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Sustainable precision feeding systems for swine:development of a new method to estimate methionine requirements

Grant number: 13/01309-5
Support type:Scholarships in Brazil - Master
Effective date (Start): May 01, 2013
Effective date (End): January 31, 2015
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
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):13/26852-3 - Sustainable precision feeding systems for swine: development of a new method to estimate methionine requirements, BE.EP.MS


The aim of this project is to study the problem of variability in response of animals at establish levels of methionine in the diet of growing pigs. This study is part of a larger project about integrated systems for precision nutrition for pigs (JP Project No. 2012/03781-0). To cater this goal, the project was divided into two studies. The first proposes to study, through meta-analysis, the types and levels of methionine and lysine: methionine ratio conventionally used in pig populations for further study of the model. The systematization of data and application of statistical techniques allow an overview of the population response to different ingestions of methionine. Providing a greater foundation for application and validation of the prediction model of nutritional requirements. In the second study, proposes to study the animal response to ingestion of diets with different levels of methionine provided by "Automatic and Intelligent Precision Feeder" (AIPF) using the model proposed by Hauschild et al., (2012). This model considers the animal variability, which directly impacts the reduction of production costs, the lower excretion of nitrogen and phosphorus to the environment and a likely improvement in the welfare and health of these animals. If successful this project will allow the implementation of a new system for estimating nutrient requirements and a new method of feeding pigs providing considerable advances in the area of nutrition and precision for Brazilian pig production.

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, A.; HAUSCHILD, L.; POMAR, C. Simulated amino acid requirements of growing pigs differ between current factorial methods. ANIMAL, v. 14, n. 4, p. 725-730, APR 2020. Web of Science Citations: 0.
REMUS, A.; POMAR, C.; PERONDI, D.; GOBI, J. P.; DA SILVA, W. C.; DE SOUZA, L. J.; HAUSCHILD, L. Response to dietary methionine supply of growing pigs fed daily tailored diets or fed according to a conventional phase feeding system. LIVESTOCK SCIENCE, v. 222, p. 7-13, APR 2019. Web of Science Citations: 0.
REMUS, ALINE; PERES, FRANCINE MENDES; HAUSCHILD, LUCIANO; ANDRETTA, INES; KIPPER, MARCOS; GOBI, JAQUELINE DE PAULA; POMAR, CANDIDO. Exploratory study on the utilization of different dietary methionine sources and methionine to lysine ratio for growing-finishing pigs. LIVESTOCK SCIENCE, v. 181, p. 96-102, NOV 2015. Web of Science Citations: 1.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
REMUS, Aline. Modelos para estimar exigências nutricionais de aminoácidos e resposta à ingestão de metionina : sistema tradicional por fases x nutrição de precisão. 2014. Master's Dissertation - Universidade Estadual Paulista "Júlio de Mesquita Filho" Faculdade de Ciências Agrárias e Veterinárias..

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