Data/hora: 03/06/2024 05:05:43

Provedor de dados: | 104
País: | Brazil
Título: | Haematological characteristics associated with parasitism in mullets, Mugil platanus Günther, from the estuarine region of Cananéia, São Paulo, Brazil
Autores: | Ranzani-Paiva,María José Tavares; Ishikawa,Carlos Massatoshi; Campos,Benedicto do Espírito-Santo de; Eiras,Augusta Cocuzza das.
Data: | 1997-01-01
Ano: | 1997
Palavras-chave: | Mugil platanus; Hematology; Parasitism; Mullet; Estuarine region.
Resumo: | This study involved 344 Mullets, Mugil platanus Günther, 1880, captured in the estuarine region of Cananeia, São Paulo, Brazil (25º00'S, 47º55'W). The following data were recorded for each fish: total weight, total length, haemoglobin ratio (Hb), haematocrit (Ht), erythrocyte count (Er), differential leucocyte count (lymphocytes, monocytes, neutrophils, basophils and "other cells") and haematometric indices; MCV, MCH, and MCHC. The sex and stage of gonadal maturity (undifferentiated, juvenile, resting, maturing, mature, and spent) were determined by macroscopical inspection of the gonads. Parasitological inspections revealed the following infestations: Gills - Trichodinidae, Monogenea, Copepoda, and Hirudinea. Liver: cysts of Digenea. Intestine: Nematoda, Digenea and Acanthocephala. Blood: Trypanosoma sp. and Haemogregarina sp. Analysis of variance was done to evaluate how far blood and gill parasitism had any effect on total length, total weight, the biological condition factor or the measured blood parameters. Significant differences were found for the haematocrit (infested versus noninfested by Trichodinidae) and for MCHC (infested versus noninfested by Trichodinidae and Copepoda). No differences were found with regard to leucocytes.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751997000200007
Editor: | Sociedade Brasileira de Zoologia
Relação: | 10.1590/S0101-81751997000200007
Formato: | text/html
Fonte: | Revista Brasileira de Zoologia  v.14 n.2 1997
Fonte: | info:eu-repo/semantics/openAccess