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Influence of supplementation of two sources of selenium on meat quality from confined beef cattle

Grant number: 15/07175-6
Support Opportunities:Regular Research Grants
Duration: November 01, 2015 - October 31, 2017
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal Investigator:Marcus Antonio Zanetti
Grantee:Marcus Antonio Zanetti
Host Institution: Faculdade de Zootecnia e Engenharia de Alimentos (FZEA). Universidade de São Paulo (USP). Pirassununga , SP, Brazil


The change in the composition of the meat by providing selenium can add value to the final product and improve the nutritional quality for the consumer. On this way, the general objective of the study will be to determinate the effect of supplementation of different levels and sources of selenium in Nelore cattle diet on animal performance and meat quality and its nutritional value. For that will be used 63 Nelore bovines will be divided in 7 groups, with 9 animals per treatment, as described: (C) - control without additional supplementation of selenium; (SeO1) - Control + 0.3 Se / kg DM in the form of selenium yeast; (SeI1) - Control + 0.3 mg Se / kg DM in the form of sodium selenite; (SeO2) - Control + 0.9 mg Se / kg DM in the form of selenium yeast; (SeI2) - Control + 0.9 mg Se / kg DM in the form of sodium selenite; (SeO3) - Control + 2.7 mg Se / kg DM in the form of selenium yeast; (SeI3E) - Control + 2.7 mg Se / kg DM in the form of sodium selenite. With this design, it is expected to increase the nutritional quality of beef meat, establish the best level of supplementation and the most appropriate source for both organic selenium supplementation as to lower cholesterol. (AU)

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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)
SILVA, J. S.; RODRIGUEZ, F. D.; TRETTEL, M.; ABAL, R. T.; LIMA, C. G.; YOSHIKAWA, C. Y. C.; ZANETTI, M. A.. Performance, carcass characteristics and meat quality of Nellore cattle supplemented with supranutritional doses of sodium selenite or selenium-enriched yeast. ANIMAL, v. 14, n. 1, p. 215-222, . (15/07175-6)
DA SILVA, JANAINA S.; ROSA, ALESSANDRA F.; MONCAU, CRISTINA T.; SILVA-VIGNATO, BARBARA; PUGINE, SILVANA MARINA P.; DE MELO, MARIZA P.; SANCHEZ, JOAO MARCELO D.; ZANETTI, MARCUS ANTONIO. ffect of different selenium sources and concentrations on glutathione peroxidase activity and cholesterol metabolism of beef cattl. JOURNAL OF ANIMAL SCIENCE, v. 99, n. 12, . (15/07175-6)

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