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Ideal amino acids profile to individual x population: verifying sulfur amino acids ratio to lysine for growing pigs

Grant number: 14/25075-6
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2015
Effective date (End): July 31, 2017
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Cooperation agreement: Coordination of Improvement of Higher Education Personnel (CAPES)
Principal researcher:Luciano Hauschild
Grantee:Aline Remus
Home Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated research grant:12/03781-0 - Sustainable precision feeding systems (PFS) for swine and poultry: estimating real-time individual nutrient requirements (pigs) and evaluation of the PFS (pigs and poultry), AP.JP
Associated scholarship(s):16/09703-2 - The ideal protein profile for growing pigs precision feeding systems: threonine, BE.EP.DR


In conventional group-phase-feeding systems, all pigs receive the same feed during long periods and therefore, to express their growth potential, most of the pigs receive more nutrients than they need. In precision feeding systems, pigs are fed with diets tailored daily to its individual nutrient requirements. Optimal amino acid ratios have been stablished for conventional phase-feeding systems but these optimal ratios may differ between conventional and precision feeding pig production systems. In this way, the aims of this project are to review the ideal amino acid profile concept, to evaluate the impact of experimental errors in the estimation of amino acid utilization efficiency and the adequacy and limitations of actual experimental approaches used to estimate the optimal amino acid requirement and amino acid ratios in growing domestic animals. And to compare optimal threonine/lysine amino acid ratio between conventional group phase-feeding and individual precision feeding systems. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
REMUS, ALINE; HAUSCHILD, LUCIANO; CORRENT, ETIENNE; LETOURNEAU-MONTMINY, MARIE-PIERRE; POMAR, CANDIDO. Pigs receiving daily tailored diets using precision-feeding techniques have different threonine requirements than pigs fed in conventional phase-feeding systems. JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY, v. 10, . (14/25075-6, 16/09703-2, 12/03781-0)
REMUS, ALINE; HAUSCHILD, LUCIANO; LETOURNEAU-MONTMINY, MARIE-PIERRE; ANDRETTA, INES; POMAR, CANDIDO. Feeding behavior of growing and finishing pigs fed different dietary threonine levels in a group-phase feeding and individual precision feeding system. TRANSLATIONAL ANIMAL SCIENCE, v. 4, n. 4, . (14/25075-6, 18/15559-7)
REMUS, A.; HAUSCHILD, L.; LETOURNEAU-MONTMINY, M-P; CORRENT, E.; POMAR, C.. The ideal protein profile for late-finishing pigs in precision feeding systems: Threonine. ANIMAL FEED SCIENCE AND TECHNOLOGY, v. 265, . (14/25075-6, 12/03781-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
REMUS, Aline. The ideal protein profile for growing-finishing pigs in precision feeding systems: threonine. 2018. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

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