297 research outputs found
UA-R-GC-1914-01-01-1963-11-22_Page-007
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Bachelor of ScIence
From the Undergraduate Faculty
Cheml stry
Afaf Abdel Fattah Sollman Magdy
Ahmed Imam Ahmed Moustafa ** Arnal Yacoub GIrgis
** Anne Diane Cavouras
* Antoln Manuel Hakim (in absentia)
Farouk Mohamed El Sayed
George N. Chrlstodoulou
Mohamed Abbas E)-Daly
Mousheera Mahmoud Zanaty
Nabll Abdel Messleh Khalil
Ronald R. Ibrahim Aly Korashy
Bachelor of Arts
From the Undergraduate Faculty
Engl ish Lt terature
Basma Henry Ibrahim
Bella Marie Azar
Hilda Spendj I an
Arabic Studies
Arnlr Said Gouda El Sahhar
History
Ragia El Shazly
PhIlosophy
Mona Ahmed Enan
Humanities
Hoda Abdel Azlz El Batanoni
IlvaAyello
Siham Ayoub
Social ScIences
EconomIcs
Abdul Barl Ben Mustafa Sayyed Soliman
Abdel Rahim Mohamed Abdul Latif Abu Issa
Adel Ahmad Al I
Bassam Mahmud Jabr (in absentia)
Fathalla Mahmoud El Bogdady
Fouad Riad Gad Sobeih
Hany Hassan Makhlouf
John Mentakls
Magdl Foud Youssef
Michael J. Issa (in absentia)
Mohamed Aly Hamed Issa
Mohamed Daoud Jamal El Din
El-Ouri (In absentia)
Nazleh Abdel Aziz Mirabaksh
Soad Ahmed Shalaby
So"a I r Musaad
*Sonia Sellm Grelss
Yehla El-Sayed Youssef Sirry
Yolar:de Cassab
Zakt Hafez Salem
Sawsan El-Sayed Abdel Wahab
Political Science
Agia Hanna Meleka
Eugenle Ghallb 1~ Sonia L. Alianak
George Dimitri Petrel lis
Jeanine Z. Charoblm
Mahmoud Taher Attalla
Munir Khalil Nasser (in absentIa)
Odette Zaky El Assiouty
* WI th hono rs ** With high honors
*** With highest honors
Victoria John Charalambldis
Wafaa Mahmoud Farrag
Zelnab Abdel Hamid Hashem
Shadla Maurice Sawiri
Effect of dimethylacetamide and N-methylacetamide on the quality and fertility of frozen/thawed chicken semen
No full textThe aim was to compare the effect of dimethylacetamide (DMA) and N-methylacetamide (NMA) concentrations on the quality and fertility of post-thaw chicken semen. Ejaculates were obtained from 30 Hi-Line White roosters and processed according to the following treatments: lake pre-freezing extender + 0.1 M trehalose (LPF-T) + 6% DMA (control treatment), LPF-T + 9% DMA, LPF-T + 6% NMA, and LPF-T + 9% NMA. Sperm quality (viability, motility, and kinetic traits) was assessed before and after cryopreservation. A total of 15 laying hens per treatment were inseminated to assess fertility and embryo viability. Sperm cryopreserved in presence of DMA had significantly better in vitro quality compared to NMA, showing the highest proportion of viable and progressive motile sperm recovered after thawing. Furthermore, proportion of progressive motile sperm and the VCL, LIN, ALH, and WOB mean values were significantly improved in semen samples frozen/thawed with 6% compared to 9% cryoprotectant concentration. However, the best cryoprotective action on sperm quality played by DMA and the lowest cryoprotectant concentration did not translate into a concomitant advantage in in vivo semen fertility that showed no differences between cryoprotectant and cryoprotectant concentration treatments. Finally, the cryoprotectant DMA and NMA showed an opposite effect on embryo viability in comparison with the effect played on in vitro semen quality, being NMA more efficient than DMA on preserving viable embryos. The present results suggest the urgency to further decrease the cryoprotectant concentration in poultry semen freezing procedures and to assess the specific toxic effect of cryoprotectant on sperm integrity, fertility, and embryo development
Free-Range Rearing Density for Male and Female Milanino Chickens: Growth Performance and Stress Markers
No full textThe Milanino is a heavy Italian chicken breed and represents an important genetic resource for alternative production systems. Due to the absence of standard management guidelines for local chicken breeds, this study aims to determine the space requirement to achieve a good equilibrium between growth performance and stress response in Milanino chickens reared according to a separate-sex free-range program. A total of 140 birds (70M:70F) were reared in outdoor pens from 75 to 235 d of life according to the following experimental groups (35 birds/group): (M2) males in 2 m(2)/bird; (F2) females in 2 m(2)/bird; (M10) males in 10 m(2)/bird; (F10) females in 10 m(2)/bird. Growth performance and stress condition were recorded. Bird density affected male body weight, that was higher at the lower density of 10 m2/bird. In contrast, females showed a consistent growth rate irrespective of the bird density suggesting lower space requirements. An overall good adaptability of the breed to the separate-sex free-range system was found, irrespective of both sex and bird density. Moreover, the stress markers values assessed at the end of the growing period suggest the ability of Milanino birds to respond well to environmental stressors. The results provided in this report will be implemented into free-range management guidelines for meat production in the Milanino breed: the separate-sex rearing is recommended during the growing period in outdoor pens and the bird density has to be planned according to the sex
Assessment of Sperm Viability and Computer-Assisted Motility Analysis in Budgerigars (Melopsittacus undulatus): Effect of Several In Vitro Processing Conditions
No full textIn order to preserve endangered psittacine species, more basic and applied research in reproductive biology is required. Assisted reproductive technologies such as artificial insemination play an important role in parrots species conservation programs to overcome the problem of infertile eggs and male infertility. The aim of this study was to define an effective in vitro protocol in order to standardize the sperm quality evaluation in psittacines, studying Melopsittacus undulatus as model species. Semen was collected from twenty adult males by massage technique from May to June. Sperm concentration was measured by the spectrophotometric method. Sperm quality (sperm membrane integrity (SMI), motility, and kinetic parameters) was assessed on fresh semen. Three different experimental protocols were performed to compare the effects of various processing conditions on SMI, motility, and kinetic parameters. In protocol 1, test was performed by Lake extender with three different pH, 7.4 versus 8.2 versus 8.4, and two different equilibration temperatures after dilution of fresh semen (4 degrees C versus 25 degrees C). In protocol 2, two dilution rates of semen after collection were valuated, 1 : 3 versus 1 : 4, as well as three different semen storage temperatures (4 degrees C versus 25 degrees C versus 38 degrees C) before sperm motility analysis with the computer-assisted sperm analysis (CASA). In protocol 3, two different Makler chamber temperatures (38 versus 41 degrees C) during motility analysis were tested. A significant progressive improvement in spermatozoa motility and kinetic parameters was registered with pH 8.4. Progressive motility and all kinetic parameters were higher at 4 degrees C equilibration temperature. Straightness (STR) kinetic parameter was better with 1 : 4 dilution rate. Total motile sperm was higher in 41 degrees C Makler chamber. In this study, for the first time, the effects of different processing protocols on psittacines seminal quality analysis were investigated. Significant differences conditioning the effectiveness of analysis protocols have been described
Le projet de développement du Nord-Sinaï. Développement économique vs développement durable / The evaluation of a project : the development of North Sinai
No full textIn this article, the author examines the problem of high densities resulting from the concentration of population in the Nile Valley and delta regions of Egypt, as well as government efforts to redistribute the population throughout the unhabttated parts of the country. Five major projects are discussed, with particular attention given to the "El-Salam canal" sheme and to its feasibility.Dans cet article, l'auteur examine le problème de la densité de population élevée, produit de la concentration dans la vallée du Nil et du delta de l'Egypte, et les efforts du gouvernement pour redistribuer la population sur la surface inhabitée du pays. Cinq projets géants sont exposés, et l'un d'eux, le "canal al-Salam" est présenté plus largement et sa faisabilité discutée.Waguih Ahmad Abdel-Latif. Le projet de développement du Nord-Sinaï. Développement économique vs développement durable / The evaluation of a project : the development of North Sinai. In: Revue de géographie de Lyon, vol. 73, n°3, 1998. Géographie sociale de l'Egypte : ouverture et cloisonnement. pp. 235-238
Effect of n-methylacetamide concentration and thawing rate on chicken sperm quality after cryopreservation
No full textIn seeking alternative cryoprotectants to glycerol for a reference chicken semen freezing procedure, the aim of the present study was to compare the effect of two concentrations of N-Methylacetamide (MA) and two thawing rates on the quality of frozen-thawed semen. Semen samples were diluted in Lake pre-freezing extender, including 0.1 M trehalose in presence of 6% or 9% MA, loaded into straws, frozen in nitrogen vapors, and stored in liquid nitrogen. The following thawing treatments were used: 5 °C for 100 s and 38 °C for 30 s. Sperm quality (cell membrane integrity, motility and kinetic parameters) was assessed before and after cryopreservation. The decrease of MA concentration from 9 to 6% improved sperm quality after freezing/thawing and this effect was dependent on thawing temperature. Decreasing the MA concentration from 9 to 6% improved the proportion of undamaged membrane, motile, and progressive motile sperm recovered after thawing at 5 °C for 100 s; in contrast, no effect of the MA concentration was observed thawing at 38 °C for 30 s. Therefore, the treatment with 6% MA and thawing at 5 °C for 100 s has given the best cryoprotective action. These results contribute to improve the efficacy of the current chicken semen cryopreservation procedures
Data on the positive synergic action of dimethylacetamide and trehalose on quality of cryopreserved chicken sperm
No full textAbstractThis data article contains supporting information regarding the research article entitled “Combined effect of permeant and non-permeant cryoprotectants on the quality of frozen/thawed chicken sperm”(Mosca et. al., 2016) [1]. The combined effect of the permeant cryoprotectants agent dimethylacetamide and the non-permeant cryoprotectants agent trehalose on the quality of frozen-thawed chicken semen was assessed. In particular, the quantitative dimethylacetamide/trehalose ratio was investigated freezing semen samples according to the following treatments: trehalose 0.1M+0% dimethylacetamide (DMA-0), trehalose 0.1M+3% dimethylacetamide (DMA-3), trehalose 0.1M+6% dimethylacetamide (DMA-6)
UA-R-GC-1914-01-01-1954-11-12_Page-080
No full textA.U.C. STAFF ROUTING SHEET 1954-55 Education - 9
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Adapting authoritarianism: institutions and co-optation in Egypt and Syria
No full textThis PhD thesis compares Egypt and Syria’s authoritarian political systems. While the tendency in social science political research treats Egypt and Syria as similarly authoritarian, this research emphasizes differences between the two systems with special reference to institutions and co-optation. Rather than reducibly understanding Egypt and Syria as sharing similar histories, institutional arrangements, or ascribing to the oft-repeated convention that “Syria is Egypt but 10 years behind,” this thesis focuses on how events and individual histories shaped each states current institutional strengthens and weaknesses. Specifically, it explains the how varying institutional politicization or de-politicization affects each state’s capabilities for co-opting elite and non-elite individuals.
Beginning with a theoretical framework that considers the limited utility of democratization and transition theoretical approaches, the work underscores the persistence and durability of authoritarianism. Chapter two details the politicized institutional divergence between Egypt and Syria that began in the 1970s. Chapter three and four examines how institutional politicization or de-politicization affects elite and non-elite individual co-optation in Egypt and Syria. Chapter five discusses the study’s general conclusions and theoretical implications.
This thesis’s argument is that Egypt and Syria co-opt elites and non-elites differently because of the varying degrees of institutional politicization in each governance system. Rather than view one country as more politically developed than the other, this work argues that Syria’s political institutions are more politicized than their Egyptian counterparts. Syria’s political arena is, thus, described as politicized-patrimonialism. Syria’s politicized-patrimonial arena produces uneven co-optation of elites and non-elites as they are diffused through competing institutions. Conversely, the Egyptian political arena remains highly personalized as weak institutions and individuals are manipulated and molded according to the president’s ruling clique. This is referred to as personalized-patrimonialism. As a consequence, Egypt’s political establishment demonstrates more flexibility in ad hoc altering and adapting its arena depending on the emergence of crises.
This study’s theoretical implications suggest that, contrary to modernization and democratization theory’s adage that institutions lead to a political development, politicized institutions within a patrimonial order actually hinder regime adaptation because consensus is harder to achieve and maintain. It is within this context that Egypt’s de-politicized institutional framework advantages its top political elite. In this reading of Egyptian and Syrian politics, Egypt’s personalized political arena is more adaptable than Syria’s. These conclusions do not indicate that political reform is a process underway in either state
Free-range rearing density for male and female Milanino chickens : carcass yield and qualitative meat traits
No full textThe Milanino is a heavy Italian chicken breed and represents an important genetic resource for alternative production systems. In order to support its promotion in the market according to consumer expectations on healthy nutrition and animal welfare, this trial aims to study the slaughter performance and the meat quality in male and female Milanino chickens kept at different rearing density in a separate-sex free-range system. A total of 140 birds (70M:70F) were reared in outdoor pens from 75 to 235 d of life according to the following experimental groups (35 birds/group): M2) males in 2 m2/bird; F2) females in 2 m2/bird; M10) males in 10 m2/bird; F10) females in 10 m2/bird. At 235 d of age, 6 birds per group were slaughtered. Slaughter performance and meat quality were assessed. The Milanino chicken is characterized by high carcass weight and carcass yield among local chicken breeds, and a rearing density of 10 m2/bird is recommended for male birds to obtain heavier carcasses. Milanino meat appears bright and intensely colored, and it is characterized by high protein and low fat contents compared with the standard broiler meat. Total lipids of Milanino meat are characterized by a healthy fatty acid composition, corresponding to a high PUFA/SFA ratio. Milanino breast meat is a good supply of nutraceutical PUFA with a positive low n-6/n-3 PUFA ratio. The ability of the Milanino breed either to synthesize or to transfer to tissue a high quantity of PUFA relevant for human health could be a key factor for its economic valorization
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