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Research Note • Rev. Bras. Parasitol. Vet. 22 (4) • Oct-Dec 2013 • https://doi.org/10.1590/S1984-29612013000400024   copy

Use of a negative binomial distribution to describe the presence of Sphyrion laevigatum in Genypterus blacodes

Uso de distribuição binomial negativa para descrever a presença de Sphyrion laevigatum em Genypterus blacodes

Authorship SCIMAGO INSTITUTIONS RANKINGS

This paper describes the frequency and number of Sphyrion laevigatum in the skin of Genypterus blacodes, an important economic resource in Chile. The analysis of a spatial distribution model indicated that the parasites tended to cluster. Variations in the number of parasites per host could be described by a negative binomial distribution. The maximum number of parasites observed per host was two.

Sphyrion laevigatum ; Genypterus blacodes ; negative binomial distribution

Colégio Brasileiro de Parasitologia Veterinária FCAV/UNESP - Departamento de Patologia Veterinária, Via de acesso Prof. Paulo Donato Castellane s/n, Zona Rural, , 14884-900 Jaboticabal - SP, Brasil, Fone: (16) 3209-7100 RAMAL 7934 - Jaboticabal - SP - Brazil
E-mail: cbpv_rbpv.fcav@unesp.br
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