Results: 15

Fatty acid composition and metabolic pathways in Arbacia dufresnii (Arbaciidae: Arbacioida) gametes: implications of shrimp byproducts in aquaculture feeds

Rev. biol. trop; 72 (supl.1), 2024
Abstract Introduction: Care towards nutrition is essential for the quality of a sustainable aquaculture product. Since the balance in food affects the growth and production of gametes. The circular economy is made possible through the use of discarded materials. Objective: The aim of this research wa...

Estudio de la calidad del agua en estanques e implementación de un protocolo de buenas prácticas acuícolas en la producción de camarón marino en Camaronera Eben Ezer, San Alejo, La Unión

La Escuela Especializada en Ingeniería ITCA FEPADE, MEGATEC La Unión, a través de la carrera Técnico en Manejo Integrado de Recursos Costero Marino con especialidad en Acuicultura y Pesquería, realizó esta investigación en asocio con Camaronera Eben Ezer. El proyecto tuvo como objetivo la caracter...

Size distribution and sex ratio between populations of the artisanal harvested land crab Cardisoma guanhumi (Decapoda: Gecarcinidae), with the estimation of relative growth and size at sexual maturity in Puerto Rico

Rev. biol. trop; 69 (3), 2021
Abstract Introduction: Knowledge of growth patterns, sex ratio, and sexual maturity are of importance to exploited populations. The land crab Cardisoma guanhumi is an artisanal and subsistence exploited species in Puerto Rico. However, the growth patterns and sexual maturity of the local populations are ...

Áreas en riesgo de invasión por Procambarus clarkii (Decapoda: Cambaridae) un cangrejo de río introducido en Colombia

Rev. biol. trop; 69 (1), 2021
Introducción: El proceso de invasión biológica es una de las mayores amenazas a la biodiversidad y ecosistemas, con actuales y potenciales impactos en la salud pública y conservación. Procambarus clarkii es un crustáceo decápodo, originario del sur de Estados Unidos y noreste de México, que puede...

Assessment of interspecific interactions between the invasive red-claw crayfish (Cherax quadricarinatus) and the Mozambique tilapia (Oreochromis mossambicus)

Braz. j. biol; 80 (4), 2020
Abstract The Australian red-claw crayfish, Cherax quadricarinatus, has been introduced for aquaculture purposes worldwide and consequently colonized natural environments, where it might cause ecosystem services losses or adversely affect native species and the local environment. This species was first fo...

Analysis of the population structure and genetic diversity of the red swamp crayfish (Procambarus clarkii) in China using SSR markers

BACKGROUND: Procambarus clarkii produces high-quality, delicious meat that is high in protein, low in fat, and rich in calcium and phosphorus. It has become an important aquatic resource in China. Our objectives are (i) to analyze the level of genetic diversity of P. clarkii populations; (ii) to explore ...

Knowledge status of predators of the freshwater prawn Cryphiops caementarius (Decapoda: Palaemonidae) in river systems along the North Western Andean region from Perú and Chile

Rev. biol. trop; 68 (4), 2020
Introduction: Cryphiops caementarius, is an endemic prawn from river ecosystems in Southern Perú and Northern Chile. In these watersheds, natural populations are threatened by multiple anthropic interventions such as mining activities and fishing pressure, but also, by increasing impacts of invasive exo...

Sleep in the crustacean crayfish

Gac. méd. Méx; 155 (5), 2019
Sleep is defined as a state of unconsciousness, reduced locomotive activity and rapid awakening, and is well established in mammals, birds, reptiles and teleosts. Commonly, it is also defined with electrical records (electroencephalogram), which are only well established in mammals and to some extent in ...

Uso de monensina sódica en el cultiva de camarón marino Litopenaeus vannamei para el tratamiento de gregarinas en la Cooperativa Fauna Silvestre, Bahía de Jiquilisco: en asocio con Cooperativa Fauna Silvestre

Este proyecto estuvo orientado a evaluar el efecto del producto veterinario Monensina Sódica, un anticoccídico utilizado actualmente en el cultivo de camarón marino de la especie Litopennaeus vannamei para el tratamiento de la parasitósis por gregarinas. Durante la investigación se identificó la pr...

Incidencia de parásitos y bacterias del genero vibrio en el cultivo de camarón marino desarrollados en cooperativas camaroneras del municipio de Jiquilisco, Departamento de Usulután
Incidence of parasites and bacteria of the vibrio genus in the marine shrimp culture developed in shrimp cooperatives of the municipality of Jiquilisco, Department of Usulután

En El Salvador el 59.3% del camarón marino de la especie Litopenaeus vannamei se produce en la Bahía de Jiquilisco, departamento de Usulután, el cultivo tiene una duración de 60 a 90 días y el peso de cosecha oscila entre 7 y 12 gramos. El bajo crecimiento y las altas mortalidades son problemas que ...