Leoni F. Martins
- Assistant Clinical Professor of Precision Dairy Nutrition
University Park, PA 16802
- Email lxf5262@psu.edu
- Office 929-331-0238
- Teams Call me on Teams
Areas of Expertise
- Precision Dairy Nutrition
- Feed and Feeding Management
- Nutrient Use Efficiency
- Dairy Cattle Production
Education
- Ph.D. in Animal Science, The Pennsylvania State University, 2024
- M.Sc. in Veterinary Sciences, Federal University of Uberlandia, 2019
- B.S. in Veterinary Medicine, Federal University of Uberlandia, 2017
Publications
Publications
How Tall Should Your Pasture Be? Post-grazing Height Decisions That Affect Milk and Profit, Lawhead, Jim, Martins, Leoni, 2026
Energy reserves and reproduction: Why fertility starts long before the transition period, Lawhead, Jim, Martins, Leoni, 2026
Key Forage Quality Metrics for Corn Silage, Martins, Leoni, Guevara, Maria, 2026
Evaluating high-oleic soybean particle size, Martins, Leoni, 2026
From Sight to Science: Evaluating and Feeding High-Oleic Soybeans, Martins, Leoni, 2026
Graduate Student Literature Review: Rethinking concentrate feeding strategies for precision nutrition in lactating dairy cattle
Journal of Dairy Science, Martins, Leoni, Hristov, A, 2026
Feeding Soybeans in Pennsylvania Dairy Farms: Characterization of Usage Strategy, Economic Benefits, and Environmental Sustainability, Martins, Leoni, 2026
Soybeans for Dairy: Heat Treatment and Protein Fractions, Martins, Leoni, 2025
High oleic soy feed ingredients, Martins, Leoni, 2025
Evaluation of ruminal outflow of protein and nitrogen fractions, and total and individual essential amino acid predictions, by nutritional models in dairy cattle
Journal of Dairy Science, Martins, Leoni, 2025
Effects of methane inhibitors on ruminal fermentation and microbial composition in vitro using inoculum from phenotypically high- and low-enteric-methane-emitting cows
Journal of Dairy Science, Stepanchenko, N, Wasson, D, Indugu, N, Cueva, S, Martins, Leoni, 2025
Recent advances in enteric methane mitigation: insights from a meta analysis of tannin diets in small ruminant
GGAA proceedings, Gonzalez Quintero, R, Ardnt, C, Molina Botero, I, Cabezas-Garcia, E, Costa Junior, C, Arango Mejia, J, Hristov, A, Martins, Leoni, Dhehibi, B, Souissi, A, 2025
Soybeans for Dairy: Heat Treatment and Antinutritional Factors, Martins, Leoni, 2025
Diet optimization to increase income over feed cost of Brazilian dairy farms: an in silico modelling approach
Animal, Rauch, R, Salvador, T, Bobkov, M, Espinoza Orias, N, Ritz, A, Powel, C, Daniel, J, Martins, Leoni, Hristov, A, Fontoura, A, Van Amburgh, M, Soussan, E, 2025
Penn State Feeding Assessments, Martins, Leoni, 2025
Precision Dairy Nutrition, Martins, Leoni, 2025
In vitro assessment of the effect of free amino acids on ruminal fermentation and 15N enrichment of ruminal nitrogen pools
Journal of Dairy Science, Räisänen, S., Almeida, C, Zhu, X., Martins, Leoni, Richards, A., Wasson, D., Hristov, A, 2025
Precision Feeding in Dairy Cows: Increasing Efficiency and Profitability, Martins, Leoni, Hristov, A, 2022
Effect of glucose infusion dose and stage of lactation on urinary glucose excretion in dairy cows
Journal of Dairy Science, Malacco, V M R, Savage, M, Beckett, L, Hilger, S, Martins, Leoni, Neves, R, Funnell, B, Donkin, S, 2022
Effect of methane inhibitors on in vitro fermentation and CH4 production using rumen inoculum from cows with high and low methane yield phenotype
Journal of Dairy Science, Stepanchenko, N, Wasson, D, Cueva, S, Martins, Leoni, Silvestre, T, Pitta, D, Hristov, A, 2022
Effect of supplementation with Bacillus subtilis on rumen fermentation and enteric methane production in vitro
Journal of Dairy Science, Wasson, D, Cueva, S, Martins, Leoni, Räisänen, S, Stepanchenko, N, Chen, Y, Rottman, L, Hristov, A, 2022
Effects of botanical preparations on lactational performance and enteric methane emission in dairy cows
Journal of Dairy Science, Martins, Leoni, Crater, S, Cueva, S, Silvestre, T, Stepanchenko, N, Wasson, D, Hristov, A, 2022
Effects of corn hybrids differing in flavonoid content on rumen fermentation and enteric methane emission in vitro
Journal of Dairy Science, Cueva, S, Wasson, D, Martins, Leoni, Stepanchenko, N, Chatterjee, D, Lesko, T, Surinder, C, Hristov, A, 2022
In vitro evaluation of enteric methane mitigation strategies: A meta-analysis
Journal of Dairy Science, Martins, Leoni, Congio, G F S, Cueva, S, Lage, C F A, Ramin, M, Silvestre, T, Tricarico, J, Hristov, A, 2022
In vitro evaluation of the effects of high-protein duckweed on ruminal fermentation
Journal of Dairy Science, Stepanchenko, N, Wasson, D, Cueva, S, Martins, Leoni, Brennan, R, Hristov, A, 2022
Effects of partial replacement of solvent-extracted soybean meal by amino resin-treated soybean meal in the concentrate supplement of high producing grazing dairy cows
Livestock Science, Malacco, Victor, Martins, Leoni, Maciel, Isabella, Lage, Camila, Coelho, Raquel, Costa, Anna, Moura, André, Saturnino, Helton, Coelho, Sandra, Reis, Ronaldo, 2021
Prolonged, low-grade inflammation in the first week of lactation: Associations with mineral, protein, and energy balance markers, and milk yield, in a clinically healthy Jersey cow cohort
Journal of Dairy Science, Martins, Leoni, Menta, None, Fernandes, None, Machado, None, Neves, None, 2021
Alta CRIA 2021, Rafael Alves de, Azevedo, Alex de Matos, Teixeira, Carla Maris Machado, Bittar, Martins, Leoni, Lívia Carolina Magalhães Silva, Antunes, José Azael, Zambrano, José Eduardo Portela, Santos, Paula Marques, Tiveron, Polyana Pizzi, Rotta, Rodrigo Otávio Silveira, Silva, Sandra Gesteira, Coelho, Viviane, Gomes, Rodrigo Melo, Meneses, 2020
Nutritional value of fresh elephantgrass harvested at different regrowth ages
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Martins, Leoni, Prado, D.M.B., Gomes, G.R., Teixeira, A.M., Oliveira, L.N., Gonçalves, L.C., Oliveira, F.S., 2020
Alta CRIA 2019 - benchmarking for dairy calves and heifers, Alves de Azevedo, Rafael, Martins, Leoni, Marques Tiveron, Paula, de Matos Teixeira, Alex, Maris Machado Bittar, Carla, Lopes Júnior, Gláucio, Carolina Magalhães Silva Antunes, Lívia, Eduardo Portela Santos, José, Pizzi Rotta, Polyana, Melo Meneses, Rodrigo, Gesteira Coelho, Sandra, 2019
Characterization of rearing and evaluation of the management impacts over passive immunity and health of preweaned dairy heifers, Martins, Leoni, 2019
Challenges of knowledge transference in an effort to minimize social discrepancies, Gonçalves, L C, Ramirez, M, Teixeira, A, Santos, D, Pires, F P A A, Menezes, R, Martins, Leoni, Silva, B, 2016