July 2015

Nutrient utilization and growth of Clarias gariepinus fed four different commercial feeds

Several studies had been conducted on the nutritional requirements of African catfish, Clarias gariepinus. Nevertheless, currently there is a gap about the gross composition of feed ingredients required for formulation of commercial feeds. The aims of this feeding trial were to investigate whether fish fed four different commercial feeds have a significant growth rate and nutrient utilization. A total of 120 fish...

Author(s): Ajiboye Adebola Oluyinka, Ajani Funmilola and Folarinwa Olorunleke Richards

July 2015

Selectivity studies on beach seine deployed in nearshore waters near Accra, Ghana

Beach seine is known to be biologically and ecologically destructive. Over the years there have been increased concerns from fishery managers and stakeholders in West Africa and beyond to reduce this destruction of fish resources by the gear. Total bans for periods in the year or the use of a bigger mesh size (25 mm) at the cod end have been investigated. A covered cod end experiment was conducted in the nearshore...

Author(s): Francis Kofi Ewusie Nunoo and Dogbeda Yao Mawulolo Azumah