Utilization of poultry excreta for high density production of daphnia carinata (King 1853): Cost effective and environmental friendly technique

Daphnia carinata was cultured for 21 days using poultry excreta to fertilise the medium at the rate of 500 ppt and maximum density of 5633.32 ± 88 ind./l was recorded on 11th day of culture in the tanks,where,the feed was administered with 25% dosage followed by 50% dosage (1894.44 ± 9.68 ind./l) and 75% dosage (1103.55 ± 17.80 ind./l) of the initial dosage (500 ppt). a 50% renewal of the medium thrice a week proved optimal for the population development. the water analysis showed that the temperature range of 28 ± 2 °c and ph of 6-7 was conducive for optimal growth of d. carinata.