Determinar la madurez sexual en invierno de la jaiba azul callinectes sapidus en la zona sur la provincia de El Oro

Abstract:

The present investigation one carries out in the South Area of the County of The Gold in the towns of the Pto. Hualtaco and Jelí during the months of January to June of the 2006 with the purpose of knowing the times of sexual maturity of the females of the blue Jaiba Callinectes sapidus and their partial distribution during the monitorings. The time of sexual maturity you determines in the female ovadas according to the coloration of their ovocitos, the same ones that differed in 4 types: Orange, Coffee, Yellow and Black. For the interpretation of the obtained data they were carried out frequency distribution analysis, lineal regression analysis and graphics of percentages. The study allowed to establish that the width and longitude of the cefalotórax don't have any relationship since with its state of sexual maturity females they were presented of small you carve ovadas. The classes of widths predominant cefalotoraxicas in the Pto. Jeli and Pto. Hualtaco was of the range of 8,5-9,0 cm. In Pto. Jeli the regression analysis lineal width-longitude of the cefalotórax of the blue Jaiba (Callinectes sàpidus) ovadas, you estimates that the lineal equation was: 2,2207x-0,1221 and a r of 0,96. In Pto. Hualtaco the regression analysis lineal width-longitude of the cefalotórax of the blue Jaiba (Callinectes sàpidus) ovadas, you estimates that the lineal equation was: 2,2529x - 0,2636 and a r of 0,95. In Pto. Jeli, the biggest time of female ovadas you presents during the month of January with 33,80% of female ovadas. In a same way, in Pto. Hualtaco the biggest number of female ovadas you presents during the month of February with 25,67% followed by the month of January and May with 18,91%.

Año de publicación:

2015

Keywords:

• Madurez sexual
• JAIBA AZUL
• Determinacion

Fuente:

rraae