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首页> 外文期刊>Applied Microbiology >Influence of Hand Rearing and Bird Age on the Fecal Microbiota of the Critically Endangered Kakapo
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Influence of Hand Rearing and Bird Age on the Fecal Microbiota of the Critically Endangered Kakapo

机译：人工饲养和鸟类年龄对极度濒临灭绝的猕猴的粪便微生物群的影响

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The critically endangered New Zealand parrot, the kakapo, is subject to an intensive management regime aiming to maintain bird health and boost population size. Newly hatched kakapo chicks are subjected to human intervention and are frequently placed in captivity throughout their formative months. Hand rearing greatly reduces mortality among juveniles, but the potential long-term impact on the kakapo gut microbiota is uncertain. To track development of the kakapo gut microbiota, fecal samples from healthy, prefledged juvenile kakapos, as well as from unrelated adults, were analyzed by using 16S rRNA gene amplicon pyrosequencing. Following the original sampling, juvenile kakapos underwent a period of captivity, so further sampling during and after captivity aimed to elucidate the impact of captivity on the juvenile gut microbiota. Variation in the fecal microbiota over a year was also investigated, with resampling of the original juvenile population. Amplicon pyrosequencing revealed a juvenile fecal microbiota enriched with particular lactic acid bacteria compared to the microbiota of adults, although the overall community structure did not differ significantly among kakapos of different ages. The abundance of key operational taxonomic units (OTUs) was correlated with antibiotic treatment and captivity, although the importance of these factors could not be proven unequivocally within the bounds of this study. Finally, the microbial community structure of juvenile and adult kakapos changed over time, reinforcing the need for continual monitoring of the microbiota as part of regular health screening.
机译：濒临灭绝的新西兰鹦鹉kakapo受严格的管理制度约束，旨在保持鸟类健康并扩大种群规模。新孵化的kakapo雏鸡受到人类的干预，并且在整个成长期中经常被圈养。人工饲养可大大降低未成年人的死亡率，但对卡卡波肠道菌群的潜在长期影响尚不确定。为了追踪kakapo肠道菌群的发育，通过使用16S rRNA基因扩增子焦磷酸测序分析了健康，成熟的幼年kakapos以及无关的成年人的粪便样本。在原始采样之后，对幼年卡卡波进行了一段时间的人工饲养，因此在人工饲养期间和之后的进一步采样旨在阐明人工饲养对幼虫肠道菌群的影响。还对粪便微生物群一年来的变化进行了调查，并对原始的未成年人进行了重新采样。扩增子焦磷酸测序显示，与成年人的微生物相比，粪便中的微生物菌群富含特定的乳酸菌，尽管不同年龄的卡卡犬的总体群落结构没有显着差异。尽管无法在本研究范围内明确证明这些因素的重要性，但关键操作分类单位（OTU）的丰富程度与抗生素治疗和人工饲养有关。最后，少年和成年卡卡波人的微生物群落结构随时间而变化，这增加了对微生物群进行持续监测的需要，作为常规健康筛查的一部分。

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