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Nutritional characteristics of grasses and legumes: effects of crop, variety and maturity stage at harvest

Grant number: 18/07268-2
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): June 01, 2018
Effective date (End): September 30, 2018
Field of knowledge:Agronomical Sciences - Animal Husbandry - Pastures and Forage Crops
Principal Investigator:Luiz Gustavo Nussio
Grantee:Dannylo Oliveira de Sousa
Supervisor abroad: Elisabet Nadeau
Home Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Local de pesquisa : Swedish University of Agricultural Sciences, Skara (SLU), Sweden  
Associated to the scholarship:17/15934-0 - Influence of genotype and maturity on microbiological diversity, chemical-fermentative characteristics and protein matrix of corn kernels for silage, BP.PD


Three studies were designed to evaluate the differences among varieties and species of legumes and grasses in their nutritional composition and utilization by ruminants, 1) Silages of timothy-meadow fescue mixture or whole-crop barley harvested at two maturity stages fed to weathers with or without supplementation of rapeseed meal - Effects on in vivo digestibility, faecal particle size distribution and protein utilization; 2) Effects of variety and harvest time on yield and the quality of protein and fibre of red clover; and 3) Effects of variety and cut on yield and nutritive value and quality of protein and fibre of lucerne in comparison to red clover. The field phases of the experiments were performed by Dr. Elisabet Nadeau's team at the Swedish University of Agricultural Sciences (SLU) and the Post-Doctorate intern will work on the data analysis, literature review and manuscript writing for submission. The objectives of this project are a) to study the effect of crop, maturity at harvest and protein supplementation of grass silage and whole-crop barley silage diets on intake, in vivo digestibility, faecal particle size distribution and protein utilization when fed to weathers, and b) to evaluate the effects of varieties of lucerne and red clover and to compare red clover with lucerne on the nutritive value and the quality of protein and fibre in a three-cut system. (AU)

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)
SOUSA, DANNYLO O.; HANSEN, HANNE H.; NUSSIO, LUIZ G.; NADEAU, ELISABET. Effects of wilting and ensiling with or without additive on protein quality and fermentation of a lucerne-white clover mixture. ANIMAL FEED SCIENCE AND TECHNOLOGY, v. 258, DEC 2019. Web of Science Citations: 1.
NADEAU, ELISABET; DE SOUSA, DANNYLO OLIVEIRA; MAGNUSSON, ANNA; HEDLUND, SUSANNA; RICHARDT, WOLFRAM; NORGAARD, PEDER. Digestibility and protein utilization in wethers fed whole-crop barley or grass silages harvested at different maturity stages, with or without protein supplementation. JOURNAL OF ANIMAL SCIENCE, v. 97, n. 5, p. 2188-2201, MAY 2019. Web of Science Citations: 0.

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