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      Efeitos da adição de gesso agrícola à cama aviária sobre o desempenho de frangos de corte Translated title: Effects of agricultural gypsum addition to broiler litter on broilers performance

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          Abstract

          O experimento foi realizado para avaliar o efeito da adição de gesso agrícola à cama aviária sobre o desempenho de frangos de corte. Quatro níveis de gesso: G1, G2, G3 e G4 (10, 20, 30 e 40%, respectivamente, em relação a um grupo controle que usou 50 kg de maravalha de madeira como cama ) foram testados. O gesso foi adicionado em diferentes períodos: T1 (quando as aves apresentaram nove dias de idade das aves) e T2 (quantidade total de gesso foi dividida ao meio e aplicada, respectivamente, aos 9 e 23 dias de idade das aves). O delineamento estatístico adotado foi o inteiramente ao acaso, com nove tratamentos, compondo um esquema fatorial 4 x 2 (nível de gesso x idade das aves) + grupo testemunha. Consumo de ração, ganho de peso, conversão alimentar e mortalidade foram avaliados em três períodos: 9 a 21 dias, 21 a 49 dias e 9 a 49 dias de idade das aves. O gesso não influiu no desempenho das aves, exceto no consumo de ração, no primeiro período avaliado (9 a 21 dias).

          Translated abstract

          The experiment was conducted to evaluate the effect of agricultural gypsum addition to broiler litter on broiler performance. Four levels of gypsum: G1, G2, G3 and G4 (respectively, 10, 20, 30 and 40% in relation to a control group that used 50 kg of wood scraps) were tested. The gypsum was added at different periods: T1 (when the broiler presented nine days of age) and T2 (the total amount of gypsum was divided in half and applied, respectively, at the 9 and 23 days of the broiler ages). A completely randomized design was used, with nine treatments, in a 4 x 2 factorial arrangement (level of gypsum x broiler ages) + control group. Feed intake, weight gain, feed:gain ratio and mortality were evaluated in three periods: from 9 to 21, from 21 to 49, and from 9 to 49 days of the broiler ages. The agricultural gypsum did not affect the broilers performance, except in the feed intake, in the first evaluated period (from 9 to 21 days).

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          Fertilizantes orgânicos

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            Research Note: The Utilization of Recycled Sheetrock (Refined Gypsum) as a Litter Material for Broiler Houses

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              A note on the utilization of zeolite or lime on hay litters for broilers

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                Author and article information

                Journal
                rbz
                Revista Brasileira de Zootecnia
                R. Bras. Zootec.
                Sociedade Brasileira de Zootecnia (Viçosa, MG, Brazil )
                1516-3598
                1806-9290
                April 1999
                : 28
                : 2
                : 320-325
                Affiliations
                [03] Jaboticabal SP orgnameUNESP orgdiv1FCAV orgdiv2Departamento de Ciências Exatas
                [02] Jaboticabal SP orgnameUNESP orgdiv1FCAV orgdiv2Departamento de Zootecnia
                [01] Jaboticabal SP orgnameUNESP orgdiv1FCAV
                Article
                S1516-35981999000200015 S1516-3598(99)02800200015
                10.1590/S1516-35981999000200015
                5a5cb2d2-b62b-4f6f-85f5-ac105f3190da

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 08 September 1997
                : 07 October 1998
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 12, Pages: 6
                Product

                SciELO Brazil

                Categories
                Monogástricos

                broiler litter,gesso agrícola,frangos de corte,desempenho,cama aviária,agricultural gypsum,broilers,performance

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