Swordtail (<em>Xiphophorous helleri</em>) growth promoting activity and antibacterial property of pineapple (<em>Ananas comosus</em>) peel oil

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dc.contributor.authorLoganathan, Thanushanthahi
dc.contributor.authorGayani Yasodara, Liyanage
dc.contributor.authorManage, Pathmalal
dc.contributor.authorIdroos, Fathima Sumaiya
dc.date.accessioned2024-08-23T00:24:57Z
dc.date.available2024-08-23T00:24:57Z
dc.date.issued2024
dc.description.abstractThe use of phytogenics that are low-cost and highly available has the potential to address some environmental, social, and economic issues in fish culture. The present study was conducted to evaluate the effects of the dietary application of pineapple (<em>Ananas comosus</em>) peel oil (PPO) on the growth performance of Swordtail (<em>Xiphophorous helleri</em>) and the antibacterial effect against pathogenic bacteria. PPO was incorporated in the diet of Swordtail (initial average weight ± SD of 0.12±0.07g and average length± SD of1.15±0.25 cm) to analyze the effect on growth performance. Two triplicate groups (each tank stocked with 15 fish) were fed with control and experimental diet for 10 weeks. The results showed significantly enhanced growth performance of fish fed with an experimental diet. The average weight gain (282.0±35.0%), relative growth rate (2.82±0.35), specific growth rate (1.92±0.12 %day-1), and condition factor (0.42±0.02%) were all higher, and feed conversion ratio (0.0219 ±0.040) is lower in fish fed the experimental diet. The carbohydrate content (60.05±0.050 %) in the control feed was higher (p≤0.05), whereas moisture (11.35±0.11 %) and ash (13.77±0.03%) contents were higher (p≤0.05) in experimental feed. The disc-diffusion method was used to test the antibacterial activity of the crude PPO against <em>A. hydrophila</em> and <em>Pseudomonas</em> spp. The inhibition zones were 2.37±0.13 51 cm and 2.06±0.08 cm, respectively. Conclusively, the present study recommends using PPO, which has a potential antibacterial effect against bacterial pathogens, as a potential feed additive to improve the growth performance of swordtail.
dc.identifier.doihttps://doi.org/10.46989/001c.122086
dc.identifier.issn0792-156X
dc.identifier.urihttps://hdl.handle.net/10524/77278
dc.relation.ispartofThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectPineapple peel oil
dc.subjectGrowth performance
dc.subjectXiphophorous helleri
dc.subjectAnti-bacterial
dc.subjectAeromonas hydrophila and Pseudomonas spp.
dc.subjectFish Feed
dc.titleSwordtail (<em>Xiphophorous helleri</em>) growth promoting activity and antibacterial property of pineapple (<em>Ananas comosus</em>) peel oil
dc.typeArticle
dc.type.dcmiText
prism.volume76

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Volume 76, Issue 3, 2024