Journal of Environmental Biology

Induced breeding of Catla catla carried out at low temperature in FRP carp hatchery of Arunachal Pradesh, India

Paper received: 23.10.2017????? ? ?????????Revised received: 07.04.2018??????? ?????????? Re-revised received: 03.08.2018? ??????????????????????? Accepted: 03.09.2018

Authors Info

A. Ghosh, B.C. Mohapatra,??????????????? P.P. Chakrabarti*, A. Hussan?? and A. Das       

ICAR-Central Institute of Freshwater Aquaculture, Bhubaneswar ? 751 002, India

*Corresponding Author Email :

ppcifa09@gmail.com

Abstract

Aim: The present study was undertaken to find out the possibilities of induced breeding of Catla catla, at low water temperature using fibre reinforced (FRP) tanks in a carp hatchery.    

Methodology: Brood fish of C. catla was maintained in 0.1 ha pond with proper feeding and pond management. Six induced breeding programmes: 3 in April (pre-monsoon) and 3 in June (monsoon) of 2017 were conducted with C. catla using synthetic hormone, Ovasis intra-peritoneally. The relationship between temperature variation and latency period, effective spawning period, fecundity, hatching start time, hatching duration and spawn production with its recovery was observed.

Results: The latency period (time gap between injection and first egg release) was very high and ranged between 653.3 and 721.6 min for breeding in the pre-monsoon and ranged between 446.6 and 480 min for monsoon period. In pre-monsoon, the effective spawning period between 86.6 and 116.6 min and in monsoon between 53.3 and 73.3 min; both varied significantly (p˂0.05). In pre-monsoon period, the average water temperature during larval incubation in hatching pool ranged between 21.58 and 22.58^?C, whereas during monsoon period it ranged between 30.1 and 30.4^?C. The spawn production was 0.13 to 0.22; and 0.47 to 0.65 (lakh kg^-1 b. wt. of female) in pre-monsoon and monsoon period, respectively, and showed a significant difference (p˂0.05).               

Interpretation: This report on breeding of C. catla in the temperature range of 18.6-24.7^oC indicates the possibility of spawn production of Indian Major Carp in the north east hilly region states of India

Key words: Catla catla, FRP carp hatchery, Induced breeding, Low temperature, Latency period, Spawn production

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