World Aquaculture Society Meetings


A. Santamaría-Miranda1 Aguilasocho Gutiérrez L.2, JP. Apún-Molina.1
Urfila V. Pelaez Estrada3.
1Instituto Politécnico Nacional-CIIDIR, Sinaloa. Boulevard Juan de Dios Bátiz Paredes # 250, Guasave, Sinaloa México 8110.
2Instituto de Negocios e Innovación, Zaragoza #1055 entre Teofilo Noris y Ángel Flores Col. Centro, 81000 Guasave, Sinaloa TEL/FAX: (687) 87 1-77-17.
3Instituto Tecnológico de Pinotepa. Av. Tecnológico S/N Col. Dispensario C.P. 71600 Santiago Pinotepa Nacional, Oax, Mx. Tels. (954) 54 3 5287, 54 3 5305, 54 35306  


The yellow snapper Lutjanus argentiventris is a species with high economic value in the coasts of the Mexican Pacific. In order to know the health conditions and to see how they are modified with the confinement of the organisms, 27 specimens were captured in the Bay Macapule located to the north of Sinaloa. All specimens were weighed (mg) and measured (cm) with an Ichymeter. To obtain the blood samples, the fish were extracted 1.5 ± 0.2 ml of blood by puncture in the caudal artery, using a syringe with 0.05 mL anticoagulant, to preserve the blood sample. The blood samples obtained were prepared on slides and stained with hemocolorant. They were then measured under a Leica M4000 microscope. In the cell size, significant differences (P <0.05) were observed between the different classes. It was observed that the size decreases as the length of the organisms increases. A similar case was observed with respect to the length of the core which decreases as the size of the fish increases, significant differences were observed between the analyzed sizes (P <0.05). Fish sizes formed another group negatively relating to the condition factor, suggesting that the smaller organisms had a better condition and size of blood cells than the larger ones.

Key words: Lutjanus argentiventris, blood cells, northern Mexico.

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