Abstract
In Iraq, for the first time, rearing juveniles of two species of shrimps, Metapenaeus affinis and Macrobracium nipponense in vitro with the addition of the Probiotic, AquaStar-PondZyme, BI, and molasses has taken place. Various environmental parameters were measured for the in vitro water samples; the results were as follows; temperature: 24-27 °C, Ph: 7-8, salinity: 12-17‰, dissolved oxygen: 5-6 mg•L-1, ammonia: 0.170- 0.200 mg•L-1 and Nitrate: 6-9 mg•L-1. The growth analysis for M. affinis and M. nipponense were as follows: initial weight (gm) 3.442 ± 0.368 and 0.127 ± 0.015, while final weight (gm) was 4.454 ± 0.844 and 0.217 ± 0.032, specific growth rate (SGR) (%•day-1) 21.21 ± 4.02, 3.460 ± 2.639, with the two species having similar survival (%) 93.330 ± 11.750, respectively, over a 21-day period. Statistical analysis of M. affinis shrimp showed significant differences (p 0.05). In addition, six genera (from it species) of bacteria were recorded with a density of CFU•mL-100; and arranged by density as follows; Bacillus subtilis, Enterococcus spp., Streptococcus spp., Faecal coliforms, Escherichia coli, Staphylococcus spp. on shrimp cultivated; M. affinis and M. nipponense, respectively.
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