Abstract
The aim of these study was to examine the effect of the replacement fish meal with chicken feather meal (CFM) for eel Anguilla bicolor larvae. The study was conducted at the Laboratory of Ichthyology, Faculty of Marine and Fisheries of Syiah Kuala University on September to October 2017. The Complete Randomized Design (CRD) with 7 treatments and 4 replications were used in this study. The tested dosage of CFM were of 0% CFM (control), 10% CFM, 20% CFM, 30% CFM, 40% CFM, 50% CFM and 60% CFM, where each treatment were contained of protein 32.26% (0% CFM), 33.09% (10% CFM), 36.20% (20% CFM), 39.10% (30% CFM), 41.22% (40% CFM), 45.43 ( 50% CFM) and 40.02% (60% CFM). The experimental fish were stocked in the plastic container at the stocking density of 15 fish container-1 and fed the experimental diets at the feeding level of 10% body weight a day for 60 days. The results showed that the application of CFM in the diet was not given a significant effect on the weight gain, daily weight gain, specific growth rate (P>0.05). In addition, the fish fed on CFM did not show growth rate even reduces the body weight of the experimental fish. It is concluded that the application of the CFM in diet gave the negative effect on the growth performance of the eel larvae.
Highlights
A total 18 species of eels (Anguillidae) are reported worldwide (Aoyama, 2009); of these, 7 species are reported from Indonesia waters (Sugeha et al, 2008) where 3 species are recorded in Aceh Province waters (Muchlisin and Siti-Azizah, 2009; Muchlisin et al, 2015; Muchlisin et al, 2016a; Muchlisin et al, 2017; Muchlisin et al, 2018)
The aim of these study was to examine the effect of the replacement fish meal with chicken feather meal (CFM) for eel Anguilla bicolor larvae
The results showed that the application of CFM in the diet was not given a significant effect on the weight gain, daily weight gain, specific growth rate (P>0.05)
Summary
A total 18 species of eels (Anguillidae) are reported worldwide (Aoyama, 2009); of these, 7 species are reported from Indonesia waters (Sugeha et al, 2008) where 3 species are recorded in Aceh Province waters (Muchlisin and Siti-Azizah, 2009; Muchlisin et al, 2015; Muchlisin et al, 2016a; Muchlisin et al, 2017; Muchlisin et al, 2018). The eel is the commercial migratory fishes, they are growing in fresh water and spawning in seawater (Deelder, 1984; Masroni et al, 2015). The eels have been cultured in Indonesia and the larvae is supplied from the wild (Muchlisin et al, 2016a). The fish fed on the commercial diet which has high protein content (approximately 45% crude protein), and the feed has higher selling price; this is because of the feed contains a higher proportion of fishmeal that costly for small-scale farmers. It is very crucial to explore other potential protein sources to substitute the fishmeal in the diet for the eels, while one of the potential sources is chicken feather meal that has approximately of 83.74% crude protein (Adiati et al, 2004). Chicken feathers are a waste material from broiler industry and its can pollute the environment if not well treated, this is very promising material for feedstuff as a cheap source of protein for fish feed industry
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