Nutritional composition and quality of African catfish (Clarias gariepinus) fed with Melaleuca cajuputi leaves extracts as a natural feed additive
African catfish, Clarias gariepinus were treated as; controls (fed with commercial feed); T1, (fed with 5 mg kg-1 Melaleuca leaves extract formulated in commercial feed); and T2 (fed with 10 mg kg-1 Melaleuca leaves extract formulated in commercial feed) and fed twice daily for 21 days. The effect...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Penerbit Universiti Kebangsaan Malaysia
2017
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| Online Access: | http://journalarticle.ukm.my/12330/ http://journalarticle.ukm.my/12330/ http://journalarticle.ukm.my/12330/1/46_02_05.pdf |
| Summary: | African catfish, Clarias gariepinus were treated as; controls (fed with commercial feed); T1, (fed with 5 mg kg-1 Melaleuca
leaves extract formulated in commercial feed); and T2 (fed with 10 mg kg-1 Melaleuca leaves extract formulated in commercial
feed) and fed twice daily for 21 days. The effects of the treatments on nutritional composition, microbiological and
physicochemical quality of the catfish were analysed. The nutritional composition of the catfish fed with Melaleuca leaves
extract formulated in commercial feed were not significantly modified (p>0.05). However, lipid and fibre content in T2
catfish showed a significantly (p<0.05) higher composition compared to the controls. The total bacteria load of T2 were
successfully reduced (p<0.05) compared to T1 and the controls. Water holding capacity (WHC) of T2 catfish were recorded
higher (77.93±6.95 %) but not significantly (p>0.05) different to the T1 and controls. pH value in all samples were recorded
at range of 5.2-5.6. Meanwhile the colour value (L*, a* and b*) were not significantly (p>0.05) different in all samples. Feed
additive of 10 mg kg-1 Melaleuca leaves extract are potential invention of aquafeed industry to be applied in aquaculture
practice as it offers a good microbiological and physicochemical quality to cultured African catfish. |
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