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MarkEfficiency

Digestive and nutritional indicators of feed efficiency in cattle fed forage-based diets

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

MarkEfficiency project word cloud

Explore the words cloud of the MarkEfficiency project. It provides you a very rough idea of what is the project "MarkEfficiency" about.

food convert consumption trait milk security manipulation humanity billion ruminants metabolism sources projected indexes biomarkers settings phenotype sustainable nutritional digestion forage manner methane meat signature fed efficient explore avenue 2050 feeds nitrogen conversion fractionation suitable practical microbial protein cattle tool intake sustainability affluent nearly understand basis modern costly physiological diets indicators profitability techniques lengthy human incorporated demand young evaluation isotopic fibrous farming symbiotic residual competitive population tools drivers emissions double losses efficiency feed commercial societies newer rumen community phylotyping ruminant as animals variation correlate livestock forages additionally benchmark quality

Project "MarkEfficiency" data sheet

The following table provides information about the project.

Coordinator	INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT Organization address address: Rue De L'Universite 147 city: PARIS CEDEX 07 postcode: 75338 website: www.inra.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	France [FR]
Total cost	173˙076 €
EC max contribution	173˙076 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2014
Funding Scheme	MSCA-IF-EF-ST
Starting year	2015
Duration (year-month-day)	from 2015-09-01 to 2017-08-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT INSTITUT NATIONAL DE RECHERCHE POUR L'AGRICULTURE, L'ALIMENTATION ET L'ENVIRONNEMENT Organization address address: Rue De L'Universite 147 city: PARIS CEDEX 07 postcode: 75338 website: www.inra.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS CEDEX 07)	coordinator	173˙076.00

Map

Project objective

As the human population approaches 9.5 billion in 2050, and societies as a whole become more affluent, the demand for meat and milk is projected to nearly double. The current challenge facing humanity is to achieve food security in a sustainable manner. As such, sustainable livestock production must be targeted towards the efficient use of feeds not suitable for human consumption. As a result of their symbiotic rumen microbial population, ruminants are strong targets for manipulation as they can convert fibrous forages and low quality nitrogen sources into high protein meat and milk. Evaluation of the feed efficiency of ruminants fed non-competitive feed resources is an important avenue to increase the profitability and sustainability of European ruminant farming systems. Feed efficiency is a complex trait that is lengthy and costly to phenotype. Additionally, in order to provide a comprehensive evaluation of the “sustainable” phenotype, newer sustainability parameters, such as methane emissions and nitrogen losses need to be incorporated. Metabolism and digestion have been described as the two most important physiological drivers of variation of feed efficiency in ruminants. Thus, the objective of this proposal is to explore potential biomarkers and microbial indicators of feed efficiency in growing cattle fed forage-based diets to improve our understanding of the physiological basis of efficient animals. Using feed conversion efficiency and residual feed intake as benchmark indexes of efficiency, we will test and improve the use of modern isotopic N fractionation and rumen microbial phylotyping techniques as practical tools to evaluate feed efficiency in ruminants and to better understand and correlate the rumen microbial community signature to an efficiency phenotype. These biomarkers could be used as an early evaluation tool in young animals and in commercial settings for selection and assessment of nutritional management problems.

Publications

List of publications.
year	authors and title	journal	last update
2016	Meale S.J., Ortigues-Marty I., Chantelauze, C., Schiphorst A.M., Robins, R., Cantalapiedra-Hijar G. Isotopic natural abundance as biomarkers of between-animal variation in feed efficiency in ruminants published pages: 461, ISSN: , DOI:	Book of Abstracts of the 67th Annual Meeting of the European Federation of Animal Science	2019-07-24
2016	Sarah J. Meale, Milka Popova, Gonzalo Cantalapiedra-Hijar and Diego P. Morgavi Relationship between ruminal and cecal microbial signatures and feed efficiency in growing cattle published pages: , ISSN: , DOI:	10th Joint INRA-Rowett Symposium: Gut Microbiology	2019-07-24

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