My research interests include the use of mathematical modeling and artificial intelligence to improve estimates of individual amino acid requirements of pigs and for early disease detection. I am also interested in using stable isotopes to study protein and energy metabolism in pigs in order to tailor diets to individual needs, minimize nutrient excretion, and allow greater use of alternative feeds in pig nutrition. Our current projects aim to understand the variability in lipid and protein deposition among pigs raised in similar conditions. Additionally we research how enzymes used as an alternative to antibiotics have different effects on different pigs. The last will help to better tailor individual solutions to avoid the use of antibiotics in pigs and to improve their robustness.
Our precision feeding projects focus on solutions to decrease pig carbon footprint through nutritional strategies. All these projects are developed in collaboration with Dr. C. Pomar.
Current research and/or projects
2020 – 2023 Meta-analysis on the efficiency of utilization of the different synthetic sources of methionine
2020 – 2024 Effect of the enzyme Lysozyme on pigs during the growing and weaning phase
2020 – 2024 Moving from precision feeding to precision nutrition by feeding pigs for optimal body weight gain and carcass leanness at minimal feeding costs and maximal nutrient efficiency
2018 – present Precision feeding to maximize nutrient efficiency and reduce environmental pollution using modelling to better predict amino acids requirements by considering individual variability.
2015 – present The ideal protein profile for growing-finishing pigs in precision feeding systems: threonine
Education and awards
2015 – 2018 Ph.D. in Animal Science, Université Laval (Québec, QC) dual-degree with Universidade Estadual Paulista (UNESP, Jaboticabal, SP, Brazil);
2013 – 2015 Master in Animal Science, UNESP (Jaboticabal, SP, Brazil);
2007 – 2012 Bacharelor in Animal Science, Universidade Federal de Santa Maria (UFSM, Santa Maria, RS, Brazil), majoring in nutrition and production of non-ruminants;
2004 – 2007 Technical degree in agriculture, Escola Agrotécnica Federal de Sertão (EAFS, Sertão, RS, Brazil), specialization in animal science.
Awards and Recognitions
2017 Student selected for the Evonik Student Seminar, organized and founded by Evonik North America (South Carolina, USA).
2017 Canadian Society for Animal Science (CSAS) Award - Travel Grant for Graduate Students at ASAS-CSAS Congress (Baltimore, USA).
2017 Canadian Society for the Study of Science (CSAS) Award - Third place at the CSAS Oral Student Graduate Competition at the ASAS-CSAS Congress (Baltimore, USA).
2017 Animal Nutrition Association of Canada (ANAC) Award - Second place in the Graduate poster competition in the 2017 Animal Nutrition Conference of Canada (ANCC)
Fellowships and Salary Subventions
2020 - 2024 PRP Salary subvention by Elanco North America, Ajinomoto Eurolysine, and Adisseo France;
2016 Doctoral Scholarship FAPESP* – internship abroad;
2015 – 2018 Faculty of Agricultural and Food Sciences Distinction Scholarships (3 received);
2015 – 2018 Université Laval Tuition Waiver Grant for Foreign Students ;
2015 – 2018 Doctoral Scholarship FAPESP*;
2015 Doctoral Scholarship Science without borders (competitive; approval rate: 18%) ;
2015 Doctoral Scholarship CNPq – first place in the overall ranking of all the students selected for the PhD in Animal Science 2015 at the FCAV - UNESP;
2014 Master Scholarship FAPESP – internship abroad ;
2013 – 2015 Master Scholarship FAPESP* (competitive);
2013 CNPq Master's Scholarship - First place in the overall ranking of all students selected for the Master in Animal Science 2013 at FCAV - UNESP;
2012 Technical Scholarship FAPESP;
International experience and/or work
Member of the organizing committee
2016 1st International meeting in advances in Animal Science, UNESP, Jaboticabal, Brazil.
2011 Chair, II Symposium in pet nutrition, UFSM, Santa Maria, Brazil.
2010 Workshop on rescue dog training, UFSM, Santa Maria, Brazil.
2009 VI Academic Week of Animal Science, Universidade do Estado de Santa Catarina, Chapecó, Brazil.
Peer-reviewed Papers (main)
2020 Remus, A., Méthot, S., Hauschild, L., Pomar, C., Precision livestock farming: real-time estimation of daily protein deposition in growing-finishing pigs. Accepted for publication at Animal.
2020 Hauschild, L., Kristensen, A. R., Andretta, I., Remus, A., Santos, L. S. and Pomar C. Toward better estimates of the real-time individual amino acid requirements of growing-finishing pigs showing deviations from their typical feeding patterns. Animal
2020 Schroeder, B., Andretta, I., Kipper, M., Franceschi, C. H., Remus, A., Empirical modelling of the quality of pelleted feed for broilers and pigs. Journal of Feed Science and Technology. Doi: 10.1016/j.anifeedsci.2020.114522
2020 Remus, A., Létourneau-Montminy, M.P., Hauschild, L. and Pomar, C. The Ideal Dietary Protein Profile for Finishing Pigs in Precision Feeding Systems and Phase Feeding Systems: Threonine. Journal of Feed Science and Technology. Doi: 10.1016/j.anifeedsci.2020.114500
2020 Remus, A., Del Castillo, J., Pomar, C. Improving the estimation of amino acid requirements to maximize nitrogen retention in precision feeding for growing-finishing pigs. animal. Doi 10.1017/S1751731120000798
2020 Remus A, Hauschild L and Pomar C. Simulated amino acid requirements of growing pigs differ between current factorial methods. animal 14, 725-730. doi:10.1017/S1751731119002660
2019 Pomar, C. and Remus, A. 2019. Precision pig feeding: a breakthrough toward sustainability. Animal Frontiers 9, 52-59.
2019 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; doi.org/10.1016/j.livsci.2019.02.006
2019 Remus, A., Hauschild, L., Corrent, E., Létourneau-Montminy, M.P., Pomar, C. 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; doi.org/10.1186/s40104-019-0328-7
2017 Perondi, D., Kipper, M., Andretta, I., Hauschild, L., Lunedo, R., Franceschina, C., Remus, A. Empirical models for predicting feed intake of growing-finishing pigs reared under high environmental temperatures. Scientia Agricola. 75: 4, pp. 296-303.
2016 Andretta, I., Kipper, M., Hauschild, L., Lehnen, C. R., Remus, A., Melchior, R. Meta-analysis of individual and combined effects of mycotoxins in growing pigs. Scientia Agricola. 73: 4, pp. 328-331.
2015 Remus, A., Mendes Peres, F., Hauschild, L., Andretta, I., Kipper, M., Gobi, J. P., Pomar, C. Exploratory study on the utilization of different dietary methionine sources and methionine to lysine ratio for growing–finishing pigs. Livestock Science. 181, pp. 96-102.
2015 Hauschild L., Bueno C. D., Remus, A., Gobi, J. P., Isola, R. D., Sakomura, N. K. Multiphase feeding program for broilers can replace traditional system. Scientia Agricola. 72, pp. 210-214.
2014 Remus, A., Hauschild, L., Andretta, I., Kipper, M., Lehnen, C. R., Sakomura, N. K. A meta-analysis of the feed intake and growth performance of broiler chickens challenged by bacteria. Poultry Science. 93, pp. 1149-58.
2013 Remus, A., Andretta, I., Kipper, M., Lehnen, C. R., Klein, C. C, Lovatto, P. A., Hauschild, L. A meta-analytical study about the relation of blood plasma addition in diets for piglets in the post-weaning and productive performance variables. Livestock Science. 155, pp. 294-300.
2012 Demori, A. B., Lovatto, P. A., Andretta, I., Kipper, M., Lehnen, C. R., Remus, A. Intensive pig production in confinement or outdoor systems: a meta-analytical study of the production performance in the growing and finishing phases and carcass and meat evaluation from the Longissimus dorsi [en portugais avec résumé en anglais]. Ciência Rural. 42, pp. 1294-1299.
2012 Andretta, I., Kipper, M., Lehnen, C. R., Remus, A., Demori, A. B., Lovatto, P. A. Meta-analysis of the relationship between ractopamine and dietary lysine levels on carcass characteristics in pigs. Livestock Science. 143, pp. 91-96.
2019 Pomar, C., van Milgen, J., Remus, A. Precision livestock feeding, principle and practice. In: Sustainable nutrition & feeding of pigs and poultry; Wageningen Academic publishers; Pages: 397 – 418. doi.org/10.3920/978-90-8686-884-1_18. Published Online: July 16, 2019
Forthcoming Andretta, I., Remus, A., Franceschi, C.H., Orso, C., Kipper, M. Environmental impacts of feeding crops to poultry and pigs. Elsevier.