Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Alaa A. El-Dahhar"'
Autor:
Alaa A. El-Dahhar, Ashraf. I. G. Elhetawy, Wael M. A. Refaey, Samy Y. El-Zaeem, Elsayed H. Elebiary, Ayman M. Lotfy, Mohamed M. Abdel-Rahim
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract The purpose of this research was to examine the potential effects of bentonite (BN) supplemented diets on growth, feed utilization, blood biochemistry, and histomorphology of Dicentrarchus labrax. Six treatments in triplicate were tested: B0
Externí odkaz:
https://doaj.org/article/7892d79e83d147f58e11530a748e201f
Autor:
Alaa A. El-Dahhar, Rashwan S. Rashwan, Samy Y. EL-Zaeem, Shaimaa A. Shahin, Mona M. Mourad, Mohammed F. El Basuini
Publikováno v:
Aquaculture and Fisheries, Vol 9, Iss 1, Pp 78-84 (2024)
Adapted European seabass (Dicentrarchus labrax L.) larvae at 25 days post-hatching (dph) with a primary weight and length of 23 mg and 9.92 mm, start the weaning up to 46 dph using the weaning micro-diet (54% crude protein from fish meal, powder milk
Externí odkaz:
https://doaj.org/article/02e57a4165d647b1a0ece44b259e11a0
Autor:
Mohamed M. Abdel-Rahim, Ashraf.I.G. Elhetawy, Wael M.A. Refaey, Ayman M. Lotfy, Samy Y. El-Zaeem, Elsayed H. Elebiary, Alaa A. El-Dahhar
Publikováno v:
Egyptian Journal of Aquatic Research, Vol 49, Iss 2, Pp 253-260 (2023)
Clay minerals such as bentonite (BNT) have recently drawn attention as non-nutritive additives in aquaculture, which can maintain water quality and maximize productivity. As water additives, four levels of natural BNT—0, 1.5, 3, and 4.5 g/liter (
Externí odkaz:
https://doaj.org/article/f8de7ad712c947f280c30a433ec0c54e
Autor:
Wagdy Labib, Alaa A. El-Dahhar, Shimaa A. Shahin, Mona M. Ismail, Shimaa Hosny, Mohamed H. Diab
Publikováno v:
SN Applied Sciences, Vol 5, Iss 3, Pp 1-10 (2023)
Highlights 1. Diatoms are prevailing in harsh dynamic ecosystem 2. Skeletonema costatum is known as an opportunistic species 3. Blooms of Chattonella antiquaoffer evidence as effective biological elements to eutrophication.
Externí odkaz:
https://doaj.org/article/f665de385461491f9a6c0df2f9442bf3
Autor:
Shimaa A. Shahin, Abdallah Tageldein Mansour, Mohamed M. Abdel-Rahim, Alaa A. El-Dahhar, Mohammed F. El Basuini, Ashraf I. G. Elhetawy
Publikováno v:
Annals of Animal Science. 23:253-264
To sustain normal development, high survival, and rapid growth, marine fish larvae require a diet rich in polyunsaturated fatty acids, which could decrease the risk of reactive oxygen species accumulations. Consequently, a 60-day feeding experiment w
Autor:
Heba S. El-Sayed, Alaa A. El-Dahhar, Samy Y. El-Zaeem, Shimaa A. Shahin, Hanan M. Khairy, Amira S. Elwan
Publikováno v:
Rendiconti Lincei. Scienze Fisiche e Naturali. 33:889-902
Autor:
Ayman M. Lotfy, Nadezhda Emelianova, Mona A Abo El-Wafa, Ashraf I. G Elhetawy, Alaa A El-Dahhar, Elsayed H Elebiary
Publikováno v:
Egyptian Journal for Aquaculture. :41-67
The present trial was conducted to study the effects of C/N ratio to biofloc technology (BFT) at different salinities on water quality, growth performance, and economic feasibility of flathead grey mullet fingerling. BFT was in natural light (12:12h
Autor:
Alaa A. El-Dahhar, Rashwan S. Rashwan, Samy Y. EL-Zaeem, Shaimaa A. Shahin, Mona M. Mourad, Mohammed F. El Basuini
Publikováno v:
Aquaculture and Fisheries.
Publikováno v:
Journal of The Arabian Aquaculture Society. 13:211-226
Publikováno v:
Ecologia Balkanica, Vol 9, Iss 2, Pp 57-66 (2017)
A year cycle investigation of the macroalgae dynamics in Alexandria coastal waters was conducted at two selected stations that maximize possible differences in seawater characteristics. Eleven genera, including seventeen species were identified at th