September 2012

The biology of Parachanna obscura (Osteichthyes: Channidae) in Anambra River, Nigeria

  The biology of a commercially important teleost, Parachanna obscura was studied for a period of twelve months. Monthly samples of the species were randomly collected from fishermen in the lower reaches of Anambra River, Southeastern Nigeria for the twelve months. The haematological profile established were mean haematocrit of 22.5%, mean blood haemoglobin concentration of 7.23 g/dl, mean red...

Author(s): Odo, Gregory E., Onoja S. U. and Onyishi Grace C.

September 2012

Evaluation of physicochemical parameters of waste water from rainbow trout fish farms and their impacts on water quality of Koohrang stream – Iran

  Physicochemical parameters of rainbow trout farm water were evaluated to assess the potential of fish farm effluents on stream water quality. Seven fish farms were selected at Rostamabad region located on 70 km at south-west of Shahrekord-Iran. Water samples were collected from fish farms inlet and outlet at first and second sampling point. Significant differences were observed in some water factors such as...

Author(s):   Firooz Fadaeifard, Mehdi Raissy, Mostafa Faghani, Alireza Majlesi and Gholamhossein Nodeh Farahani

September 2012

Effects of feeding fry of Oreochromis niloticus on different agro-industrial by-products

  This study was conducted at the Aquaculture Research and Development Centre at Akosombo, to observe the growth and economic performance of fry of Oreochromis niloticusfed on different dietary treatments. In the experiment, four isonitrogenous (36% crude protein) and isoenergetic (physiological fuel value gross energy (GE), 18 MJ/kg) diets were formulated to contain agro-industrial by-products...

Author(s): Emmanuel Delwin Abarike, Felix Yao Klenam Attipoe and Elliot Haruna Alhassan