Volume 6, Issue 2 (2017)
JFST 2017, 6(2): 139-144 |
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Hosseini A. Growth performance and survival of Perinereis nuntia cultured on different sandy substrates. JFST 2017; 6 (2) :139-144
URL: http://jfst.modares.ac.ir/article-6-9853-en.html
URL: http://jfst.modares.ac.ir/article-6-9853-en.html
Abstract: (4499 Views)
The growth performance, biomass and survival of the marine polychaete (Perinereis nuntia)reared on different sandy substrates were evaluated. For this purpose, larvae of P. nuntia with initial length of 1 cm were collected and cultured on 4 different sandy substrates for 4-month period. The tested sands were collected from Bandargah Beach (Bushehr provience) and graded by screenings to 4 substrates grain size of <0.5, 0.5-2, 2-4 and >4 mm with 4 replications. At the end of the experiment, the worms grown in the sandy bed of less than 0.5 mm had significantly higher final weight and specific growth rate (p<0.05) and worms grown in the sandy bed more than 4 mm had higher survival and biomass (p<0.05). In general, this study showed that using different sandy substrates had no significant effects on growth performance and survival of P.nuntia.
Article Type: Short Communication Article |
Subject:
Fis nutrition
Received: 2016/04/18 | Published: 2017/08/23
Received: 2016/04/18 | Published: 2017/08/23
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