Captivity reduces diversity and shifts composition of the Brown Kiwi microbiome
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Date
2021-12
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BioMed Central Ltd
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(c) 2021 The Author/s
CC BY 4.0
CC BY 4.0
Abstract
BACKGROUND: Captive rearing is often critical for animals that are vulnerable to extinction in the wild. However, few studies have investigated the extent to which captivity impacts hosts and their gut microbiota, despite mounting evidence indicating that host health is affected by gut microbes. We assessed the influence of captivity on the gut microbiome of the Brown Kiwi (Apteryx mantelli), a flightless bird endemic to New Zealand. We collected wild (nā=ā68) and captive (nā=ā38) kiwi feces at seven sites on the north island of New Zealand.
RESULTS: Using bacterial 16 S rRNA and fungal ITS gene profiling, we found that captivity was a significant predictor of the kiwi gut bacterial and fungal communities. Captive samples had lower microbial diversity and different composition when compared to wild samples. History of coccidiosis, a gut parasite primarily affecting captive kiwi, showed a marginally significant effect.
CONCLUSIONS: Our findings demonstrate captivity's potential to shape the Brown Kiwi gut microbiome, that warrant further investigation to elucidate the effects of these differences on health.
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Citation
San Juan PA, Castro I, Dhami MK. (2021). Captivity reduces diversity and shifts composition of the Brown Kiwi microbiome.. Anim Microbiome. 3. 1. (pp. 48-).