Tarek Mohamed Abd El-Khalek
Affiliation Animal Production Research Institute (APRI)
Department Sheep and Goat Research Department
Research Field Animal and Poultry Science(Animal Physiology)
Agrovoc Physiologists - Goats - Sheep
Contacts
E-mail address tarek1861@yahoo,com
Work Telephones 0233371994
0107656347
Fax 0276000598
Scientific Progress
Researcher in Animal Production Research Institute (APRI) [23/10/2002]
Assistant Researcher in Animal Production Research Institute (APRI) [14/08/2001]
Agricultural Engineer in Animal Production Research Institute (APRI) [17/07/1996]
Publications
Journal:
 - Thermal responses and respiratory activities of sheep under heat stress as affected by some dietary salts (2011)
- Nutritional evaluation of a fungal-yeast probiotic fortified with natural antioxidants on performance of sheep. 1-nutrients digestibilities, dietary nitrogen utilization, rumen fermentation and changes of blood biochemical constituents (2011)
- Nutritional evaluation of a fungal yeast probiotic fortified with natural antioxidants on performance of sheep. 2- body weight gain, feed conversion efficiency, carcass characteristics and body composition of two local breeds of sheep raised under two different climatic conditions (2011)
- Effect of energy flushing pre-mating and during mating season on production and reproduction performance of Zaraibi goats (2011)
- Performance of growing lambs fed fungs treated sugarcane bagasse (2011)
- Effect of modifyng roughage /concentrate ratio on semen quality and fertility as affected by exhaustive ejaculation in zaraibi billy goats (2010)
- Improving the nutritive value of corn stalks by fungal treatments (2009)
- Seasonal effect on nitrogen metabolism and its reflection on maintenance protein requirements for Egyptian Oasis sheep (2009)
- Effect of feeding rations containing graded levels of biologically treated wheat straw on carcass characteristics and some blood parameters of growing lambs (2008)
- Effect of biological treatment for wheat straw on carcass characteristics of small ruminants (2007)
- Effect of biological treatments for wheat straw on performance of small ruminants (2007)
- Effect of fascioliasis on hematological , serum biochemical and histopathological changes in sheep (2007)
- Thermoregulatory responses of sheep to starvation and heat stress conditions (2007)
- Thermoregultory mechanisms in new born kids and lambs (2004)
Conference/Workshop:
 - Environmental effect on nitrogen metabolism and its effect on protein requirement of Egyptian oasis sheep (2008)
- Effect of exposure to solar radiation on body fluids and thermoregulation of pregnant Egyptian Baladi goats (2008)
- Thermoregulatory mechanisms of sheep and goats to water deprivation under hot climate (2008)
- An approach to develop a biometeorological thermal discomfort index for sheep and goats under Egyptian conditions (2005)
- Effect of seasonal variations on adaptability of goats under Egyptian environmental conditions (2000)
- Effect of exposure to solar radiation on some adaptive physiological mechanisms of Egyptian goats (2000)
Master Thesis:
 - Adaptability of goats under Egyptian environmental conditions. (1997)
PhD Thesis:
 - Comparative study between sheep and goats in their adaptability under Egyptian conditions . (2002)
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