Curriculum vitae - Assiut University

‫ ﻛﻠﯾــــﺔ اﻟزراﻋـــــﺔ‬-‫ﺟﺎﻣﻌـــﺔ أﺳــﯾوط‬
‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
Curriculum vitae
PERSONAL INFORMATION:
Name: Prof. Dr. Hatem Y. El-Hammady.
Nationality: Egyptian
Birth date and place: July 1, 1940, Kafr ElSheikh, Egypt.
Gender: Male.
Social status: Married.
Work address: Animal Production Department, Faculty of Agriculture, Assiut
University, Assiut, Egypt
Home address: Staff member buildings, Western block, Building W, Apartment
16, Assiut University, Assiut, Egypt.
Phone (H): (Assiut) 088-2331700or 088-2375167
(Cairo) 02-2584750
(Alex) 03-5579736 or 03-5561046 or 03-430-3266
(Kafr El-Sheikh) 047-3801120
(W): 088/332306 (ext. 2540)
(M): 0123971455- 012-7432089
E-mail address: [email protected]
EDUCATION:
B.Sc. (Agricultural sciences, Animal production): June, 1960, with merit
“Excellent with honor degree”, Faculty of Agriculture, Ain Shams University,
Cairo, Egypt.
M. Sc. (Avian physiology): March, 1963, Giessen University, Western Germany.
Ph.D. (Avian physiology): April, 1965, Giessen University, Western Germany.
Ph.D. dissertation title: Effect of Chlorine and calcium to phosphorus ratio on
calcium metabolism and eggshell quality in chickens.
POSITIONS HELD:
Teaching and Research Assistant: from July 1960- February1961, Animal &
Poultry Production Department, Faculty. Of Agriculture, Assiut University,
Assiut, Egypt.
Teaching and Research Assistant: from February 1961- December 1961,
Animal & Poultry Production Department, Faculty. of Agriculture, Ain Shams
University, Cairo, Egypt.
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‫ ﻛﻠﯾــــﺔ اﻟزراﻋـــــﺔ‬-‫ﺟﺎﻣﻌـــﺔ أﺳــﯾوط‬
‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
Assistant professor: from March 1967-March 1971, Animal&Poultry
Production Department, Faculty. of Agriculture, Assiut University, Assiut, Egypt
Associate professor: From April 1971-June 1975, Animal & Poultry Production
Department, Faculty. of Agriculture, Assiut University, Assiut, Egypt.
Professor: From June 1975-2000, Animal & Poultry Production Department,
Faculty. of Agriculture, Assiut University, Assiut, Egypt.
From 2000 - present: Emeritus professor of Poultry Production, Animal &
Poultry production department, Faculty. of Agriculture, Assiut University,
Assiut, Egypt.
Head, Department of Animal & Poultry Production, Animal Production
Department, Faculty. of Agriculture, Assiut University From 1981-1987. and
from 1990-1992.
Head, Department of Animal & Poultry production department, , Faculty. of
Agriculture, Al Azhar university, Branch Assiut 1997-1998.
Head, Agricultural Research Center, AL Azhar University Branch, Assiut
from 1994-1998.
Director, Poultry Research Farm, Assiut University, from 1981-1989.
Director, Poultry Production Farm, Assiut University, from 1989-1992.
Director, Integrated Fish Unit, Assiut university, from 1997-2001.
SABBATICAL LEAVES:
Visiting Professor (Avian Physiology and Production) from November 1992June 1993, Al Aian University, United Arab Emirates.
NARP, 1991 American Project AT 095 (1990-1994), visiting principle
investigator in California and North Carolina universities, USA.
Egyptian Missions Department, 1990. Channel system with Professor Shirely,
Tenesee University, USA.
Egyptian Missions Department, 1988. Channel system with Professor Hansen,
Berlin University, Germany.
Egyptian Missions Department, 1986. Channel system with Professor Horst,
T.U., Berlin, Germany.
G.T.Z., 1983. Visiting professor in West Germany and Tounis.
DAAD, 1982. Visiting professor for two months, T.U., Berlin and Giessen
Visiting Professor ( Avian Physiology and Production) from October 1975June 1979, Solimania University, North Iraq.
Egyptian Missions Department, 1961-1966, for Ph.D. degree, Giessen,
Western Germany.
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
CONSULTATIONS
Consultant for Poultry Production, Assiut, El Minia , Aswan and New Valley
Governorates, 1982-1991
Providing scientific Consultations and feasibility studies in the field poultry
industry. ( Agricultural Development Bank in Assiut, 1984-1989).
TEATCHING ACTIVITY:
Under-graduate Courses
Fundamentals of Animal and Poultry Physiology
Avian Physiology
Poultry Production
Poultry Husbandry
Poultry Technology
Establishment and management of Poultry Farms
Turkey, Quail and Water Fowl production
Rabbits Production
Post-graduate courses
Advanced Studies in avian Physiology.
Advanced studies in avian production and Reproduction.
Endocrinology.
Poultry adaptation.
Meetings Attended
The 5th International Poultry Conference, Sharm El-Sheikh, Egypt, March:
2009.
Egyptian society for Animal reproduction and fertility 17th Annual Congress
Al Minia, 29 Jan.- Feb. 2005 Al Minia, Egypt.
International Poultry Science Association Meeting, 11-14 August, 2002,
University of Delaware, New York, USA.
The Third Scientific Conference of Agricultural Sciences. 20-22 October,
2002, Faculty of Agriculture, Assiut University, Assiut-Egypt.
Veterinary Nutrition Association, Fourteenth Annual Congress, February 2-72002, Giza, Egypt Annual Congress 3rd International Symposium-cumWorkshop.
Environmental Pollution in Egypt, Consequences for Human, Animals and
Plants, 29 September –3 October, 2001 in Cairo University, Cairo-Egypt.
The International Conference for Environmental Hazard Mitigation (ICEHM),
9-12 September, 2000, Cairo University, Giza, Egypt
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
Egyptian Society for Animal Reproduction and Fertility, Pollution and
Reproduction, Eleventh Annual Congress, January 26-28, 1999, Fac. of Vet.
Med., Cairo Univ. Giza, Egypt.
International Symposium-cum-Workshop, Sustainable Agriculture and Rural
Development in Egypt, Experiences of Egyptian Graduates from Germany
Universities, 20-26 November, 1999 in Cairo.
The 10th Conference of the Egyptian Society of Animal Production,
December 13-15, 1998, Assiut, Egypt
Second Hungarian Egyptian International Poultry Conference, 16-19
September, 1997, Institute for small Animal Research (KĂTKI) , Gõdõllõ,
Hungary.
Regular Egyptian Poultry Association Meeting, Fac. Of Agric, Alexandria
(1995).
Society for the Study of Reproduction (SSR), July 24-27, 1994 27th Annual
Meeting, University of Michigan, Ann Arbour, Michigan, USA.
Congress of the European Association of Veterinary, Anatomists, Budabest,
Hungary 1987.
Workshop on Using Soybean in feeding poultry, 1984, Assiut University
Workshop on goats and rabbits raising, 1982, Panzart, Tounis,
The 4th International DLG Symposium on Poultry production in hot Climate,
189, Hamein, Western Germany (1981).
Scientific Meeting of Poultry Production, ,1978, Mousel, Iraq.
Scientific Meeting of Animal Production , 1977, Bagdad, Iraq.
Physiology and Animal Nutrition, 1965, Giessen, West Germany.
Academic Advisor (PI):
I- Master Degree
1- Ahmed Abd Elkareem, 2008. Production and reproduction performance of
Bouscat rabbits in relation to housing systems.
2- Khaled Abou El-Ezz, 2007. Evaluation of production and reproduction
performance of Egyptian geese under different lighting regimens in
Assiut.
3- Jozef Nagy, 2003. Relationships between blood groups alleles and some
productive and reproductive traits on Japanese quail.
4- Mohamed Farghly Alm Elden, 2003. Performance of Japanese quail
affected by body weight, age, sex ratio and generation under Assiut
conditions.
5- Abdallah Hassan Hussein Aly, 2002. Reproductive performance in female
rabbits and their offspring injected with hCG under Assiut
Environmental conditions.
6- Gehan Gamal Ragheb, 2001. Effect of body weight, age and sex ratio on
some productive and reproductive traits in Japanese quail..
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
7- Taghreed Abdallah Mohamed Ahmed Marwan, 1998. Relationship
between body weight and some reproductive traits of Japanese quail
under Upper Egypt Conditions.
8- Kamal Mohamed Aly, 1993. Study on the reproductive performance on
chicken under subtropical conditions.
9- Mohamed Metwally Ahmed, 1990. Evaluation of the Metabolizable energy
of some poultry foodstuffs.
10- Hussein Abdel Fatah, 1990. Effect of using some non conventional
rations on duck meat production.
11- Talat Moustafa Mohamed, 1989. Effect of light and protein level on some
productive traits in Dandarawi and Fayomi chickens.
12- Samir Yusif Hussein, 1984. Effect of some mammalian hormones of
reproduction of the Nile fish Tailapia Niloeica Linnaeue.
13- Osama Afifi, 1984. Comparative studies on some productive traits of
different genotypes of chickens.
14- Mohamed Abdel Satar, 1978. A study on growth in local turkey. Iraq
15- Fayza Ezat Nageeb, 1978. Study on egg production and quality in local
Turkey. Iraq.
16- Hamdy Sharara, 1974. Studies on some productive characters in different
strains of chickens under Upper Egypt conditions.
17- Mohamed Hassan. Reproductive performance and semen quality of male
rabbits and their offsprings in response to hCG injection under Assiut
Environmental conditions.
II- Ph.D. Degree (PI)
1- HamdyAhmad Hassan Mahmoud (Poultry Management 2012).
2- Ahmed Abd Elkareem, 2012. Impact of some physiological and
managerial manipulations for improving the productive and reproductive
performance of rabbits under Upper Egypt climatic conditions.
3- Mohamed Farghly Alm Elden, 2008. Improvement of poultry production
through some recent managerial manipulations in Assiut.
4- Hassan Allam, 2007. Effect of some proputics and environmental factors
on fish production
5- Kamal Mohamed Aly, 2005. Effect of some pollutants on chicken
performance.
6- Mohamed El-Sagheer Mohamed, 2001. Productive and reproductive
performance of force-molted chicken as affected by some promoting
agents supplemented during and after molt period.
7- Assad ElSayed AbdelRahaman, 1991. Significance of major genes in
relation to the productive adaptability of German sublines compared with
local Egyptian chickens.
8- Samir Yousif Hussein, 1991. Physiological effects of some
environmental and nutritional factors on fish production.
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
9- Osama Samy Afifi, 1991. The effects of light and dark periods on plasma
thyroid hormones T3 and T4 in broiler chicks and the role of these
hormones in the light-stress disease syndrome.
TRAINING PROGRAMS:
1- Using radio-isotopes for improving animal production: Madill East
Organization for radio isotopes. October 2008 , Giza, Egypt.
2- Practical applications on Electronic microscope, March, 2002,
Molecular Biology and Genetic Engineering Research Center, Assiut
University, Assiut-Egypt.
3- Practical applications on Spectrophotometers, March, 1990, Faculty of
Pharmacy, Assiut university
4- Workshop in Microsoft office and statistical analysis using SPSS and
SAS.
MEMBERSHIP:
1-Egyptian World Poultry Science Association.
2-1-Egyptian Poultry Science Association
3-Rabbit Science Association.
4-World Poultry Science Association
5-British Poultry Science Association.
6- Egyptian Society of Animal Fertility and Reproduction.
7- Member in Academy of Scientific Research and Technology (poultry
production and physiology).
CONTRACTS, GRANTS AND HONORS:
1-Principle investigator of NARP AT 095 National Agricultural Research
Project, from 1990-1994.
2-_1992-1995 National Agriculture Research Project (NARP) award for project
“Physiological and biotechnological studies towards reproductive potential
improvement of Dandarawi chicken” $447.000. Project in collaboration with Dr.
Mary Ann Ottinger, Maryland University, College Park, USA.
3- The first professor at the level of governmental universities to be
nominated as referee for evaluating the scientific papers in the field of Animal
and Poultry Science (physiology, 2009).
4- Member and Vice president of Scientific Committee for promoting
professors and Associate Professors, from 1980-1994 and from 1998-2008.
5-Member of Scientific Committee for promoting professors and Associate
Professors, Al Azhar university, from 1995-1998.
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
LOCAL AND INTERNATIONAL PUBLICATIONS:
1- El-Hammady, H.Y.; El-Sagheer, M.,; and Farghly, M.F.A., 2012.
Effect of the time of feeding on the productive and reproductive
performance of Danadarawi chicken under the subtropical prevailing
climatic conditions in Assiut. Egyptian Journal of Animal Production, In
Press.
2- El-Sagheer, M.; El-Hammady, H.Y.; and Farghly, M.F.A., 2012.
Productive and reproductive performance of Japanese Quail raised in batteries
and on litter floor at two densities under the prevailing climatic condition in
Assiut upper Egypt. The 3rd Mediterranean Summit of WPSA & 6th
International Poultry Conference, 26-29 March 2012, Alexandria-Egypt. In
Press.
3- EL-Hammady, H.Y.; N. M. Essa; S. Fahmy and A. Abdel-Kareem
(2011). Reproductive performance of Bouscat rabbit does affected by housing
models under subtropical climatic conditions prevalent in Assiut. The 4th
Egyptian Conference of Rabbit Science. 1st October, Cairo University. ‫ﺍﻟﺼﻔﺤﺎﺕ‬
4- El-hammady, H. Y.; M. A. Abdelnabi; M. A. Awadallah; Anas. A.
Salem and A. Abdel kareem (2010). Reproductive performance of Bouscat
rabbits raised under Assiut subtropical climatic conditions. The 6th Inter. Con
.on Rabbit Prod. in Hot Clim., Assuit, Egypt, 473-483.
5- El-hammady, H. Y.; M. A. Abdelnabi; M. A. Awadallah; M. N. Abd
El-Ati and A. Abdel Kareem (2010). Effect of housing model on the
productive performance of Bouscat raccits raised under subtropical conditions
in Assiut. The 6th Inter. Con .on Rabbit Prod. in Hot Clim., Assuit, Egypt, 485502.
6- El-Hammady, H.Y.; M. El-Sagheer; S. Maak and A. M. El-Gammal ,
2009. Performance of force molted chicken affected by high temperature 2Effect on egg quality traits and egg components. The 5th International Poultry
Conference, Sharm El-Sheikh, Egypt, March: 1563-1581.
7- M. El-Sagheer ; H.Y El-Hammady and M.F.A. Farghly, 2009. Effect of
litter type on performance of growing and laying dandarawi chiken. The 5th
International Poultry Conference, Sharm El-Sheikh, Egypt, March: 15911615.
8- El-Hammady, H.Y.; Abdelnabi, M.A.; Youssef H. S.; and Abou El-ezz. F.
K., 2007. Growth parameters of M and F Egyptian geese under sub tropical
conditions in Assuit. The 4rd International Poultry Conference, Scharm ElScheikh, Egypt, March: 27-30.
9- Abdelnabi, M. A., H. Y. El-Hammady, S.Y. Hussein., and K. F. Abou ElEzz, 2007 Effect of Age and Housing Conditions on Semen Quality of the Local
Ganders in Assiut . Egyptian Poultry Science.
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
10- El-Hammady, H. Y., S. Youssef , Anas A. Salem , M. Abdelnabi. and A. Ali
2005. Effect of hCG injection on some reproductive performance in California
and Bouscat rabbits. Egyptian Soc. Anim. Reprod. Fert. 17th annual Cong., AlMinia, 29-2 February
11- El-Hammady, H.Y.; Maak, S.; El-Sagheer M.; and El-Gammal, A.M.,
2005. Performance of Force Molted Chicken Hens Affected by High
Temperature.
1. Effect on Egg Production, Feed Consumption, Feed
Conversion Ratio and Mortality Rate. The 3rd International Poultry
Conference, Hurghada, Egypt, April: 576-588.
12- El- Hammady,H.Y.,M. Abdelnabi, G. Ragheb,2002. Effect of age, body
weight , and sex ratio on fertility, hatchability and egg production in the
Japanese quail(Citurnix coturnix japonica)under subtropical conditions. Poult.
Sci. association annual meeting, 11-14 August 2002, Univ Delaware, USA.
13- Ragheb,G. G, H. Y. El-Hammady, and M. A. Abdelnabi 2001. Effect of
age, body weight and sex ratio on fertility and hatchability in the Japanese
quail under sub-tropical conditions. 2001 joint Meeting Abstracts, poultry
Science Volume 8 supplement 1, pg264.
14- Mousa, S.M. and H.Y. El- Hammady.1999. The characteristics and
feeding value of ensiled cattle waste-straw mixtures for lambs. Assiut Vet
Med. J. 41:69-81.
15- M. A. Abdelnabi ; H. Y. El-Hammady and Ragheb,G. G, , and 1998.
Testicular development, semen characteristics and androgen concentration in
male Japanese quail raised under sub-tropical conditions. PSA,USA 1998.
16- El- Hammady, H.Y., M. Abdelnabi, K. M. El-Ashwal,1997.
Economical evaluation for some productive and reproductive traits in
Pekin ducks fed different levels of palm date stone meal. second Hungarian
Egyptian international poultry conference, Institute for small animal research
(KĂTKI) Gõdõllõ, Hungary, 16-19 September,1997.
17- El- Hammady,H.Y., M.A. Abdellatif and K.M.Ali,1995.
Effect of
naked neck(Na) gene, dietary protein level and their interaction on body
weight and semen characteristics of chickens males. Egyptian Poultry Science
J.,1995.
18- Abdellatif,M.A. and H.El- Hammady,1992. Heritabilities of some egg
production and egg quality traits in Dandarawy chickens. The Egyption
poultry sci. Assoc Vol 12 No. 1.1992.
19- Abdellatif,M.A. and
H.El- Hammady,1992. Gentics of sexual
dimorphism in dandarawy chickens. Egyptian poultry science Faculty of agric.
Vol. 12 II 1992. Alex. Univ. 1992.
20- Afify, O. S, H.Y. El- Hammady and H.V. Shirley,1992. Aldosterone
hormone and litter moisture as affected by photoperiod, RAI congress.
Amsterdam, Holland, 23-26, September.
21- H.Y.El- Hammady, H.H. Sharara and T.M. El-Shiekh,1992. Effect of
dietary protein level on growth performance of the Egyptian Native Egg-type
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
replacement pullets. Egyptian poultry science Faculty of agric. Vol. 12 II
1992. Alex. Univ 1992.
22- H.Y.El- Hammady, H.H. Sharara and T.M. El-Shiekh,1992. Effect of
feeding regimens and lighting programs on egg production performance of
two Egyptian native strains of laying hens. Egyptian poultry science. Vol. 12
II .
23- H.H. Sharara , H.El- Hammady and H. Abd El-Fattah,1992.Nutritive
value of some Non-Conventional by-products as poultry feed ingredients a:
Chemical evaluation. Assiut Journal of Agric. Sci. Vol. 24:23.
24- H.H. Sharara , H.El- Hammady and H. Abd El-Fattah,1992.Nutritive
value of some Non-Conventional by-products as poultry feed ingredients b:
Biological determination of metabolizable energy. Assiut Journal of Agric.
Sci. Vol. 23:2,
25- EL-Hammady, H.Y., Mansour M. M. and Afify,O.S,1989. Evaluation of
the performance of some native exotic chickens and their crosses under the
subtropical conditions Upper Egypt. Assiut Journal of Agric. Sci. Vol. 19:2
26- Mathur,P.K;H.EL-Hammady, and H.Sharara.1989. Specific use of high
yielding strains carrying major genes for improving performance of local
fowls in tropics. (Case Study: Upper
gypt), 4th International DLG
Symposium on poultry production in hot climate, june,1989,Hameln,west
Germany.
27- EL-Hammdy, H.Y.Makld M. N.Wahaba, M. T,Hussein S. T,1987.
Studies on the application of mammalian neuronypophyseal hormones in the
field of Nile fish , culture, 2- ovarian histological investigations. Assiut ,
Agric. Sci.
28- EL-Hammdy, H.Y.Makld M.N, M.T. Wahaba and Hussein S.Y 1984.
Studies on the effect of human chorionic gonadotrophic hormone (HGG) on
the gonads of the Nile fish, Tilapia nilotica during the spring season, 1Ovarian morphology and gonosomatic lines. Academy of cientific research
and Technology, First National Conference on physiological Sciences.
29- El-Hammdy, H.Y.,M.N.Makld, M.T.Wahaba and S.y,Hussein
1984.
Studies on the application of mammalian neurohypophyseal in the field of
Nile fish culture. 2- response of female Tilapia nilobica to maturity and
spawning. Academy of scientific research and Technology, First National
Conference on physiological Sciences.
30- El-Hammdy, H.Y.Makld M.N., Wahaba, M.T., Hussein S.Y 1984.
Studies on the effect of human chorionic gonadotrophic hormone (HG G) on
the gonads of the Nile fish, Tilapia nilotica during the summer season, 1Ovarin histology. Academy of scientific Research and Technology, First
National Conference on physiological Sciences.
31- El- Hammdy, H.Y., S.A. Raid and F.E. Nagib, 1979. Studies on some
characters of egg production of local turkey in North Iraq. 2. Studies on some
charactes of egg quality.
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
32- EL-Hammady, H.Y., S.A. Raidand F.E.Nagib,1979. Studies on some
characters of egg production of local turkey in North Iraq. 3. Studies on some
reproductive traits.
33- EL-Hammady, H.Y., S.A. Raidand F.E.Nagib,1979.Studies on some
characters of egg production of local turkey in North Iraq .1. studies on some
characters of egg production.
34- AL-Zujajy, R,j. and H.EL-Hammady,1978. The true value of solar dried
poultry manure for laying hens. Beitrage trop. Landwirtsch. Veterinarmedizin,
16,ig.
35- Al-Zujajy,R,j.and H.EL-Hammady and M.A.ABDULLA,1978. The use
of air coolers in broiler houses under subtropical conditions in
IRAQ. Br
poult Sci, 19 : 731-735.
36- AL-Zujajy,R.J..,I.F.Maria and El-Hammady H.Y.1977. Fresh, dried and
sterilized manure of chicken, sheep and cattle as feedstuff for growing chicks,
Beitrage trop Landwirtsch.veterinarmedizdin,15 jg.1977,H.I
37- Amer, A.A. and H.El-Hammady, 1976.Catozal in chicken diets. Assiut
Vet.Med.J.V.3.1976.
38- Amer, A.A., S. El-Amrousi and H,Y.El-hammady,1976. Trails with
concurate and low doses of mansonil in the treatment of poultry naturally and
experimentally infested with ascaridia galli. Separate de Notices medico
veterinaries, 1976, fasc. 1,p. 18-31, sp.336- 786/20670.
39- Darwish, A., H. Y. El-Hammady and A. M.El-gammal,1976. Calcium
and phosphorus balance in Dokki-4laying pullets as affected by ca:p ratio and
chloride levels. Assiut J.of Agric.Sci.,V.4, No. :45.
40- El-hammady,H.Y.and M.N.Makled 1976.Growth of male and female
Dokki-4 checks as influenced by iodine additives. Egyptian J.of Animal
production, v.16.
41- El-Hammdy,H.Y., M.N.Makled and A.A.Amer, 1976.Ammonium
percholorate-athyrostatic preparation in relation to chickens growth. Assiut
Vet Med J.V.3,No 5:93.
42- Osman, A. M., A.A.Amer,and H.Y.El-Hammady. 1976. Some studies on
ammonium prchlorate and catozal as additive to Fayoumi cockerels ration.
Assiut Veteinary Medical J.,V.3 No.5:105.
43- El-Hammady, H.Y., 1974. Reproductive performance and sexual
maturity of growing Dokki pullets . El-Azhar J. of Agric. Sci.
44- El-Hammady, H.Y., 1974. Egg production of Pekini ducks Upper Egypt.
El-Azhar J. of Agric.Sci.
45- El-Hammady, H.Y. and M.M.akled,1974. Egg production from chicken
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‫ﻗﺳم اﻹﻧﺗﺎج اﻟﺣﯾواﻧﻰ واﻟدواﺟن‬
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