Circadian cycle of digestive enzyme production at fasting and feeding conditions in Nile tilapia, Oreochromis niloticus (Actinopterygii: Perciformes: Cichlidae)

Montoya-Mejía, Magnolia; Rodríguez‐González, Hervey; Nolasco-Soria, Héctor

doi:10.3750/aip2016.46.3.01

Cited by 4 publications

(1 citation statement)

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“…The activity of digestive enzymes such as proteases and amylases may constitute one of the most crucial factors to determine the dietary efficiency and improve growth (Guerra‐Santos et al 2016). According to Montoya et al 2016 the high efficiency of feed due to digestive enzymes in nocturnal fish are generally active at night. This causes the catfish in continuous dark conditions to be more efficient in using feed compare with catfish reared at 12D:12L conditions, so that the growth rate is also higher and a higher weight gain is obtained than those reared in control conditions (12L:12D).…”

Section: Discussionmentioning

confidence: 99%

Cannibalism, survival and growth performance of juvenile African catfish Clarias gariepinus in relation to photoperiod and 17β‐Oestradiol treatment

Indriastuti

Zairin

Suprayudi

et al. 2022

Aquaculture Research

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Cultivation of African catfish Clarias gariepinus is an industry-based leading commodity and is growing rapidly in Indonesia. Increasing catfish production requires support from a continuous supply of high-quality fingerlings. The application of appropriate technology would be very beneficial in increasing productivity in catfish fingerling production, especially in overcoming the issue of cannibalism which contributes to more than 50% of juvenile African catfish mortality (Hecht & Appelbaum, 1988; Appelbaum & Van Damme, 1988).Cannibalism in catfish begins at three and a half days after they begin eating (at an average total length of 8 mm) and increases significantly when they approach an average length of 80 mm or 47 days after they begin eating (Adamek et al., 2011;Mukai et al., 2013).There are two types of cannibalism and both are the main function of the correlation between predator mouth width and prey head width. Type-I cannibalism occurs in juveniles measuring 8-45 mm

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Section: Discussionmentioning

confidence: 99%