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The effects of the injection tag on growth and mortality of green tiger prawn juveniles (Penaeus semisulcatus DeHaan, 1844)
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N. Niamaimandi *   1, G. A. Zarshenas , M.K. Pazir , F. Mirzaei , E. Ashori |
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Abstract: (7916 Views) |
| Growth rate and mortalities of tagged and untagged shrimps among six tanks, each 300 l consists of 30 untagged shrimps and 30 tagged shrimps were studied in two stations Bandargah and Delvar during 4 months from February to June 2012. Weights of 10 specimens were randomly measured. The mortality of two groups was evaluated by counting of remained shrimps of which the average of survival rate was 52.0% for tagged and 44.5% for untagged shrimps in Bandargah. The mortality rates among the Control and tagged group were 63 and 59%. The mortality for the examined groups was significantly different between two stations suggesting that management and environmental conditions were the most influencing factors on the mortality rates. The results of ANOVA showed no significant difference in the weight growth of tagged and control groups. The results of the present study showed that the injected elastomer tags did not effect on growth and mortality rates. |
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| Keywords: Tagging, Green tiger prawn, Growth, Mortality |
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Full-Text [PDF 381 kb]
(2279 Downloads)
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Type of Study: Research |
Subject:
بيولوژي آبزيان
Received: 2014/12/29 | Accepted: 2014/12/29 | Published: 2014/12/29
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