Alaa El-sayed Zeidan
Affiliation Animal Production Research Institute (APRI)
Department Cattle Breeding Research Department
Research Field Animal and Poultry Science(Animal Physiology)
Contacts
E-mail address Zeidan20102010@yahoo.com
Work Telephones 0233374889
0182088376
Scientific Progress
Chief Researcher in Animal Production Research Institute (APRI) [25/12/2004]
Senior Researcher in Animal Production Research Institute (APRI) [02/12/1999]
Researcher in Animal Production Research Institute (APRI) [09/10/1994]
Assistant Researcher in Animal Production Research Institute (APRI) [30/09/1990]
Publications
- Productive and physiological performance of lactating Friesian cows as affected by heat stress under Egyptian condition (2014)
- Storagability, enzymatic activity and ability to penetrate cervical mucus of the camel spermatozoa during hot-humid and hot-dry environments (2013)
- Effect of dietary cobalt supplementation during late gestation and early lactation of Friesian cows on: 1. milk production, some blood parameters and reproductive performance (2013)
- Morphological and histological changes in the camel testes In relation to semen characteristics during breeding and non-breeding seasons (2013)
- Ultrastructure Study of Frozen-Thawed Spermatozoa of Friesian Bulls Treated by Certain Anthelmintic Drugs (2013)
- In vitro maturation of camel oocytes as affected by different media during breeding and non-breeding seasons (2011)
- Freezability, DNA integrity and fertilizing capacity of spermatozoa of Friesian bulls treated with anti –helminthic drugs (2011)
- Viability, enzymatic activity and penetrating ability of spermatozoa into she-camel cervical mucous as affected by different extenders (2011)
- Thermoregulation and blood biochemical changes in male dromedary camels during hot-humid and hot-dry environments under Egyptian conditions (2011)
- Effects of different ages on testicular measurements, copulation time, semen characteristices and blood components in the dromedary camels (2007)
- Effect of breeding season and steroidogenic potential of granulosa cells and follicular fluid on maturation of camel oocytes in vitro (2003)
- Semen quality, enzymatic activities and penetrating ability of spermatozoa into SHE-Camel cervical mucus as affected by caffeine addition (2002)
- Some productive and reproductive traits of male rabbits as affected by vitamin E and selenium administration under hot climatic conditions (2001)
- The role of niacin and sprinkling in improving functions of the heat stressed Friesian cows (2001)
- The role of niacin and sprinkling in improving functions of the heat stressed Friesian cows (2001)
Conference/Workshop:
 - تأثير اضافة الكوبلت المعدنى الى العليقة اثناء فترة الحمل المتأخر و بداية فترة الحليب لابقار الفريزيان على 1- انتاج اللبن و بعض قياسات الدم و الكفاءة التناسلية (2013)
- Effect of centrifugation on viability, acrosomal status and enzymatic activity of spermatozoa and sex ratio of rabbit kits (2008)
- Rabbit performance as affected by origanum majorana in diets (2007)
- Evaluation of the fumctional integrity of frozen thawed bovine spermatozoa membrane using hypoosmotic swelling test in relation to different packaging methods (2004)
- Effects of different extenders and cryoprotective agents on the frozen rabbit semen quality (2002)
- Some physiological and reproductive aspects of Baladi Red Buck Rabbits fed (2000)
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