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Growth and health of juvenile barramundi (Lates calcarifer) challenged with DO hypoxia after feeding various inclusions of germinated, fermented and untreated peanut meals

PloS one, 2020-04, Vol.15 (4), p.e0232278-e0232278 [Peer Reviewed Journal]

2020 Vo et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2020 Vo et al 2020 Vo et al ;ISSN: 1932-6203 ;EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0232278 ;PMID: 32352997

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  • Title:
    Growth and health of juvenile barramundi (Lates calcarifer) challenged with DO hypoxia after feeding various inclusions of germinated, fermented and untreated peanut meals
  • Author: Vo, Binh Van ; Siddik, Muhammad A B ; Chaklader, Md Reaz ; Fotedar, Ravi ; Nahar, Ashfaqun ; Foysal, Md Javed ; Bui, Dien Phan ; Nguyen, Huy Quang
  • Chen, Tzong-Yueh
  • Subjects: Alanine ; Alanine transaminase ; Antinutrition factors ; Aquaculture ; Barramundi ; Biology and Life Sciences ; Cortisol ; Diet ; Dissolved oxygen ; Earth Sciences ; Feeds ; Fermentation ; Fish ; Fish meal ; Fisheries ; Food conversion ; Germination ; Histology ; Hypoxia ; Immunology ; Inclusions ; Ingredients ; Lates calcarifer ; Legumes ; Levels ; Life sciences ; Lipids ; Liver ; Meals ; Medicine and Health Sciences ; Mucin ; Mucins ; Muscles ; Nutrient content ; Nuts ; Oils & fats ; Oxygen ; Peanuts ; Physical Sciences ; Potassium ; Proteins ; Seeds ; Survival ; Tannic acid ; Tannins
  • Is Part Of: PloS one, 2020-04, Vol.15 (4), p.e0232278-e0232278
  • Description: Peanut (Arachis hypogaea) is mainly grown for oil extraction and the remaining oil-free seed referred as peanut meal (PM) leaves with high protein content which can be a possible substitute for fishmeal in aqua-diets. This study evaluates the suitability of three types of processed peanut seeds, namely untreated PM (UPM), fermented PM (FPM), and germinated PM (GPM) from peanut seeds to replace fishmeal in barramundi (Lates calcarifer) diets cultured under a commercial production environment. Nine formulated diets having 3 inclusion levels from the 3 different peanuts (15%, 30% and 60% fishmeal replacement) were evaluated against a control without PM. The performance of various types and levels of PMs was assessed by examining the growth, gut and liver condition and survival of fish after eight weeks of feeding the test diets. The immunological responses of juvenile barramundi were assessed by exposing the fish to the hypoxic conditions for 4 hours. The results showed that fermentation and germination significantly (P<0.05) reduced the tannins and alkaloid contents in the PMs. The fish fed 15% GPM diet grew faster and had higher survival than fish fed control diet, while fish fed diet including 60% GPM showed a significant reduction in growth and survival, and an increase in food conversion rate (FCR). FPM and UPM at any inclusion levels did not alter the growth, survival and FCR. Histology analysis revealed that fish fed 60% GPM and UPM showed higher amount of lipid droplets in liver, myodigeneration in fish muscle and a decrease number of acidic mucins in distal gut compare to all other test diets. Stress caused by reduced dissolved oxygen did not change the sodium, potassium, chlorides and alanine aminotransferase concentrations of plasma of fish fed any diet. However, the stress did increase plasma cortisol significantly (P<0.05) in fish fed 60% GPM, 30% and 60% UPM diets. These results suggest that the PMs can partly replace the fishmeal in juvenile barramundi diet and the processing further improves the PMs quality by reducing its antinutritional factors which in turn can increase either its inclusion level in the barramundi diets or improved growth and health status of the species.
  • Publisher: United States: Public Library of Science
  • Language: English
  • Identifier: ISSN: 1932-6203
    EISSN: 1932-6203
    DOI: 10.1371/journal.pone.0232278
    PMID: 32352997
  • Source: GFMER Free Medical Journals
    PubMed Central
    Public Library of Science (PLoS)
    ProQuest Central
    DOAJ Directory of Open Access Journals
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