Ahmed Mohamed El-Gafarawy
Affiliation Animal Production Research Institute (APRI)
Department Cattle Breeding Research Department
Research Field Animal and Poultry Science(Animal Physiology - Reproduction) - Animal and Poultry Science(Animal Physiology)
Agrovoc Animal physiology
Degree PHD, Egypt, Alazhar in [1992]
Scientific Progress
Emeritus Chief Researcher in Animal Production Research Institute (APRI) [05/12/2007]
Chief Researcher in Animal Production Research Institute (APRI) [25/12/2002]
Senior Researcher in Animal Production Research Institute (APRI) [25/07/1997]
Researcher in Animal Production Research Institute (APRI) [07/09/1993]
Assistant Researcher in Animal Production Research Institute (APRI) [01/02/1980]
Research Assistant in Animal Production Research Institute (APRI) [02/11/1972]
Publications
Journal:
- Productive and reproductive performance of dairy cows fed corn silage without or with some microbial additives (2011)
- Effect of different housing systems and seasonal variations on growth performance, physiological parameters and economic efficiency of Friesian calves (2008)
- Growth, onset of puberty of baladi heifers and supsequent milk production as influenced by prepubertal injection of somatotropin (2005)
- Effect of seasonal variations on some physiological parameters and blood biochemical changes of Baladi cattle in middle Egypt (2004)
- New approach for using heart girth for calculating nutritive requirements. 3 For fattening Friesian grossbred male calves. (2002)
- Some aspects related to calving behaviour of sakha friesian dairy herdin delta rigon ,Egypt (2002)
- New approach for using heart girth for calculating energy requirements: 3- for fattening friesian crossbred male calves (2002)
- Effect of oxytocin adminstration on milking characteristics and some physiological responses of Baladi cows (2002)
- Changes in serum immunoglobulin concentrations and white blood cells count of new born Balady and Friesian calves (2002)
- Estrus behavior of Baladi heifers during cold and hot season in Egypt. (2001)
- Prediction of body weight using body dimensions of Egyptian baladi calves (2001)
- New approach for using heart girth for calculating nutritive requirements .2-for fattening friesian male calves (2001)
- Productive and reproductive performance of Friesian cows as affected by somatotropin treatment (2001)
- Reproductive performance of a herd of Egyptian Baladi cattle (2001)
- Effect of pre-partum vitamin E and selenium treatments on reproductive performance of Balady cows and immune activity of their offspring (2000)
Conference/Workshop:
- Feeding and meat production-related parameters in baladi, abondance x baladi and tarentaise x baladi fattened calves (2005)
- Effect of adding yeast culture or sodium bicarbonate to lactating Friesian cows diet containing fodder beet root silage on their reproductive performance (2000)
- Effect of adding yeast culture or sodium bicarbonate to Friesian cows diet containing fodder beet root silage on feed quality, milk production, feed conversion and body weight change (2000)
- Effects of adding yeast culture or sodium bicarbonate to lactating Friesian cows diet containing fodder beet root silage on rumen activity and blood constituents (2000)
- Effects of selenium and vitamin E supplementation on immune response and performance of baladi calves (2000)
- A study on some physiological parameters in baladi and friesian cows (2000)