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Effect of different levels and sources of nitrogen on protein metabolism and urea kinetics in Nellore cattle in feedlot

Grant number: 16/16796-7
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2016
Effective date (End): April 30, 2020
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal Investigator:Telma Teresinha Berchielli
Grantee:Vinícius Carneiro de Souza
Host Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Associated scholarship(s):19/09201-5 - Evaluating individual animal responses to shifts in feed composition for developing individualized feeding recommendations, BE.EP.DR

Abstract

This project aims to evaluate the effect of different levels and sources of nitrogen on the protein metabolism and urea kinetics in Nelore cattle in feedlot receiving high grain diets. It will assess the intake and digestibility of nutrients, ruminal and blood parameters, the kinetics of urea, the efficiency of use of amino acids and nitrogen excretion in feces and urine. The results of this study will draw up nutritional strategies to optimize animal performance with reduction of feeding costs and environmental impacts of feedlot cattle production in highlighting the increasing N use efficiency in high-grain diets. In addition, this study may contribute for future research that evaluate animal performance across the different strategies proposed.

News published in Agência FAPESP Newsletter about the scholarship:
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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)
DE SOUZA, VINICIUS CARNEIRO; MESSANA, JULIANA DUARTE; BATISTA, ERICK DARLISSON; GOMES CARVALHO ALVES, KENIA LARISSA; LINO DIAS, ANA VERONICA; CAMPOS, LETICIA MARRA; LIMA, LAIS DE OLIVEIRA; GRANJA-SALCEDO, YURY TATIANA; FARIA, LETICIA RODRIGUES; CARVALHO, GEOVANY MACEDO; et al. Assessing amino acid utilization in young Nellore steers fed high-concentrate diets with different sources and levels of nitrogen. ANIMAL FEED SCIENCE AND TECHNOLOGY, v. 269, . (16/22022-4, 16/16796-7)
DE SOUZA, VINICIUS CARNEIRO; MESSANA, JULIANA DUARTE; BATISTA, ERICK DARLISSON; CARVALHO ALVES, KENIA LARISSA GOMES; TITGEMEYER, EVAN C.; PIRES, ALEXANDRE VAZ; FERRAZ JUNIOR, MARCOS VINICIUS; SILVA, LORRAYNY GALORO; NEGRAO, JOAO ALBERTO; COSTA, VLADIMIR ELIODORO; et al. Effects of protein sources and inclusion levels on nitrogen metabolism and urea kinetics of Nellore feedlot steers fed concentrate-based diets. JOURNAL OF ANIMAL SCIENCE, v. 99, n. 8, . (16/22022-4, 16/16796-7, 19/12740-5, 19/09201-5)
GOMES CARVALHO ALVES, KENIA LARISSA; GRANJA-SALCEDO, YURY TATIANA; MESSANA, JULIANA DUARTE; DE SOUZA, VINICIUS CARNEIRO; GENEROSO GANGA, MARIA JULIA; DETOGNI COLOVATE, PAULO HENRIQUE; KISHI, LUCIANO TAKESHI; BERCHIELLI, TELMA TERESINHA. Rumen bacterial diversity in relation to nitrogen retention in beef cattle. Anaerobe, v. 67, . (17/02034-0, 16/16796-7, 18/13885-4, 16/22022-4, 17/11571-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SOUZA, Vinícius Carneiro de. Protein metabolism and urea kinetic in feedlot Nellore steers fed with different protein sources and inclusion levels. 2020. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Faculdade de Ciências Agrárias e Veterinárias. Jaboticabal Jaboticabal.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.