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Advancement in spawning period of Labeo dyocheilus (McClelland, 1839) in the mid Himalayan regions by hormonal manipulation using Ovatide.

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Title Advancement in spawning period of Labeo dyocheilus (McClelland, 1839) in the mid Himalayan regions by hormonal manipulation using Ovatide.
Not Available
 
Creator Singh R
Pandey NN
Gupta M
Singh AK
 
Subject Advance spawning, Labeo dyocheilus, Mid Himalayas, Ovatide
 
Description Not Available
An attempt was made to advance the spawning period of Labeo dyocheilus (McClelland, 1839) by pretreatment with the
synthetic gonadotropin releasing hormone analogue, Ovatide. Total 12 females and 24 males (1: 2 ratio) were used for
breeding operations conducted during 30th May to 30th June 2016 comprising six sets. Female fishes of set I to IV were
pretreated with intramuscular injection of the ovatide at the rate 0.3 ml kg-1 body weight twice at an interval of two weeks
while males were injected @ 0.1 ml kg-1 body weight once before 15 days of induced breeding trial for achieving advance
maturity and spawning during prespawning phase. Fishes of set V and VI were not subjected to any pretreatment with
ovatide. On 30th of June all the six breeding sets were treated with ovatide for induced spawning. Female and males were
injected at 0.7 and 0.3 ml kg-1 of body weight, respectively and left overnight in FRP tanks for spawning. Results indicated
that in sets I to IV, fishes successfully spawned and fertilised eggs were collected in morning hours whereas fishes of set
V and VI failed to spawn. Fertilisation and survival rates recorded were 79-82 and 67-71%, respectively. Results indicated
that treatment of ovatide during prespawning phase is beneficial for advancing the gonadal maturity, successful induced
spawning and prolonging the breeding period which may play a key role in production of substantial quantity of seed of
L. dyocheilus.
Not Available
 
Date 2021-08-23T10:47:00Z
2021-08-23T10:47:00Z
2020-01-01
 
Type Research Paper
 
Identifier Singh R, Pandey NN, Gupta M and Singh AK (2020). Advancement in spawning period of Labeo dyocheilus (McClelland, 1839) in the mid Himalayan regions by hormonal manipulation using Ovatide. Indian Journal of Fisheries, 67(3): 164-167, DOI: 10.21077/ijf.2020.67.3.88302-19.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/60225
 
Language English
 
Relation Not Available;
 
Publisher Indian Journal of Fisheries