Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.

Colobine monkeys are known for the anatomical complexity of their stomachs, making them distinct within the primate order. Amongst foregut fermenters, they appear peculiar because of the occurrence of two different stomach types, having either three ('tripartite') or four ('quadripart...

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Autores principales:	Satoru Hoshino, Satoru Seino, Takashi Funahashi, Tomonori Hoshino, Marcus Clauss, Ikki Matsuda, Masato Yayota
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/477a2b5d258746638fbc868adcc9d61d
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spelling	oai:doaj.org-article:477a2b5d258746638fbc868adcc9d61d2021-12-02T20:14:30ZApparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.1932-620310.1371/journal.pone.0256548https://doaj.org/article/477a2b5d258746638fbc868adcc9d61d2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256548https://doaj.org/toc/1932-6203Colobine monkeys are known for the anatomical complexity of their stomachs, making them distinct within the primate order. Amongst foregut fermenters, they appear peculiar because of the occurrence of two different stomach types, having either three ('tripartite') or four ('quadripartite', adding the praesaccus) chambers. The functional differences between tri and quadripartite stomachs largely remain to be explained. In this study, we aim to compare the apparent digestibility (aD) in tripartite and quadripartite colobines. Hence, we measured the aD in two colobine species, Nasalis larvatus (quadripartite) and Trachypithecus cristatus (tripartite), in two zoos. We also included existing colobine literature data on the aD and analysed whether the aD of fibre components is different between the stomach types to test the hypothesis of whether quadripartite colobines show higher aD of fibre components than tripartite colobines did. Our captive N. larvatus specimen had a more distinctively varying nutrient intake across seasons with a larger seasonal variation in aD than that of a pair of T. cristatus, which mostly consumed commercial foods with a lower proportion of browse and less seasonal variation. We observed higher aD of dry matter (DM), neutral detergent fibre (NDF) and acid detergent fibre (ADF) in the N. larvatus specimen, suggesting a higher gut capacity of N. larvatus provided by the additional praesaccus forestomach chamber. Based on the analysis of literature data for aD, we also found that quadripartite species achieved higher fibre digestibility at similar dietary fibre levels compared with tripartite species, supporting the hypothesis that the additional gut capacity offered by the praesaccus facilitates a longer retention and hence more thorough microbial fermentation of plant fibre.Satoru HoshinoSatoru SeinoTakashi FunahashiTomonori HoshinoMarcus ClaussIkki MatsudaMasato YayotaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0256548 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Satoru Hoshino Satoru Seino Takashi Funahashi Tomonori Hoshino Marcus Clauss Ikki Matsuda Masato Yayota Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
description	Colobine monkeys are known for the anatomical complexity of their stomachs, making them distinct within the primate order. Amongst foregut fermenters, they appear peculiar because of the occurrence of two different stomach types, having either three ('tripartite') or four ('quadripartite', adding the praesaccus) chambers. The functional differences between tri and quadripartite stomachs largely remain to be explained. In this study, we aim to compare the apparent digestibility (aD) in tripartite and quadripartite colobines. Hence, we measured the aD in two colobine species, Nasalis larvatus (quadripartite) and Trachypithecus cristatus (tripartite), in two zoos. We also included existing colobine literature data on the aD and analysed whether the aD of fibre components is different between the stomach types to test the hypothesis of whether quadripartite colobines show higher aD of fibre components than tripartite colobines did. Our captive N. larvatus specimen had a more distinctively varying nutrient intake across seasons with a larger seasonal variation in aD than that of a pair of T. cristatus, which mostly consumed commercial foods with a lower proportion of browse and less seasonal variation. We observed higher aD of dry matter (DM), neutral detergent fibre (NDF) and acid detergent fibre (ADF) in the N. larvatus specimen, suggesting a higher gut capacity of N. larvatus provided by the additional praesaccus forestomach chamber. Based on the analysis of literature data for aD, we also found that quadripartite species achieved higher fibre digestibility at similar dietary fibre levels compared with tripartite species, supporting the hypothesis that the additional gut capacity offered by the praesaccus facilitates a longer retention and hence more thorough microbial fermentation of plant fibre.
format	article
author	Satoru Hoshino Satoru Seino Takashi Funahashi Tomonori Hoshino Marcus Clauss Ikki Matsuda Masato Yayota
author_facet	Satoru Hoshino Satoru Seino Takashi Funahashi Tomonori Hoshino Marcus Clauss Ikki Matsuda Masato Yayota
author_sort	Satoru Hoshino
title	Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
title_short	Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
title_full	Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
title_fullStr	Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
title_full_unstemmed	Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
title_sort	apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/477a2b5d258746638fbc868adcc9d61d
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Apparent diet digestibility of captive colobines in relation to stomach types with special reference to fibre digestion.

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