Investigating Manure Potentials On Zooplankton Performances And Water Quality In Concrete Pond Culture

7 PAGES (4192 WORDS) Zoology Article/Essay

An inquiry on the blatant effectiveness of manure on zooplanktons and water quality in a concrete pond culture was reviewed within durations of twelve weeks. Zooplanktons were obtained using scooping net and water sample analysisdetermined using standard techniques. Result revealed a higher culture of zooplanktons using poultry manure than those from cow dungs: 10 zooplankton species belonging to Rotifera, Cladocera and Crustacea was recorded with Brachionuscalyciflorusand Brachionusleydigi, Miona spp. and Daphnia spp. the dominating species in both ponds exposed to treatment manures while Asplanchnaherricki, Bosmina spp. and Nauplius spp. were encountered less in both treatment exposures. Water from cultured ponds were well oxygenated (5. – 7.5 mg/l for cow dung tank & 6.4 – 7.8 mg/l for poultry dropping tank) with extremely low BOD5 (0.93 – 1.75 mg/l in cow dung tank and 0.77 – 1.55 mg/l in poultry dropping tank) and slightly acidic-alkaline pH (6.4-7.5 in cow dung tank and 6.5 – 7.3 in poultry dropping tank). The high abundance of rotifers and crustaceans in both culture media shows that manure fosters zooplanktons growth and development and can supplement for fish meal.