Effect of stock density of cultured Amazon Apple Snail Pomacea dolioides (Gastropoda: Ampullariidae) in Brazil



Título del documento: Effect of stock density of cultured Amazon Apple Snail Pomacea dolioides (Gastropoda: Ampullariidae) in Brazil
Revista: Revista Brasileira de Zootecnia
Base de datos: PERIÓDICA
Número de sistema: 000444018
ISSN: 1516-3598
Autores: 1
1
1
Instituciones: 1Universidade Federal do Amazonas, Instituto de Ciencias Exatas e Tecnologia, Itacoatiara, Amazonas. Brasil
Año:
Volumen: 48
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental, aplicado
Resumen en inglés This study evaluated the biomass gain, specific growth rate, absolute weight gain, and survival rate of the gastropod Pomacea dolioides cultivated in different stocking densities. To perform the experiment, samples were collected in March and June 2015. A total of 40 adult specimens were collected in the Jauary neighborhood (03°08′19.9"S, 58°27′32.5"W), municipality of Itacoatiara, AM, Brazil. They were kept in the laboratory for breeding to obtain the young P. dolioides, which were distributed into tanks containing 4 L of water and an aeration system, in three densities: 2.5 animals/L, 5 animals/L, and 10 animals/L, and were fed fish ration (34% gross protein). The specimens were measured for shell length and weight every fifteen days. The survival rate did not differ between treatments 2.5 and 5 animals/L (100%) and 10 animals/L (95.83%). The density with the best cultivation results was 2.5 animals/L, being most effective for the parameters of growth, weight gain, specific growth rate, and percentage weight gain, when compared with the other treatments after 225 days of the experiment. For future cultivation of this species, a density of 2.5 animals/L should be used to improve handling performance
Disciplinas: Biología,
Medicina veterinaria y zootecnia
Palabras clave: Moluscos,
Nutrición animal,
Acuacultura,
Densidad de población,
Pomacea dolioides,
Caracol manzana,
Brasil
Keyword: Fisheries,
Molluscs,
Aquaculture,
Animal nutrition,
Population density,
Pomacea dolioides,
Apple snail,
Brazil
Texto completo: Texto completo (Ver HTML) Texto completo (Ver PDF)