• Dr.Prasanti Mishra

Macrobrachium gangeticum is the third largest freshwater prawn in Ganga riverine system. Assessment of stocking density on growth and survival in Macrobrachium gangeticum was studied in six earthen tanks of size 0.02ha each at Central Institute of Freshwater Aquaculture, Kausalyaganga Farm. The advanced post larvae with an average weight of 1.02g were stocked at T-I, T-II, and T-III PL / m-2. Rearing was carried out for 180 days. PL were fed twice a day with prepared diet having 30% protein and 11% lipid @ 7- 10% of the body weight. Growth increment was recorded fortnightly. The physiochemical parameters monitored periodically were found within the desired ranges. Data manifested significantly higher (p< 0.05) growth rate in prawns in T-I compared to T-II and T-III. Average final growth was 38.3g, 30.4g and 25.5g in treatment T-I, T-II and T-III tanks respectively. Similar trend was also noticed in the survival recording 76%, 62% and 40% in three treatments respectively. Specific growth rate (SGR) was computed to be highest 0.87% in T-I followed by 0.81% in T-II and 0.77% in T-III stocking density. Results further suggest that although the average weight gain and survival were much higher in T-I, the total biomass production recorded to be insignificantly higher 7.38 kg in T-II compared to 6.12 kg in T-I but significantly (p<0.5) much less 3.02 in T-III. The Feed Conversion ratio (FCR) was found to be lowest in T1 (1.05) followed by T-II (2.26) and T-III (2.84) suggesting suitable stocking density at 2 post larvae/m2 for optimum prawn production.

Macrobrachium gangeticumi, post larvae, stocking density, growth and survival

"OPTIMIZATION OF STOCKING DENSITY OF MACROBRACHIUM GANGETICUM (BATE) POST LARVAE FOR GROWTH AND SURVIVAL ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 7, page no.329-342, July-2018, Available :http://www.jetir.org/papers/JETIR1807294.pdf

"OPTIMIZATION OF STOCKING DENSITY OF MACROBRACHIUM GANGETICUM (BATE) POST LARVAE FOR GROWTH AND SURVIVAL ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 7, page no. pp329-342, July-2018, Available at : http://www.jetir.org/papers/JETIR1807294.pdf