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Enriched Ulva pertusa as partial replacement of the combined fish and soybean meals in juvenile abalone Haliotis asinina (Linnaeus) diet

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Date
2020
Author
Santizo-Taan, Rena
Bautista-Teruel, Myrna
Maquirang, Jean Rose H.
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Abstract
The potential of enriched Ulva pertusa meal as feed ingredient in abalone juveniles, Haliotis asinina was evaluated. Four isonitrogenous and isolipidic diets were formulated which contain 27% protein and 5% lipid. Enriched U. pertusa meal replaced 0% (control), 10%, 20%, and 30% of protein from fish and soybean meals in the formulated diets. Thirty randomly selected abalone juveniles with average weight and shell length of 0.45 g ± 0.01 and 12.71 mm ± 0.01, respectively, were placed in each of the twelve 60-L oval fiberglass tanks equipped with a flow-through seawater system. Abalone were given diets at 3–5% body weight daily for 120 days in three replicate samples. Results showed no significant differences (p > 0.05) in percent weight gain, shell length, specific growth rate, feed conversion ratio, and protein efficiency ratio even up to 30% replacement level. Apparent dry matter digestibility of U. pertusa meal in abalone diet was 92%. Crude protein content of the abalone fed diets 1 (10% enriched U. pertusa meal) and 3 (30% enriched U. pertusa meal) was significantly (p < 0.05) higher than those fed on basal diet. Enriched U. pertusa meal can partially replace fish and soybean meals as protein source in formulated diets for abalone, Haliotis asinina juveniles.
URI
http://hdl.handle.net/10862/3549
Suggested Citation
Santizo-Taan, R., Bautista-Teruel, M., & Maquirang, J. R. H. (2020). Enriched Ulva pertusa as partial replacement of the combined fish and soybean meals in juvenile abalone Haliotis asinina (Linnaeus) diet. Journal of Applied Phycology, 32(1), 741-749.
DOI
10.1007/s10811-019-01977-5
Subject
Haliotis asinina AGROVOC; Ulva pertusa AGROVOC; abalones AGROVOC; Chlorophyceae AGROVOC; food enrichment AGROVOC
Taxonomic term
Ulva pertusa GBIF; Haliotis asinina GBIF
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