Search
Now showing items 1-7 of 7
Environment-friendly biomaterial (Rice Straw extract) for controlling the algal bloom of Microcystis aeruginosa in Natural water in Abbassa and Ryan water in Egypt
Type: Journal Article
The current study was carried out to investigate the use of rice straw extract in the control of algae blooms in natural water.
Impacts of organic fertilization systems on water quality, phytoplankton populations and fish production in earthen ponds
Type: Journal Article
This study carried out to evaluate the influence of two application system of chicken manure fertilizer in earthen ponds on water quality, phytoplankton population and fish production.
Risk assessment of using poultry manure on water quality, fish as well as their human health and biological treatment in aquaculture ponds
Type: Journal Article
The efficiency of Scenedesmus dimorphus as biological treatment to improve water and fish quality in fish farms where poultry manure as fertilizers were studied.
Selective breeding for increased body weight in a synthetic breed of Egytian Nile tilapia, Oreochromis niloticus: response to selection and genetic parameters
Type: Journal Article
Selection for harvest weight was performed in a fully pedigreed synthetic line of Nile tilapia (Oreochromis niloticus) in Egypt for two generations. Records were available over three spawning seasons (2002, 2003 and 2004) ...
Interaction between calcium and some heavy metals in fish ponds that receive different water sources
Type: Journal Article
The current study was carried out to investigate the effect of interaction between calcium and some heavy metals in fish reared in two different water sources (agricultural drainage water and irrigation Nile water).
The role of ornamental goldfish Carassius auratus in transfer of some viruses and ectoparasites to cultured fish in Egypt: comparative ultra-pathological studies
Type: Journal Article
Goldfish, common carp and Nile tilapia were sampled between September 2002 and May 2003 to investigate lesions induced by viral diseases and ectoparasites. Goldfish exhibited neoplasms, Dermocystidium sp., Ichthyophthirius ...
Effect of garlic and yeast in the culture of Nile tilapia (Oreochromis niloticus)
Type: Journal Article
The present study aimed to investigate the effect of both garlic and yeast (Saccharomyces cervecesa) on survival and growth performance of cultured Nile tilapia (Oreochromus niloticus), besides studying its immune stimulatory ...