Roles

Since my transfer to the University of Tripoli in 1996, I have been working as a faculty member at the rank of Assistant Professor. I teach several courses, including Fish Nutrition and Fish Handling and Preservation, to undergraduate students in the Aquatic Agriculture Department. I also served as Head of the Aquatic Agriculture Department from 1996 to 2021. In addition, I have supervised numerous graduation projects alongside academic advising, and I have presented many research works, including studies on:

2009 Development of fermented fish silage derived from pelagic sardine and apple pomace by-product for inclusion in diets of the European sea bass (Dicentrarchus labrax) Thesis for PhD Project.

2011 Penificial using of EDTA to reduce cadmium toxicity and to improve the Physiological and Biochemical Profiles of Catfish (Clarias gariepinus), Vol.1(1),2011.

2020 Evaluation of co-fermented apple-pomace, molasses and formic acid generated sardine based fish silages as fishmeal substitutes in diets juvenile European sea bass (Dicentrachus labrax) production, aquaculture, 521

 2024 Feeding habits and Length-weight relationship for Pagellus erythrinus in Tripoli coast- Libya - The Libyan Journal of Agriculture,Vol.29(2),2024.

2025 Partial replacement of fishmeal by soybean meal in diets for juvenile

Nile tilapia (Orechromis niloticus),No.6, March,2025. 

Careers

Before transferring to the Faculty of Agriculture at the University of Tripoli, I worked in the Marine Biology Research Center in Tajura as a researcher and Head of the Fish and Aquaculture Department from 1990 to 1996. During this period, I published several research works, including studies on:

1992 fish silage production utilizing date syrup wastes and whole sardines (Sardinella aurita ) by biological fermentation process and its nutritional value, Thesis for M.SC. Project.

1993 Food production and feeing techniques on aquaculture activities in Libya, in the workshop on food production and feeding techniques, 19- 21/10/1993, Porto, Portugal.

1993 Seasonal variations of fat and moisture contents in some important pelagic. fishes, Lib Fish Technical Briefing Notes, No. 23,FAO, Tripoli, Rome.

1995 Substitution sources of fishmeal and its using in fish diets, Aquaculture Symposium, Sirit, Libya.

EL-Ajnaf, S., Hassan, T. 1995 Chemical composition and nutritive value of fish silage produced by biological fermentation using L. plantarum as inoculums and date wast as a carbohydrate source. Journal of Basic and Applied Sciences, Issue no.1, 3rd year, National Academy of Scientific Research.

Research Interests

Fish feeding

Manufacturing feed for fish and crustaceans

External Activities

2010 – 2014: Member of the Fish Team at the National Center for Standardization and Metrology, Tripoli, Libya.

2023: Member of the Fish Team at the National Center for Standardization and Metrology, Tripoli, Libya.

1990 – 1995: Actively participated as counterpart to the UNDP/FAO Project 88/009 in the field of fish handling and processing.

1990 – 1995: Served as counterpart to the UNDP/FAO Project 88/009 in aquaculture, specifically in the formulation and manufacturing of pelleted feeds for fish and crustaceans.