Use of tannins to protect insect meal protein against ruminal degradation in sheep

Toral, Pablo G.; González Rosales, G.; Hervás, Gonzalo; Belenguer, Álvaro; Mendoza, Alejandro G.; Amanzougarene, Zahia; Fondevila, M.; Frutos, Pilar; Ministerio de Economía y Competitividad (España)

Use of tannins to protect insect meal protein against ruminal degradation in sheep

5 páginas, 2 tablas.--Contributed to: Efficiency and resilience of forage resources and small ruminant production to cope with global challenges in Mediterranean areas, Proceedings of the 1st Joint Meeting of the FAO-CIHEAM Network for Research and Development in Sheep and Goats (Subnetworks on Nutrition and Production Systems) and the FAO-CIHEAM Subnetwork on Mediterranean Forage Resources. López-Francos A., Jouven M., Porqueddu C., Ben Salem H., Keli A., Araba, A. and Chentouf M. (Eds.). Meknes (Morocco), 23-25 October 2019.

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Bibliographic Details
Main Authors:	Toral, Pablo G., González Rosales, G., Hervás, Gonzalo, Belenguer, Álvaro, Mendoza, Alejandro G., Amanzougarene, Zahia, Fondevila, M., Frutos, Pilar
Other Authors:	Ministerio de Economía y Competitividad (España)
Format:	artículo biblioteca
Language:	English
Published:	Centre international de hautes études agronomiques méditerranéennes 2021
Subjects:	Alternative feeds, Condensed tannins, Hydrolysable tannins, Digestive utilisation, Aliments alternatifs, Tanins condensés, Tanins hydrolysables, Utilisation digestive,
Online Access:	http://hdl.handle.net/10261/249918 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780
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id	dig-igm-es-10261-249918
record_format	koha
institution	IGM ES
collection	DSpace
country	España
countrycode	ES
component	Bibliográfico
access	En linea
databasecode	dig-igm-es
tag	biblioteca
region	Europa del Sur
libraryname	Biblioteca del IGM España
language	English
topic	Alternative feeds Condensed tannins Hydrolysable tannins Digestive utilisation Aliments alternatifs Tanins condensés Tanins hydrolysables Utilisation digestive Alternative feeds Condensed tannins Hydrolysable tannins Digestive utilisation Aliments alternatifs Tanins condensés Tanins hydrolysables Utilisation digestive
spellingShingle	Alternative feeds Condensed tannins Hydrolysable tannins Digestive utilisation Aliments alternatifs Tanins condensés Tanins hydrolysables Utilisation digestive Alternative feeds Condensed tannins Hydrolysable tannins Digestive utilisation Aliments alternatifs Tanins condensés Tanins hydrolysables Utilisation digestive Toral, Pablo G. González Rosales, G. Hervás, Gonzalo Belenguer, Álvaro Mendoza, Alejandro G. Amanzougarene, Zahia Fondevila, M. Frutos, Pilar Use of tannins to protect insect meal protein against ruminal degradation in sheep
description	5 páginas, 2 tablas.--Contributed to: Efficiency and resilience of forage resources and small ruminant production to cope with global challenges in Mediterranean areas, Proceedings of the 1st Joint Meeting of the FAO-CIHEAM Network for Research and Development in Sheep and Goats (Subnetworks on Nutrition and Production Systems) and the FAO-CIHEAM Subnetwork on Mediterranean Forage Resources. López-Francos A., Jouven M., Porqueddu C., Ben Salem H., Keli A., Araba, A. and Chentouf M. (Eds.). Meknes (Morocco), 23-25 October 2019.
author2	Ministerio de Economía y Competitividad (España)
author_facet	Ministerio de Economía y Competitividad (España) Toral, Pablo G. González Rosales, G. Hervás, Gonzalo Belenguer, Álvaro Mendoza, Alejandro G. Amanzougarene, Zahia Fondevila, M. Frutos, Pilar
format	artículo
topic_facet	Alternative feeds Condensed tannins Hydrolysable tannins Digestive utilisation Aliments alternatifs Tanins condensés Tanins hydrolysables Utilisation digestive
author	Toral, Pablo G. González Rosales, G. Hervás, Gonzalo Belenguer, Álvaro Mendoza, Alejandro G. Amanzougarene, Zahia Fondevila, M. Frutos, Pilar
author_sort	Toral, Pablo G.
title	Use of tannins to protect insect meal protein against ruminal degradation in sheep
title_short	Use of tannins to protect insect meal protein against ruminal degradation in sheep
title_full	Use of tannins to protect insect meal protein against ruminal degradation in sheep
title_fullStr	Use of tannins to protect insect meal protein against ruminal degradation in sheep
title_full_unstemmed	Use of tannins to protect insect meal protein against ruminal degradation in sheep
title_sort	use of tannins to protect insect meal protein against ruminal degradation in sheep
publisher	Centre international de hautes études agronomiques méditerranéennes
publishDate	2021
url	http://hdl.handle.net/10261/249918 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780
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spelling	dig-igm-es-10261-2499182021-09-11T01:36:48Z Use of tannins to protect insect meal protein against ruminal degradation in sheep Toral, Pablo G. González Rosales, G. Hervás, Gonzalo Belenguer, Álvaro Mendoza, Alejandro G. Amanzougarene, Zahia Fondevila, M. Frutos, Pilar Ministerio de Economía y Competitividad (España) European Commission Toral, Pablo G. [0000-0002-1913-7707] Hervás, Gonzalo [0000-0002-0013-7459] Belenguer, Álvaro [0000-0002-9186-3463] Frutos, Pilar [0000-0002-4919-5094] Alternative feeds Condensed tannins Hydrolysable tannins Digestive utilisation Aliments alternatifs Tanins condensés Tanins hydrolysables Utilisation digestive 5 páginas, 2 tablas.--Contributed to: Efficiency and resilience of forage resources and small ruminant production to cope with global challenges in Mediterranean areas, Proceedings of the 1st Joint Meeting of the FAO-CIHEAM Network for Research and Development in Sheep and Goats (Subnetworks on Nutrition and Production Systems) and the FAO-CIHEAM Subnetwork on Mediterranean Forage Resources. López-Francos A., Jouven M., Porqueddu C., Ben Salem H., Keli A., Araba, A. and Chentouf M. (Eds.). Meknes (Morocco), 23-25 October 2019. [EN] Due to the high dependence of ruminant feeding systems on the use of soybean meal as source of protein, insect meals have been suggested as a promising alternative. However, a high rumen degradability might be a drawback for its utilisation. In this regard, tannins are known to be able to exert beneficial effects on the digestive utilization of protein-rich feeds due to a reduction of their degradation in the rumen, especially of the protein, although they might also restrict intestinal digestibility. Therefore, this experiment was conducted to examine if tannins could improve the digestive utilization of 4 insect meals (from Acheta domesticus, Alphitobius diaperinus, Tenebrio molitor and Zophobas morio). To this aim, four ruminally cannulated sheep were used to study the ruminal degradation and intestinal digestibility of these feedstuffs as well as those of soybean meal, which was used as a reference. The five substrates were treated with either 0% (control) or 15% DM of commercial tannin extracts from oak (OAK) or quebracho (QUE), and incubated in situ for 16 h. Afterwards, the intestinal digestibility of non-degraded protein was estimated in vitro. Both oak and quebracho tannins were able to protect the protein of insect meals from ruminal degradation, following a similar pattern than that observed in soybean meal. On average, reductions were about 15%, with no significant differences between oak and quebracho effects. On the opposite, the OAK treatment might offer advantages over QUE in terms of intestinal protein digestibility, as the latter caused a lower value in A. domesticus compared with the control. More research would be advisable to confirm these results, particularly in vivo [FR] . En raison de la forte dépendance à l’utilisation de tourteau de soja comme source de protéines dans les systèmes d’alimentation des ruminants, la farine d’insectes a été suggérée comme une alternative prometteuse. Cependant, une forte dégradation de sa protéine dans le rumen pourrait constituer un inconvénient à son utilisation. À cet égard, les tanins peuvent avoir des effets bénéfiques sur l’utilisation digestive des aliments riches en protéines, en réduisant leur dégradation dans le rumen, même si ils peuvent limiter la digestibilité intestinale. Par conséquent, cet essai a été mené afin d’examiner si les tanins pouvaient améliorer l’utilisation digestive de 4 farines d’insectes (provenant d’Acheta domesticus, Alphitobius diaperinus, Tenebrio molitor et Zophobas morio). Pour ce faire, quatre moutons munis d’une canule ruminale ont été utilisés afin d’étudier la dégradation ruminale et la digestibilité intestinale de ces aliments, en comparaison avec celles du tourteau de soja (aliment de référence). Les cinq substrats ont été traités avec 0 (témoin) ou 15% MS des extraits commerciaux de tanin de chêne (OAK) ou de quebracho (QUE) et par la suite ils ont été incubés in situ pendant 16 h. Ensuite, la digestibilité intestinale de la protéine non dégradée a été estimée in vitro. Les tanins de chêne et de quebracho ont permis de protéger la protéine des farines d’insectes de la dégradation ruminale, en suivant une tendance similaire à celle observée pour le tourteau de soja. En moyenne, la réduction de la dégradation protéique a été d’environ 15%, sans différence significative entre les effets du chêne et du quebracho. Au contraire, en termes de digestibilité intestinale des protéines, le traitement OAK pourrait offrir des avantages par rapport à QUE, puisque ce dernier a entrainé une valeur inférieure pour A. domesticus par rapport au contrôle. D’autres recherches seraient requises pour confirmer ces résultats, particulièrement en conditions in vivo P. G. Toral received a contract (RYC-2015-17230) from the MINECO, co-funded by the ESF. Peer reviewed 2021-09-10T10:38:24Z 2021-09-10T10:38:24Z 2021 artículo http://purl.org/coar/resource_type/c_6501 Options Méditerranéennes A, 125: 441-445 (2021) 1016-121-X http://hdl.handle.net/10261/249918 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100000780 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/RYC-2015-17230 https://om.ciheam.org/om/pdf/a125/a125.pdf Sí none Centre international de hautes études agronomiques méditerranéennes

Use of tannins to protect insect meal protein against ruminal degradation in sheep

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