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Effect of water temperature on feed utilization, growth and survival of indigenous fish, Trichogaster lalius (Hamilton, 1822) under captivity.

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Title Effect of water temperature on feed utilization, growth and survival of indigenous fish, Trichogaster lalius (Hamilton, 1822) under captivity.
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Creator Sachin S*, Datta S, Sardar, P
 
Subject Dwarf Gourami, Trichogaster lalius, Colisa lalia, water temperature, growth, survival
 
Description Not Available
ABSTRACT : The experiment was carried out to study the effect of water temperature on growth, feed utilization and survival of Trichogaster lalius (Hamilton, 1822) under captivity. Juveniles of the fish (average length 3.94±0.07cm, weight 1.13 ±0.07g)
were stocked for the experiment of 90 days duration. The temperature variations were, control (water kept at ambient temperature), 20±20C, 25±20C, 30±20C, 35±20C. During experiment, fishes were fed with diet containing 35% crude protein at satiation
level. Weight gain (%), SGR%, FER, FER and PER were significantly higher in 25±20C and survival % was higher both in 20±20C (98.99±1.01) and 25±20C (97.98±1.01). It was observed that value of LT50 was 39.480C (38.83-40.15). The water temperature for 1.0% and 10% mortality of Trichogaster lalius was found to be 21.200C and 28.030C, respectively. ET50 value at control natural temperature was 26.91 days, at 200C and 250C, it was more than 1000 days, at 300C 668 days and at 350C 44.6 days, respectively. It is concluded from the present experiment that water temperature should be maintained around 21 to 280C for better grwoth, feed utilization and survival rate of Trichogaster lalius in captive condition. Water temperature beyond 400C may results more than 50% mortality
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Date 2022-06-16T07:18:56Z
2022-06-16T07:18:56Z
2020-04-21
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/72685
 
Language English
 
Relation Not Available;
 
Publisher Research Gate