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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology
Yustiati, Ayu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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Intestinal Histology of the Grouper Epinephelus lanceolatus fuscogutattus Administered With Simplicia Papaya Rostika, Rita; Yustiati, Ayu; Rizal, Achmad; Rudyansyah, Mochammad; Dewanti, Lantun Paradhita
BIOTROPIA Vol. 26 No. 3 (2019): BIOTROPIA Vol. 26 No. 3 December 2019
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2019.26.3.1107

Abstract

The grouper (Epinephelus sp.) is a marine fish species that is widely cultivated commercially for hatchery and grow–out purposes and shows a promising production prospect. The structure and development of fish intestines are influenced by internal and external factors, such as water quality, feed quality, and feed quantity. However, even though the protein content in the diet is relatively high, the growth performance of Epinephelus lanceolatus × Epinephelus fuscoguttatus remains low. This study aimed to determine the effect of papaya simplicia supplementation on grouper growth, specifically absolute weight gain and protein efficiency ratio. The experiment used a Completely Randomized Design with five treatments and three replications (A: papaya simplicia 5%, B: 3.75%, C: 2.5%, D: 1.25%, and E: 0% as the control). Groupers were reared in floating net cages in Pangandaran Regency, Indonesia. Supplementation of papaya simplicia at 3.75% and 5% increased the number of necrotic cells (169 and 183 cells, respectively), as well as the number of goblet cells. The addition of papaya simplicia at 5%, 3.75%, and 2.5% increased the absolute weight gain to 161.36 g, 152.19 g, and 152.09 g, respectively. Supplementation at 5% and 3.75% also increased the protein efficiency ratio to 3.18% and 3.19%, respectively.
Co-Authors Achmad Rizal Lantun Paradhita Dewanti Rita Rostika Rudyansyah, Mochammad