Sustainable aquaculture
Browse by
Recent Submissions
-
Interaction between calcium and some heavy metals in fish ponds that receive different water sources
(2009)Type: Journal ArticleThe 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). -
Effect of some local immunostimulants on the survival, growth performance and challenge infection of Oreochromis niloticus
(2006)Type: Conference PaperDisease outbreaks are encountered in the rapidly developing aquaculture industry and affecting the economy but their controls seem to be difficult. Therefore, the use of immunostimulants may be an effective mean of increasing ... -
Impact of Saturn herbicide on histological structures and residual aspects of Nile tilapia (Oreachromis niloticus)
(2008)Type: Journal ArticleThis investigation was performed to demonstrate the effect of Saturn herbicide on Nile tilapia (Oreachromis niloticus). Experimental studies were done to determine of LC50 of Saturn and evaluate its acute and chronic ... -
Effect of nitrogen fertilizer source on water quality and performance of two tilapia species
(2006)Type: Journal ArticleThe purpose of the present study was to compare the effect of urea and calcium nitrate (c. nitrate) as nitrogen fertilizer sources with mono superphosphate (msp) on water quality and the performance of two species of tilapia ... -
Levels of some heavy metals in muscles and liver of freshwater farmed Fish at Abbassa
(2015)Type: Journal ArticleIn the present study, the levels of iron, zinc, cadmium, copper, lead, manganese, and calcium in muscle and liver tissues were investigated in different species of commercially available farmed fishes (Nile tilapia, striped ... -
Effect Of Different Prepared Antigens Of Pseudomonas fluorescens On Specific And Non-Specific Immune Response Of Nile tilapia (Oreochromis niloticus)
(2013)Type: Journal ArticleThe current work aimed to study four different prepared Ps. fluorescensantigens (formalin killed bacterin, extracellular product (ECP) suspension, sonicated cells (SC) suspension and mixture of ECP and SC suspension) to ... -
Inclusion of fermented fish by-product silage in diets of the Nile tilapia, Oreochromis niloticus
(2016)Type: Journal ArticleThe aim of this study was to evaluate the possibility of replacing of fish meal by silage made from fish by-product on growth performance, feed utilization and proximate composition of the Nile tilapia, O. niloticus fingerlings. -
Productivity, capital mobilization and moral hazard in fisheries share contracts: Lake Nasser, Egypt
(2011)Type: Journal ArticleAs part of an international research project on reservoir fisheries productivity in developing countries, this paper examines contractual relations in the Lake Nasser fishery, seeking to understand why so many seemingly ... -
Estimates of phenotypic and genetic parameters for carcass traits in Nile Tilapia selected for fast growth in low-input conditions
(2005)Type: Other-AbstractNile tilapia is sold as either un-gutted or gutted whole carcasses, or as depending on geographical location. In whichever state the is sold, meat yield is an important consideration. Although carcass traits are of economic ... -
Heavy metals concentrations in water and fish of some Egyptian lakes and fish ponds
(2005)Type: Journal ArticleFive heavy metals namely, cadmium, copper, iron, lead, and zinc were determined in water and fish samples obtained from three different lakes and fishponds in Egypt over nine months to assess pollution with those toxic ... -
Pathological studies on encysted metacercariae infections among some freshwater fish in Egyptian aquaculture
(2005)Type: Conference PaperFish may harbor pathogens especially parasitic diseases which interfere with the aquaculture production and could consitiute a zoonotic importance, especially in developing countries. In this study, 200 freshwater fishes ... -
Estimation of Some Chemical Parameters of River Nile Sediments Exposed to Fish Cages
(2006)Type: Journal ArticleThe aim of this study was to assess the environmental impact of cage farm for ongrowing fish (Oreochromis niloticus) on the river sediments beneath and adjacent to the cages in El-Bostan region, Damietta Governorate by ... -
The assessment of mycotic settlement of freshwater fishes in Egypt
(2008)Type: Conference PaperThe objectives of this study are to determine the types of fungal pathogens affecting freshwater fish especially those causing high mortality rates, elucidate the incidence and distribution of such pathogens in Oreochromis ... -
The role of fish ponds in the nutrient dynamics of mixed farming systems
(2006)Type: ThesisThe major objective of the study, is to explore the use of ponds as nutrient traps (besides fish production) to increase nutrient use efficiency in integrated farming systems. It focuses on (i) nutrient utilization efficiency ... -
Effect of using periphyton substrate (Bamboo stems) on water quality, phytoplankton, zooplankton, periphyton and growth performance for tilapia, mullet and catfish in earthen ponds
(2012)Type: Journal ArticleThis experiment shows that the bamboo substrate improved water quality, survival rate and total production of fish. -
Selection for growth of Nile tilapia (Oreochromis niloticus L.) in low-input environments
(2006)Type: ThesisThis thesis is a part of Wageningen University’s Interdisciplinary Research and Education Fund project entitled “Optimization of nutrient dynamics and fish for integrated agriculture- aquaculture systems” (INREF-POND). The ... -
Use of alternative sources for enhancing production in Egyptian fish farms
(2010)Type: ThesisThe present study was designed to investigate the advantages and disadvantages of using different organic fertilizers on fish safety and yield and also to investigate the production performance of mixed organic and inorganic ... -
Production of genetically improved organic Nile tilapia
(2008)Type: Journal ArticleDemand for organic products for human consumption has been on the increase due to the belief that organic products are safer and healthier to the consumer and the environment. In developing countries, Nile tilapia (Oreochromis ... -
Effect of Photoperiod, Dietary Protein and Temperature on Reproduction in Nile Tilapia (Oreochromis niloticus)
(2000)Type: Conference PaperPhotoperiod, crude protein level and water temperature were studied for their effects on reproductive performance and egg hatchability in Nile tilapia (Oreochromis niloticus). -
Biological control of the cyanobacterium Microcystis aeruginosa using Chlorella and Scenedesmus mass culture
(2006)Type: Conference PaperThis study aimed to investigate the use of Chlorophyta Chlorella elliposoides and Scenedesmus bijuga (Turpin) Lageh as a biological control means against Microcystis aeruginosa Kutz as a laboratory trial before field application.
RSS 1.0