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Dernière mise à jour : Mai 2018

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More robust animals: a major challenge for sustainable development of livestock production implying the blossoming of fine and highthroughput

INRA Prod Anim 27(3) 181-194

F. PHOCAS¹,², J. BOBE³, L. BODIN⁴,⁵,⁶, B. CHARLEY⁷, J.-Y. DOURMAD⁸,⁹, N.C. FRIGGENS¹⁰,¹¹, J.-F. HOCQUETTE¹²,¹³ , P.-Y. LE BAIL³ , E. LE BIHAN-DUVAL¹⁴, P. MORMÈDE⁴,⁵,⁶, P. QUÉRɹ⁵,¹⁶, F. SCHELCHER¹⁷,¹⁸

1 INRA, UMR1313 GABI, F-78352 Jouy-en-Josas, France

2 AgroParisTech, UMR1313 GABI, F-75231 Paris, France

3 INRA, UR1037 LPGP, F-35000 Rennes, France

4 INRA, UMR1388 GenPhySE, F-31326 Castanet-Tolosan, France

5 Université de Toulouse INPT ENSAT, UMR1388 GenPhySE, F-31326 Castanet-Tolosan, France

6 Université de Toulouse INPT ENVT, UMR1388 GenPhySE, F-31076 Toulouse, France

7 INRA, Virologie et immunologie moléculaires, F-78352 Jouy-en-Josas, France

8 INRA, UMR1348 PEGASE, F-35590 Saint-Gilles, France

9Agrocampus Ouest, UMR1348 PEGASE, F-35000 Rennes, France

10 INRA, UMR791 MoSAR, F-75005 Paris, France

11 AgroParisTech, UMR791 MoSAR, F-75005 Paris, France

12 INRA, UMR1213 Herbivores, F-63122 Saint-Genès-Champanelle, France

13 Clermont Université, VetAgro Sup, UMR1213 Herbivores, BP 10448, F-63000 Clermont-Ferrand, France

14 INRA, UR83 Recherches Avicoles, F-37380 Nouzilly, France

15INRA, UMR1282 ISP, F-37380 Nouzilly, France

16Université François Rabelais, UMR1282 ISP, F-37200 Tours, France

17 INRA, UMR 1225 IHAP, F-31076 Toulouse, France

18 Université de Toulouse, INP, ENVT, UMR1225 IHAP, F-31076 Toulouse, France

Abstract

The major challenge of animal phenotyping is to acquire systemic knowledge of farm animal robustness. This will allow responding to a double objective in terms of exploiting the variability of animal aptitudes: selection for major objectives in order to improve efficiency and robustness of genotypes and precision farming that exploits individual variability of animals for an improved resilience on the herd level or to improve the management for a specific genotype. Two major challenges of our knowledge exist which are interdependent and common to all animal breeding, and which must be met in order to improve animal robustness.  he first is understanding and predicting the compromise amongst vital functions. By this we mean understanding how priority changes are made under specific limited resources. The second is understanding and exploiting the temporal aspects of robustness during an animal’s life in order to allow the animal to maintain its level of performance under different environments without compromising its reproduction, health or welfare. Attaining these objectives requires accomplishing the following: i) defining complex phenotypes through the integration of data obtained on the molecular or tissular scales of an animal or of one of its functions; ii) developing high-throughput technologies to characterize at a lower cost and the most precisely as possible the largest number of animals; iii) developing important data bases and reliable methods and computing tools necessary for the treatment of information for modeling and predictive biology.

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