Monitoring pond water quality to improve the production of Labeo rohita (Hamilton, 1822) in Bannu Fish Hatchery of Bannu district, Khyber Pakhtunkhwa province; An Implications for artificial fish culture

Abstract

The water quality parameters of a fish pond are essential to be managing properly under control for successful operations of fish culture. Improper management of pond water quality during the juvenile stages can create stressful conditions to produce various harmful diseases, which may decrease the fish quality and results in low profits. The present study was aimed to monitored important water quality parameters of nursery ponds of Labeo rohita culturing in Bannu fish hatchery. The study duration was 75 days extends from 10th June to 24th August 2019 for the successful culture of this specie which can play a significant role in breeding season. Furthermore, the concentration of some heavy metals like copper (Cu), nickel (Ni), manganese (Mn), iron (Fe), cadmium (Cd), and zinc (Zn) in pond water and fry stages of this species was also determined. The data obtained from all water quality parameters were analyzed expressed as range, mean and standard deviation using MS Excel 2013. The obtained results of 75 days study revealed that the water pH & temperature, electric conductivity, total dissolved solids (TDS), and total dissolved oxygen (DO) of pond water samples were found within a tolerable limit except salinity and dissolved ammonia concentration were not permissible for fish growth. The average concentration of heavy metals in pond water exhibited descending order Fe>Ni>Mn>Zn>Cd>Ni, which was found in acceptable ranges. Whereas, the average values of heavy metals in fry stages were in the order of Zn>Fe>Ni>Cu>Cd>Mn, and found within the recommended values of WHO/FAO. Thus, it was concluded from this study that good water quality is a precondition, maintaining balanced levels of water quality parameters is fundamental for both the health and growth of fish culture which is quite necessary for assuring increased fish productivity. It is recommended to monitor and assess water quality parameters on a routine basis for promoting healthy fish culture.

Bacteriological and Physico-Chemical Assessment of Groundwater Boreholes for Aquaculture in Internally Displaced People's (IDPs) Camps in Arid Zone Nigeria

“…In the present study, all the physico-chemical parameters explored were in consonance with the optimum range for survival and growth of fish 13,15 , except few parameters including dissolved oxygen, alkalinity, conductivity, hardness and calcium. This observation corroborates the previous report by Mustapha et al 16 , who investigate the the water supply system from Maiduguri water treatment plant.…”

Evaluation of the acute and sublethal toxicity of Mancozeb in Pacamã (Lophiosilurus alexandri)

“…As for the groups exposed to the toxic agent, there was only a slight variation in the pH, where an average of pH 8.1±05 was observed, remaining the other measures similar to the control group. Water conductivity and ammonia levels remained within standard values (below 500 µS/cm and 0.05 mg/L, respectively) (Masood et al, 2022).…”

“…The water parameters observed in all groups, including the control group, during both tests, were considered within the comfort level for tropical species, which has an optimal pH range between 6 and 8, dissolved oxygen (DO) greater than 5 and less than 9, and temperatures between 20 and 28 °C (Masood et al, 2022).…”

Water Quality Effects on Survival and Weight of Tank-Raised African Catfish (Clarias gariepinus, Burchell, 1822) Fed Commercial and Farm-made Feeds

“…TDS values were lower higher than those obtained by Njieassam [36] working on evaluating water quality of catfish tank aquaculture. However, these values were low and optimal for fish productivity [56] and were below the applicable range of 400 to 500 mg/L suitable for fish pond water sample [57]. The status of TDS (regression analysis) for all the studied holding tanks revealed that it had a positive and negative effect on survival and weight respectively.…”