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Arq. bras. med. vet. zootec ; 59(1): 65-69, fev. 2007. tab
Article in Portuguese | LILACS | ID: lil-456415

ABSTRACT

Avaliou-se o efeito do bissulfato de sódio, aplicado sobre a cama de frangos, criados em diferentes densidades, na sobrevivência de Escherichia coli e coliformes, utilizando-se as densidades de 12, 16 e 20 aves/m², com a inoculação de uma cepa de E. coli. Houve maior desenvolvimento microbiano no 21° dia de criação, com tendência de redução a partir daí. A eficácia do bissulfato de sódio foi maior nos primeiros dias do experimento.


The effect of sodium bisulfate has been evaluated on survival of Escherichia coli and coliforms, when applied on the broiler beds, adopting different densities. It has been adopted densities of 12, 16 and 20 birds/m², using inoculations of E. coli strains. The results have shown the highest microbial development on the 21st day of inoculation, with a trend of a microbial reduction afterwards. The sodium bisulfate was efficient during the first days of analyses, reducing its efficacy during the experiment.


Subject(s)
Animal Husbandry/methods , Escherichia coli/isolation & purification , Poultry , Sulfates/adverse effects
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