Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250
Analysis of infant microbiota composition and the relationship with breast milk components in the Asian elephant (Elephas maximus) at the Zoo
Jun KAMBEYu SASAKIRyo INOUEShozo TOMONAGATeruo KINJOGen WATANABEWanzhu JINKentaro NAGAOKA
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JOURNALS OPEN ACCESS Advance online publication

Article ID: 20-0190

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Abstract

The prevention of diseases through health control is essential at zoos. Recently, the gut microbiota, which is an ecosystem consisting of the bacteria living in the digestive tract, has been found to be one of the key systems that mediates animal health. However, there is little basic knowledge about gut microbiota in zoo animals, particularly the relationship between mothers and infants during lactation. Here, we investigated the formation of the gut microbiota during infancy in an Asian elephant (Elephas maximus) in Okinawa Zoo and compared the composition between infant and mother. In addition, we analyzed the components of breast milk and examined the correlation with the infant gut microbiota. Analysis revealed that the gut microbiota of the infant contained high amount of Lactobacillales and its diversity was relatively low compared to that of the mother. We found several milk components, such as lactose, threonine and estradiol-17β, which showed a positive correlation with the change of Lactobacillales during the lactation period. In conclusion, the present study sheds light on the mechanism of gut microbiota formation during infancy in an Asian elephant and provides important insights into the health control of Asian elephants in zoos.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 - 改変禁止 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ja
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