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      Ingestão e digestibilidade aparente em ovinos alimentados com silagens de capim-elefante inoculadas com Streptococcus bovis Translated title: Intake and apparent digestibility in sheep fed elephant grass silage inoculated with Streptococcus bovis

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          Abstract

          Foram avaliadas a ingestão e a digestibilidade aparente de silagens de capim, utilizando-se 20 ovinos adultos, sem raça definida, castrados, distribuídos em delineamento inteiramente ao acaso, com quatro tratamentos: silagem de capim-elefante; silagem de capim-elefante inoculada com 10(6)UFC/g de()estirpes de Enterococcus faecium; silagem de capim-elefante inoculada com 10(6)UFC/g de estirpes de Streptococcus bovis JB1; e silagem de capim-elefante inoculada com 10(6)UFC/g de()estirpes de S. bovis HC5, e cinco repetições por tratamento. O período de avaliação foi de 21 dias, sendo 15 para adaptação e seis para as coletas. Observou-se diferença (P<0,05) entre o consumo de matéria seca, sendo a silagem-controle a que apresentou os valores mais baixos - 1,43%PV ou 42,79g/kg PV0,75/dia -, enquanto a silagem inoculada com S. bovis HC5 apresentou o melhor consumo de matéria seca, 2,3% PV ou 56,10g/kg PV0,75/dia. Menores valores de digestibilidade da matéria seca ocorreram na silagem-controle, 42,8% da MS, seguida pela silagem de capim-elefante inoculada com E. faecium e S. bovis JB1. Para a digestibilidade aparente da fibra em detergente neutro, houve efeito dos inoculantes (P<0,05) com valores acima de cinco pontos percentuais em relação à silagem inoculada, 54,7%.

          Translated abstract

          The intake and digestibility were evaluated in grass silage, using 20 adult sheep, mixed breed, distributed in a completely randomized design with four treatments: elephant grass silage without inoculant, elephant grass silage inoculated with 10(6)FCU/g of strains of Enterococcus faecium, elephant grass silage inoculated with 10(6)FCU/g strains of Streptococcus bovis JB1, elephant grass silage inoculated with 10(6)FCU/g of strains of S. bovis HC5 and five replicates per treatment. The evaluation period lasted 21 days being 15 for diet adaptation and six for the collections. There was a statistical difference (P<0.05) between the intake of dry matter of the silages assessed, and the highest values were recorded in the silages inoculated with microbial inoculants. Silage without inoculation had the lowest values (P<0.05) of dry matter intake (1.43% BW or 42.79g/kg BW0,75/day) and silage inoculated with Streptococcus bovis HC5 showed higher dry matter intake (2.3% or 56.10BW g/kg BW0,75/day). The lowest digestibility of dry matter occurred in the control silage (42.8% DM) followed by elephant grass silage inoculated with E. faecium and S. bovis JB1, respectively. The apparent digestibility of neutral detergent fiber was affected by inoculation (P<0.05) with values higher than five percentage points compared to elephant grass silage without inoculant (54.7%).

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              Indicators of milk and beff quality

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abmvz
                Arquivo Brasileiro de Medicina Veterinária e Zootecnia
                Arq. Bras. Med. Vet. Zootec.
                Universidade Federal de Minas Gerais, Escola de Veterinária (Belo Horizonte )
                1678-4162
                April 2012
                : 64
                : 2
                : 397-402
                Affiliations
                [1 ] Universidade Federal de Viçosa Brazil
                [2 ] Universidade Federal de Viçosa Brazil
                [3 ] Universidade Federal de Mato Grosso Brazil
                [4 ] Universidade Federal da Paraíba Brazil
                [5 ] Universidade Federal de Viçosa Brazil
                Article
                S0102-09352012000200020
                10.1590/S0102-09352012000200020
                3885c685-e971-4045-8708-f81da5466b1a

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-0935&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                ingestion,microorganism,nutritional value,digestion,digestão,ingestão,microrganismos,valor nutritivo

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