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      Parâmetros hematológicos de frangos de corte alimentados com ração contendo aflatoxina B1 e fumonisina B1 Translated title: Hematological parameters of broiler chicks fed rations containing aflatoxin B1 and fumonisin B1

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          Abstract

          O objetivo deste trabalho foi avaliar os efeitos da aflatoxina B1 (AFB1) e da fumonisina B1 (FB1) sobre o hemograma e o leucograma de frangos alimentados com ração contendo as toxinas isoladamente e em associação, nos níveis de 0, 50 e 200mig de AFB1/kg, e/ou 0, 50 e 200mg de FB1/kg. O delineamento experimental foi inteiramente casualizado, em esquema fatorial 3x3, com 9 tratamentos e 12 repetições, totalizando 108 aves. Os frangos foram alimentados com as rações contaminadas do 8° até o 41° dia de vida. As aves de todos os grupos alimentados com micotoxinas apresentaram redução (P<0,05) nos valores de hematócrito, hemoglobina e número de hemácias, caracterizando um quadro de anemia, sendo que os grupos mais afetados foram os que receberam as maiores concentrações das toxinas em associação. Observou-se um menor (P<0,05) número de leucócitos em todos os tratamentos, porém esta redução foi mais intensa nos grupos tratados com 200mig/kg de AFB1, com ou sem FB1. Conclui-se que a AFB1 e a FB1, isoladas ou em associação, nos níveis utilizados no estudo, podem afetar negativamente os parâmetros hematológicos de frangos de corte.

          Translated abstract

          The aim of the present study was to evaluate the effects of dietary aflatoxin B1 (AFB1) and fumonisin B1 (FB1) on the hemogram and leucogram of broilers. The mycotoxins were added to rations, singly and in combination, at levels of 0, 50 and 200mug AFB1/kg, and/or 0, 50 and 200mg FB1/kg. A completely randomized 3 x 3 factorial design was used, with 9 treatments and 12 replications per treatment (total: 108 birds). Broilers were fed the contaminated rations from day-old 8 to 41. All the mycotoxin-treated groups had decreased (P<0.05) values of hematocrit, hemoglobin concentration and erythrocyte counts, which are common characteristics of anemia. The most affected birds were from groups receiving the highest levels of the combined mycotoxins. Lower (P<0.05) white blood cells counts were also noted in all groups fed mycotoxin-contaminated feeds, however, this reduction was more severe in broilers fed 200mug AFB1/kg, alone or in association with FB1. The conclusion is that both AFB1 and FB1, singly or in combination at the levels studied, can negatively affect the hematological parameters of broiler chicks.

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          Most cited references25

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          Nutrient Requirements of Poultry

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            Diário Oficial da República Federativa do Brasil.

            (2010)
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              Recent studies of mycotoxins.

              M O Moss (1998)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cr
                Ciência Rural
                Cienc. Rural
                Universidade Federal de Santa Maria (Santa Maria )
                1678-4596
                June 2006
                : 36
                : 3
                : 924-929
                Affiliations
                [1 ] Instituto Biológico de São Paulo Brazil
                [2 ] Universidade de São Paulo Brazil
                [3 ] University of Missouri United States
                [4 ] University of Missouri USA
                Article
                S0103-84782006000300030
                10.1590/S0103-84782006000300030
                c6701c21-fb78-45a8-87be-a30942bdaf42

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

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-8478&lng=en
                Categories
                AGRONOMY

                Horticulture
                hematologia aviária,AFB1,FB1,avian hematology,broilers,fumonisina B1,aflatoxina B1,frangos de corte

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