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IJSTR >> Volume 9 - Issue 1, January 2020 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Potential Of Earthworm (Lumbricus Rubellus) Cultivated On Cow Dung Organic Wastes As An Alternative For Ingredients Of Cyprinus Carpio

[Full Text]

 

AUTHOR(S)

Achmad Mufti, Yenny Risjani, Arning W. Ekawati

 

KEYWORDS

Lumbricus rubella, earthworms, cow dung, common carp.

 

ABSTRACT

Fish feeds have been relying on protein sources from fish meal which are getting more expensive over time, therefore an alternative source of protein is needed as a source of fish meal protein. Earthworm (Lumbricus rubellus) is one alternative that meets the requirements as a source of protein because its nutrient content is relatively high, besides that earthworms are also quite easy to be cultivated so that farmers can produce it themselves. The purpose of this study was to determine the results of differences in the types of media for cultivating earthworms on growth and nutrient content of earthworms and to determine the effect of earthworm flour sustution on fish meal as the main protein source in common carp feed formulations. Cultivation of earthworms on different organic wastes, namely a combination of mushroom log and cow dung with media treatment doses of mushroom log worm 100%, mushroom log 75% and cow dung 25%, mushroom log 50% and 50% cow dung, 25% log mushroom and 75% cow dung, and 100% sai dung. The best results from cultivation on different organic wastes will be used as a substitute material for substituting fish meal as a source of animal protein in carp. Substitution of earthworm flour treatment against fish meal with treatments A (0%), B (25%), C (50%), D (75%) and E (100%). The main parameters observed included survival rate, specific growth rate, feed conversion ratio, and protein efficiency ratio,. The results of the cultivation of earthworms with the best media, 100% cow dung, with an average biomass weight of 1,220.53 g with nutritional content of 53,11% protein, 10,22% fat, 10,1% ash and carbohydrates 12,25%. The results of the showed that the use of earthworm meal substitution in feed did not affect the survival of carp, but had a very significant effect on the specific growth rate (SGR) of 56.67%; 2.49 BB / day; 44% for feed conversion ratio (FCR)1,94, 52% and for protein efficiency ratio (PER) 1.89; 54.14% .

 

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