculty of Biotechnology, College of Applied Life Sciences, SARI, Jeju National University) Kim, Jungman (Faculty of Biotechnology, College of Applied Life Sciences, SARI, Jeju National University) Nguyen, Son G. (Faculty of Biotechnology, College of Applied Life Sciences, SARI, Jeju National University) Unno, Tatsuya (Faculty of Biotechnology, College of Applied Life Sciences, SARI, Jeju National University)
저널정보
한국응용생명화학회 Journal of applied biological chemistry Journal of applied biological chemistry 제58권 제4호
발행연도
2015.1
수록면
369 - 375 (7page)

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Meat from black pigs (BP) is in high demand compared with that from modern white pig (WP) breeds such as Landrace pigs owing to its high quality. However, the growth rate of black pigs is slower than that of white pig breeds. We investigated differences in the fecal microbial composition between white and black pigs to explore whether these breeds differed in the composition of their gut microbial communities. The swine gut microbiota was investigated using Illumina's MiSeq-based sequencing technology by targeting the V4 region of the 16S rRNA gene. Our results showed that the composition of the gut microbiota was significantly different between the two pig breeds. While the composition of the WP microbiota shifted according to the growth stage, fewer shifts in composition were observed for the BP gut microbiota. In addition, the WP gut microbiota showed a higher Firmicutes/Bacteroidetes ratio compared with that of BP. A high ratio between these phyla was previously reported as an obesity-linked microbiota composition. Moreover, the WP microbiota contained a significantly higher abundance of cellulolytic bacteria, suggesting a possibility of higher fiber digestion efficiency in WP compared to BP. These findings may be important factors affecting growth performance and energy-harvesting capacities in pigs. Our findings of differences in the gut microbiota composition between the two breeds may provide new leads to understand growth rate variation across pig breeds.

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