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Quality of the cysts of Artemia franciscana collected at Tuticorin with observations on growth, maturity and sex ratio of the offspring

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Relation http://eprints.cmfri.org.in/121/
 
Title Quality of the cysts of Artemia franciscana
collected at Tuticorin with observations on growth,
maturity and sex ratio of the offspring
 
Creator Rajamani, M
Asok Kumar, S
Vimala Maharajan, S
 
Subject Prawn and Prawn fisheries
 
Description The cysts of the exotic species of brine shrimp Artemia franciscana collected
from the natural ecosystem at Tuticorin during January 2001 were processed,
stored and their quality evaluated. A total of 22 experiments were conducted on
hatching and it was observed that the time taken for first hatching ranged from
13 hours and 10 minutes to 17 hours. The maximum hatching percentage recorded
at 24 hours and 48 hours were 52.0 and 79.9 respectively. The I instar
obtained from the hatching experiments were reared in outdoor culture tanks
at 30, 50, and 70 ppt with two different types of feed and the maximum size of
10.04 ± 0.3 mm was recorded on 18th day in the animals fed with rice bran at 70
ppt. The earliest first pairing and first spawning were recorded on 6th and 12th
days respectively in the animals fed with mixed phytoplankton at 50 ppt.
 
Publisher CMFRI/ICAR
 
Date 2003
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/121/1/IJF-4_Oct-Dec_-_9.pdf
Rajamani, M and Asok Kumar, S and Vimala Maharajan, S (2003) Quality of the cysts of Artemia franciscana collected at Tuticorin with observations on growth, maturity and sex ratio of the offspring. Indian Journal of Fisheries, 50 (4). pp. 479-488.