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Effect of inclusion of essential oils in the diet on the performance of Nellore, grazing grass during droughts Marandu

Grant number: 10/11924-0
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Start date: October 01, 2010
End date: September 30, 2011
Field of knowledge:Agronomical Sciences - Animal Husbandry - Animal Nutrition and Feeding
Principal Investigator:Gustavo Rezende Siqueira
Grantee:Rodolfo Maciel Fernandes
Host Institution: Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). São Paulo , SP, Brazil

Abstract

Objective with this project to evaluate the effect of the use of additives (monensin and essential oils) associated with protein supplementation on the performance of Nelore animals kept under continuous grazing of Brachiaria brizantha cv. Marandu during the dry season. The experiment will be conducted from June to November 2010 and will consist of 14 days for adaptation and three periods of 42 days each, totaling 140 days of evaluation. The treatments are: protein supplement, protein supplement protein supplement and monensin + + viande with average consumption of 1 g / kg of body weight (BW). Evaluations of pasture and weighing animals will be performed every 42 days, which will be assessed the performance of these animals and the mean weight of the consignment which will be used for calculations of load adjustment. The samples of the grass will be used for quantitative evaluation of forage. The experimental unit will be adopted the paddock, which is composed of six animals tested. The experiment is a randomized block experiment with the area being a blocking factor. The data will be analyzed using the GLM procedure of SAS statistical software 8.0 (1999), with the averages compared by Tukey test at 5% probability

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