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:: Volume 29, Issue 1 (3-2020) ::
isfj 2020, 29(1): 165-168 Back to browse issues page
The effect of Daphnia pulex enriched with various dietary rations on the growth and survival rates of Swordtail fish (Xiphophorus helleri) and Guppy (Poecilia reticulata) larvae
T. Enayat Gholampour , M. Pouladi, E. Sotoudeh, S.A.A. Hedayati
Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
Abstract:   (1278 Views)
In this study, specific weight and length growth and survival rates of Swordtail fish (Xiphophorus helleri) and Guppy (Poecilia reticulata) larvae using three feeding treatments including Daphnia pulex+O. africanum, D. pulex+O. africanum+Canola oil and D. pulex+Oscillatoria africanum+Fish oil were investigated. The results showed that the mean (±SE) specific growth rate of Guppy fish larvae were 6.11±0.9, 5.84±1.4 and 5.6±1.2 g and for Swordtail fish larvae were 2.3±0.4, 4.14±1.7 and 4.5±0.8 g, respectively. Also, the specific length growth rates of Guppy fish larvae were 1.2±0.35, 1.4±0.25 and 1.1±0.3 cm and for Swordtail fish larvae were 1.8±0.3, 2.4±0.45 and 2.6±0.6 cm, respectively. The survival rate (%) of Swordtail fish larvae were 35.33, 41.11 and 46.62% while for Guppy fish larvae were 46.12, 81.41 and 94.63%, respectively. 
Keywords: Ornamental fish larvae, Daphnia pulex, Oscillatoria africanum, Fish oil, Canola oil
Full-Text [PDF 341 kb]   (188 Downloads)    
Type of Study: Research | Subject: تغذيه
Received: 2019/02/12 | Accepted: 2019/08/19 | Published: 2020/04/21
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Enayat Gholampour T, Pouladi M, Sotoudeh E, Hedayati S. The effect of Daphnia pulex enriched with various dietary rations on the growth and survival rates of Swordtail fish (Xiphophorus helleri) and Guppy (Poecilia reticulata) larvae. isfj. 2020; 29 (1) :165-168
URL: http://isfj.ir/article-1-2191-en.html


Volume 29, Issue 1 (3-2020) Back to browse issues page

با کسب مجوز از دفتر کمیسیون بررسی نشریات علمی وزارت علوم، تحقیات و فنآوری مجله علمی شیلات بصورت آنلاین می باشد و تعداد محدودی هم به چاپ می رساند. شماره شاپای جدید آن ISSN:2322-5998 است

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