Effects of macauba cake on profile of rumen protozoa of lambs

terça-feira, fevereiro 12, 2019

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Authors: Antonio Carlos Ramos dos Santos, Rafael Alves de Azevedo, Gercino Ferreira Virginio Júnior, Norberto Mario Rodriguez, Eduardo Robson Duarte, Luciana Castro Geraseev

Abstract: The present study was conducted to determine the effects of the inclusion of macauba cake, from biodiesel processing, on profile of rumen protozoa of Santa Ines lambs.

Twenty-four lambs were randomized in block design supplemented with macauba cake at 0, 100, 200, and 300 g/kg of dry weight of the diet. Concentrations of small, medium, and large protozoa had quadratic relationships with inclusion of macauba cake, with maximum protozoa occurring at 100 g/kg.

High genus diversity occurred in rumen fluid of lambs that did not feed macauba cake, comprising 13 protozoa genera. However, only the genera Isotricha, Charonina, Entodinium, Diplodinium, Eodinium, Diploplastron, and Polyplastron were detected in lambs fed 300 g/kg macauba cake, indicating that these protozoa were resistant to the effects of the cake.

Addition of macauba cake levels greater than 100 g/kg show antiprotozoal effect in the rumen.

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Page: Scielo