الأبحاث المنشورة

              الأبحاث مرتبة تبعا لسنوات النشر من الأقدم إلى الأحدث.

Review Articles

1- Ayyat, M.S. and Marai, I.F.M. (1997). Use of natural clays in animal production. Proceedings of the International Conference on Animal, Poultry and Rabbit Production and Health, Egyptian International Centre for Agriculture, Dokki, Cairo, Egypt 2-4 September, 1997, 91-111.

Pollution Articles

1- Shalaby A.A. and Ayyat M.S. (1999). Effect of natural clay addition of the residues of profenofos and monocrotophos and their effect on some blood components n hens. Egyptian Journal of Applied Science, 14 (6): 286-300.

2- Ayyat M.S., Abd El-Monem U.M., El-Gendy H.M., El-Fateh Hammad M. (2000). Proenofos effects on rabbit performance and their amelioration by using natural clay minerals. World Rabbit Science, 8 (4): 169-176.

3- Ayyat M.S., Safaa M. Sharaf, Fayza S. Abbas and El-Marakby H.I. (2003). Reductions of dietary lead toxicity in Nile Tilapia (Oreochromis niloticus). Proceeding of The 10th Scientific Conference on Animal Nutrition. 14 – 18 October, 2003, Hurghada, Egypt.

4- Ayyat M.S., Bakir A. A., Attia A. I. and El–Zaiat A. A. (2005). The role of clay or vitamin E in silver montazah layer hens fed on diets contaminated by lead at various levels. 1- Performance and egg components. Hungarian Animal Production Journal (ALLATTENYÉSZTÉS ÉS TAKARMÁNYOZÁA), 54 (1): 81-92.

5- Attia A. I., Ayyat M. S., Bakir A. A. and El–Zaiat A. A. (2005) The role of clay or vitamin e in silver montazah layer hens fed on diets contaminated by lead at various levels. 2- Carcass characteristics, blood components and lead residues in the tissues and eggs. Hungarian Animal Production Journal (ALLATTENYÉSZTÉS ÉS TAKARMÁNYOZÁA), 54 (2): 179-190.

6- M.S. Ayyat, A.A.M Bakir and A.A. El-Zaiat. (2005). Monocrotophos effects on chick performance and their amelioration by using natural clay. Egyptian Journal of Nutrition and Feeds, 8 (Especial Issue): 693-705.

7- Ayyat M.S. and El-Marakby H.I. (2005). Studies on counteracting the dietary mercury toxicity in Nile Tilapia (Oreochromis nilotius). Egyptian Journal of Nutrition and Feeds, 8 (Especial Issue): 1129-1144.

8- Ayyat M.S., Bakir A. A., Attia A. I. and El–Zaiat A. A. (2005) Counteract profenofos effects on chick performance by using natural clay. Hungarian Animal Production Journal (ALLATTENYÉSZTÉS ÉS TAKARMÁNYOZÁA) in Press.

Environmental Effects Articles

1- Ayyat M.S. and Marai I.F.M. (1996). Effects of summer heat stress on growth performance, some carcass traits and blood components of New Zealand White rabbits fed different dietary protein-energy levels, under subtropical Egyptian conditions. 6th World Rabbit Congress, Toulouse, France, 2: 151-161.

2- Marai, I.F.M., Ayyat, M.S., Gabr, H.A., and Abdel-Monem, U.M. (1996). Effects of heat stress and its amelioration on reproduction performance of New Zealand White adult female and male rabbits, under Egyptian conditions. 6th  World Rabbit Congress, (Toulouse, France), 2, 197-202.

3- Ayyat, M.S. and Marai, I.F.M. (1997). Effects of heat stress on growth, carcass traits and blood components of New Zealand White rabbits fed various dietary energy-fibre, under Egyptian conditions. Journal of Arid Environments, 37: 557-568.

4- Ayyat M.S., Gabr H.A., Marai I.F.M. and Abdel-Monem U.M. (1997). Alleviation of heat-stressed growing rabbits by using some chemical growth enhancers, under subtropical Egyptian conditions. Proceedings of the International Conference on Animal, Poultry and Rabbit Production and Health, Egyptian International Centre for Agriculture, Dokki, Cairo, Egypt, 637-651.

5- Ayyat, M.S. and Marai, I.F.M. (1998). Evaluation of application of the intensive rabbit production system under sub-tropical conditions of Egypt. World Rabbit Science, 6 (1): 213-217.

6- Marai I.F.M., Ayyat M.S. and Abd El-Monem U.M. (1999). Growth performance and carcass traits of New Zealand White meal rabbits as affected by some dietary additives during winter and summer of Egypt. First International Conference on Indigenous Versus Acclimatized Rabbits, Suez Canal University, Faculty of Environmental Sciences, El-Arish, North Sinai, pp.201-211.

7- Marai I.F.M., Ayyat M.S., Gabr H.A. and Abdel-Monem U.M. (1999). Growth performance, some blood metabolites and carcass traits of New Zealand White broiler male rabbits as affected by heat stress and its alleviation, under Egyptian conditions. 2nd International Conference on Rabbit Production in Hot Climates. Cahiers-Options-Mediterraneennes, 41: 35-42.

8- Marai, I.F.M., Ayyat, M.S. and Abd El-Monem ,U.M. (2000). Young doe rabbit performance traits as affected by dietary zinc, copper, calcium or magnesium supplements, under winter and summer conditions of Egypt. 7th World Rabbit Congress, Valencia, Spain.

9- Marai I.F.M., M.S. Ayyat and U.M. Abd El-Monem. (2001). Growth Performance and Reproductive Traits at First Parity of New Zealand White Female Rabbits as Affected by Heat Stress and Its Alleviation under Egyptian Conditions. Tropical Animal Health and Production, 33 (6): 451-462, Kluwer Academic Publishers.

10- Habeeb A.A., Aboulnaga A.I. and Ayyat M.S. (2002). Effects of sever heat stress with different lighting regimes on plasma progesterone, calcium and inorganic phosphorus in doe rabbits before mating and after pregnancy. Egyptian Journal of Applied Science, 17 (11):21-42.

11- Abd El-Monem U.M. and Ayyat M.S. (2002). Effect of dietary protein level on growing and mature rabbits performance, under summer conditions of Egypt. The 3rd Scientific Conference on Rabbit Production in Hot Climates. Hurghada, Egypt. The Egyptian Rabbit Science Association. Vol 1: 481-494.

12- Ayyat M.S., Soliman M.M., Abd El-Monem U.M. and El-Sheikh S.M. (2002). Performance of growing rabbits as affected by some environmental conditions. Egyptian Journal of Rabbit Science, 12 (1): 43-58.

13- Ayyat M.S., H.A.M. Gad, T.A. El-Aasar and U.M. Abd El-Monem (2003). Alleviation of heat-stressed growing rabbits by using some feed additives under Egyptian condition . Proceeding of The 10th Scientific Conference on Animal Nutrition, Hurghada, Egypt.

14- Ayyat M.S., Gad H.A.M., El-Aasar T.A. and Abd El-Monem U.M. (2004). Alleviation of heat-stressed growing rabbits by using some feed additives Under Egyptian condition. Egyptian Jouranl of Nutrition and Feeds, 7 (1), 83-96.

15- Marai I.F.M., Ayyat M.S., Abd El-Monem U.M.A. (2004) Heat stress and its limitation of feed with zinc and magnesium, in growing male New Zealand White rabbit, in sub-tropical conditions of Egypt (Stress da calore e sua limitazione tramite integrazione dietetica con zinco e magnesio, in conigli maschi New Zealand White in accrescimento, in condizioni temperate e calde in Egitto). Rivista di Coniglicoltura (Italy), 41(3): 41-45.

Feed Additives Articles

1- Nower M.S., Marai I.F.M., Shalaby A.S. and Ayyat M.S. (1982). Promoting effects of zeranol (Ralgro) on suckling and weaning buffalo calves in Egypt. The Sixth International Conference on Animal and Poultry Production Zagazig, Egypt, 153-166.

2- Marai I.F.M., Nower M.S., Shalaby A.S. and Ayyat M.S. (1982). Effect of zeranol (Ralgro) implantation on Egyptian cattle. The Sixth International Conference on Animal and Poultry Production Zagazig, Egypt, 167-182.

3- Ayyat M.S. (1993). Response of weanling rabbits to feeding of zinc bacitracin and flavomycin as growth promoters, under Egyptian conditions. Egyptian Journal of Rabbit Science, 3 (2): 171-177.

4- Ayyat, M.S., Marai, I.F.M. and Alazab, A.M. (1995). Copper-protein nutrition of New Zealand White rabbits under Egyptian conditions. World Rabbit Science, 3 (3): 113-118.

5- Ayyat, M.S., Marai, I.F.M. and El-Aasar, T.A. (1996). New Zealand White rabbit does and their growing offspring as affected by dets containing different protein level with or without lacto-sacc supplementation. World Rabbit Science, 4 (4): 225-230.

6- Ayyat M.S., Marai I.F.M., El-Gendy H.M., Abd El-Monem U.M., El-Azzab A.M. (1999). Growth performance, carcass traits and blood serum constituents of New Zealand White meal rabbits as affected by dietary protein and energy level, copper supplementation and their interactions, under Egyptian conditions. First International Conference on Indigenous Versus Acclimatized Rabbits, Suez Canal University, Faculty of Environmental Sciences, El-Arish, North Sinai, pp.159-181.

7- Ayyat M.S. and Marai I.F.M. (2000). Growth performance and carcass traits as affected by breed and dietary supplementation with different zinc levels, under Egyptian conditions. 7th World Rabbit Congress, Valencia, Spain. 

8- Ayyat S.M., Hafez F.A., Sharaf S.M. and Abbas F.S. (2000). Copper-protein nutrition of the Nile tilapia, Oreochromis niloticus. Egyptian Journal of Aquatic Biology and Fish. 4(4): 313-335.

9- Ayyat M.S., Fayza S. Abbas, Mariam M. Sharaf and Safaa M. Sharaf (2002). Effect of Dietary protein level and copper supplementation in performance of common carp fish C. carpio L. Egyptian Jouranl of Nutrition and Feeds, Vol 5 (2), 207-224.

10- Ayyat M.S., Abdel-Rahman G.A., Hasona E.M. and Deif A.M.M., (2004). Effect dietary energy level and fibre level and zinc supplementation on rabbit performance, under Egyptian conditions. Zagazig Journal of Agricultural Research, 31 (6): 2905-2927.

11- Marai I.F.M., Ayyat M.S. and Abd El-Monem U.M. (2004). Stress da calore e sua limitazione tramite integrazione dietetica con zinco e magnesio, in conigli maschi New Zealand White in accrescimento, in condizioni temperate e calde in Egitto " Heat stress and its alleviation by using dietary supplementation with zinc and magnesium, in New Zealand White male broiler rabbits, during winter and summer of Egypt". Rivista Di Coniglicoltura (Italy), 3: 41-45.

 Animal Nutrition Articles

1- Ayyat M.S. (1991). Growth, feed efficiency and carcass traits of growing rabbits as affected by levels of dietary protein and sulphur amino acids. Egyptian Journal of Rabbit Science, 1 (1): 1-12.

2- Ayyat M.S. (1991). Growth and carcass production of growing rabbits as affected by dietary energy level. Zagazig Journal of Agriculture Research, 18 (1): 109-122.

3- Ayyat M.S. (1994). Effect of different levels of dietary protein and copper on growth performance n rabbits. Egyptian Journal of Rabbit Science, 4 (1): 83-92.

4- Ayyat M.S., Yamani K.A., Bassuny S.M. El-Gendy K.M. and Abdalla M.A. (1994). A study on using different energy levels for growing rabbits in Egypt. Cahiers Options Mediterraneennes, 8: 131-140.

5- Yamani K.A., Ayyat M.S. and Abdalla M.A. (1994). Evaluation of the traditional rabbit diet versus the pelleted diet for growing rabbits for small scale units. Cahiers Options Mediterraneennes, 8: 213-222.

6- Yamani K.A., Ayyat M.S., Bassuny S.M. Rashwan A.A. and Abdalla M.A. (1994). Additional energy supplements in the diet for growing rabbits. Cahiers Options Mediterraneennes, 8: 223-234.

7- Bassuny M.S., Ayyat M.S. and El-Lathy A.A. (1997). Effects of dietary protein-energy level and energy source on growing New Zealand White rabbits. Proceedings of the International Conference on Animal, Poultry and Rabbit Production and Health, Egyptian International Centre for Agriculture, Dokki, Cairo, Egypt, 653-662.

8- Ayyat M.S., Khalil B.A., Hamouda I.A., Gabr H.A. and Seaf El-Naser M.I. (2003). Effect dietary protein and energy levels and vitamin supplementation on rabbit performance, under Egyptian conditions. Zagazig Journal of Agricultural Research, 30 (6): 2257-2278.

Animal Production Articles

1- Ayyat M.S. Soliman A.M. and El-Sayiad Gh. A. (1989). Relationships among some live body and carcass measurements and carcass composition of Egyptian cattle. The Third Egyptian Conference on Animal, Fish and Poultry Production Alexandria, Egypt, Vol. 1: 353-365.

2- Ayyat M.S., Mara I.F. and El-Shafie O.M. (1996). Factors affectng adjusted milk yield for lactation length in Egyptian buffaloes and their pattern of inheritance. Indian Journal of Animal Sciences, 66 (6): 607-613.

3- Ayyat, M.S. El-Shafie O.M. and Marai, I.F.M. (1997). Effects of inbreeding on some productive and reproductive traits of Egyptian buffaloes. Proceedings of the International Conference on Animal, Poultry and Rabbit Production and Health, Egyptian International Centre for Agriculture, Dokki, Cairo, Egypt, 203-212.

4- Ayyat, M.S. Marai, I.F.M. and Farghaly H.M. (1997). A trail to grade Egyptian cattle for beef production according to fleshing and its associated traits. Proceedings of the International Conference on Animal, Poultry and Rabbit Production and Health, Egyptian International Centre for Agriculture, Dokki, Cairo, Egypt, 379-391.

5- Mahdy A.E., El-Shafie O.M. and Ayyat M.S. (1999). Genetic study and values for some economic traits in Egyptian buffaloes. Alexandria Journal of Agricultural Research, 44 (1): 15-35.

Rabbit Production Articles

1- Habeeb A.A., Ayyat M.S. and Bassiuny S.M. (1989). Thyroid function, some blood constituents and fattening performance of rabbits as affected by thyroxin treatments. The Third Egyptian Conference on Animal, Fish and Poultry Production Alexandria, Egypt, Vol. 2: 1017-1025.

2- Ayyat M.S., Habeeb A.A. and El-Hindawy M.M. (1990). Promoting effect of Ralgro on productive performance of New Zealand White rabbits. Egyptian Journal of Poultry Science, 10: 1-20.

3- Ayyat, M.S., Habeeb, A.A. & Bassuny, S.M. (1991). Effects of water salinity on growth performance, carcass traits, and some physiological aspects of growing rabbits in summer season. Egyptian J. Rabbit Science., 1 (1):21-34.

4- Ayyat M.S., Anous M.R. and Sadek M.H. (1994). Genetic parameters for meat production in rabbits. I. Non carcass components. World Rabbit Science, 2 (3): 93-99.

5- Marai I.F., El-Sayiad Gh.A. and Ayyat M.S. (1994). Some blood and milk constituents as affected by breed and pregnancy stage n rabbits. Cahiers Options Mediterraneennes, 8: 347-352.

6- Ayyat, M.S. and Anous M.R. (1995). Magnitude and direction of genetic­ - environmental interaction in rabbis with special reference to live and slaughter performance and carcass cut-out. World Rabbit Science, 3 (1): 3-8.

7- Ayyat, M.S., Marai, I.F.M. and El-Sayiad, Gh.A. (1995). Genetic and non-genetic factors affecting milk production and pre-weaning litter traits of New Zealand White does under Egyptian conditions. World Rabbit Science, 3 (3): 119-124.

8- Ayyat, M.S., Marai, I.F.M. and El-Sayiad, Gh.A. (1995). A trail to grade New Zealand White rabbits for broiler production at marketing and breeding. World Rabbit Science, 3 (2): 75-84.

9- Anous M.R., Mourad M. and Ayyat M.S. (2002). Evaluation of carcass composition on New Zealand White rabbits saised in two different housing systems. Egyptian Journal of Rabbit Science, 12 (2): 155-164.

10- Ayyat M.S., Abdel-Rahman G.A., Abdel-Monem U.M. and Abdel-Hady I.M. (2003). Using by-products for feeding growing rabbits under Egyptian conditions. Zagazig Journal of Agricultural Research, 30 (6): 2279-2297.

  Fish Production Articles

1- Ayyat M.S., Fatema A. Hafez, Mahmoud A.B. and Fayza S. Abbas (2001). Effect of stocking ratio and chemical fertilization on bond water quality and growth performance of some warm water fish species. Egyptian Journal of Aquatic Biology and Fishers, 5 (4): 45-59.

2- Abdelghany, A.E., M.-S. Ayyat and M.H. Ahamad, 2002. Appropriate timing of supplemental feeding for production of Nile tilapia, silver carp, and common carp in fertilized polyculture ponds. J. World Aquacult. Soc. 33(3):307-315.

3- Ayyat M.S. and Fayza S. Abbas (2003). Effect of dietary protein level, stocking density and feeding rate on performance of Nile Tilapia (Oreochromis nilotius). Proceeding of The 10th Scientific Conference on Animal Nutrition, Hurghada, Egypt.

4- Ayyat M.S., Fayza S. Abbas and El-Naggar G.O. (2003). Effect of dietary protein level and vitamin C supplementation on performance of Nile Tilapia (Oreochromis nilotius). Veterinary Medical Journal, Cairo University, Giza, 51 (3): 287-289.

5- Abdel-Rahman G.A., Ayyat M.S., Merghanny M.M. and Sanaa G. Edrees, (2004). Study on some factors affecting on growth of fish. Zagazig Journal of Agricultural Research, 31 (2): 633-654.

6- Ayyat M.S., Fayza S. Abbas, Safaa M. Sharaf and El-Marakby H.I. (2004). Growth performance, feed utilization and blood components of Nile tilapia Oreochromis nilotics as affected by dietary protein source and zinc supplementation. Journal of Egyptian Academic Society Environmental Development, (B- Aquaculture), 5 (1): 1-15.

7- Ayyat, M.S., H.A. Gabr, A.E. Nasr and Hemat K.E. Mahmoud (2007). Effect Of Dietary Energy Levels, Vitamin B5 Supplementation And Stocking Density On Nile Tilapia (Oreochromis niloticus) Growth Performance. Zagazig Journal of Agricultural Research, 34 (2): 275-290.

Poultry Production Articles

1- Sonbol S.M., Ayyat M.S., Askar A.A. and El-Mez E.M.M. (2005). Effect of vitamin A levels on the performance of growing rabbits. Zagazig Journal of Agricultural Research, 32 (1): 219-232.