Comparación del coeficiente térmico de crecimiento en el camarón Penaeus vannamei en Ecuador con diferentes sistemas de alimentación
DOI:
https://doi.org/10.33936/at.v6i2.6689Palabras clave:
alimentación manual, alimentadores temporizados, hidrófonosResumen
Se estudió el crecimiento de 208 lotes de camarones en condiciones comerciales en la zona de Guayas (Ecuador) alimentados de forma manual al voleo, con comederos temporizados y con hidrófonos. Solo aparecieron diferencias significativas en la Tasa de Crecimiento Específica (TCE) a favor de la alimentación con los hidrófonos, pero no en el Crecimiento Diario (CD) o el Coeficiente Térmico de Crecimiento (CTC). No aparecieron diferencias significativas en el crecimiento de los lotes en función del mes de inicio del lote, cuando se analizaron mediante TCE o CD, pero sí cuando se empleó el CTC, siendo mayores los valores en junio y julio (con temperaturas del agua menores) frente a los lotes de enero y febrero (con temperaturas mayores) lo que reveló un fallo del modelo de crecimiento térmico cuando las temperaturas fueron superiores a 27 ºC. Al aplicar un límite máximo a la temperatura efectiva de 26 ºC, las diferencias desaparecieron, lo que sugiere su inclusión en el modelo CTC para camarón.
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Derechos de autor 2024 Miguel Jover Cerdá

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