Browsing Escuela de Ciencias Biológicas by Subject "FERTILITY"
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Batch fertility and larval parameters of the jaguar cichlid (Cichlasoma managuense) spawned in the laboratory
(Universidad Nacional (Costa Rica), 1994-05-06)Abstract: Batch fertility and larval parameters of 32 spawns of the jaguar guapote (Cichlasoma managuense) in the laboratory were analyzed. Batch fertility was positively correlated with the female weight with spawns between ... -
Fecundidad de la anchoveta Cetengraulis mysticetus (pisces: engraulidae) en la población de la parte interna del Golfo de Nicoya, Costa Rica
(Universidad Nacional (Costa Rica), 2001)La anchoveta Cetengraulis mysticetus es utilizada como carnada por la flota pesquera artesanal tradicional. Se estudiaron sus aspectos reproductivos durante los picos de desove de 1997 y 1998. La talla reproductiva en esa ... -
Technical and economic feasibility of adding pure oxygen for rotifer production (Brachionus plicatilis) spotted snapper (Lutjanus guttatus) larvae feeding
(Tecnológico de Costa Rica (TEC) (Costa Rica), 2016-08-30)A study to technically and economically evaluate the addition of pure oxygen in a culture of rotifers for feeding marine fish in the Pacific Marine Park, Puntarenas, Costa Rica was performed. The results showed no ...