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Performance of Nellore young bulls fed crude glycerin associated with soybean oil

Grant number: 13/23959-1
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2014
Effective date (End): January 31, 2015
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal researcher:Juliana Duarte Messana
Grantee:Eduardo Garbin Sgobi
Home Institution: Faculdade de Ciências Agrárias e Veterinárias (FCAV). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil

Abstract

The increase in biodiesel production in the country has resulted in increased availability of its co-products, including crude glycerin. Due to being a substrate with high power gluconeogenic for ruminants, their best understanding becomes necessary for inclusion in the diets as a source of nutrient. The present study aims to evaluate the dry matter intake and nutrient digestibility and performance of Nellore fed diets containing soybean oil and glycerin. Will be used 28 animals with approximately 375 kg of body weight and average age of 18 ± 2 months, distributed in a completely randomized in 2x2 factorial design (with and without glycerin; with or without soybean oil and combination of both), total of four treatments seven replications. Diets will consist of: T1 - control diet without the inclusion of soybean oil and glycerin ; T2 - inclusion of 6.13 % soybean oil in the dry matter (DM ), T3 - including 10 % crude glycerin replacing of the corn in the concentrate and T4 - the inclusion of 10% glycerol crude corn replacing part of the concentrate associated with soybean oil. These four diets will be evaluated on a forage:concentrate ratio of 40:60, and isoproteic and exclusive roughage is silage corn. The experimental confinement is 105 days, with 21 days of adaptation and three periods of 28 days.

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)
FIORENTINI, G.; MESSANA, J. D.; JOSE NETO, A.; SGOBI, E. G.; CASTAGNINO, P. S.; BERCHIELLI, T. T. Performance and meat quality of Nellore bulls fed crude glycerin combined with soybean oil. ANIMAL FEED SCIENCE AND TECHNOLOGY, v. 241, p. 45-54, JUL 2018. Web of Science Citations: 2.

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