Youssef Attia
Professor
Broiler nutrition, laying nutrition, broiler breeders nutrition (female and male), duck nutrition, quail nutrition, diet balance and formulation,
Professor
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Participation in Forum on October 8, 2019
Protease and phytases had different mode of action on protein digestibility and thus a combination of them most likely to have a great effect during first 4 weeks of life and on low nutritive value feedstuffs. Perhaps more research can improve our background in this area.
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Participation in Forum on May 26, 2019
Please see works by Attia et al. and heat stress and Habashy et al and heat stress in details the effectiveness of any antiheat stress agents depends severity of heat stress such as duration, temperature and attitude as well as age of birds and genetic makeup.
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Youssef Attia likes the comment:
Youssef Attia doesn’t help if it doesn’t work. DL-methionine allowed in organic production in USA.
Youssef Attia likes the comment:
We have published research on herbal met the correct way with dose-response and found no met activity.
Youssef Attia likes this technical article:
Summary Fat in the poultry body is coming either through feed or through de novo lipogenesis from unused carbohydrates. Gross energy value of fats and oils is 2.25 times more than starch; Therefore, fat metabolism is very crucial for poultry. LIPC also called hepatic lipase is a key enzyme in the liver responsible to break fat into fatty acids. Fatty acids from adipose tissues travel through the ...
Participation in Forum on March 9, 2019
Based on the author's conclusion, it was concluded that although dietary Glutamine consumption can improve the performance of broiler chickens during the grower and whole period under heat stress, but it doesn’t affect the performance during starter period or blood parameter at week 6 of age. Thus, the lack of significant effect during the starter period may be due to high temperature r ...
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Participation in Forum on March 7, 2019
It may be due to as the best of knowledge to the improvement in the gut health as coccids negatively affected the gut health and integrity and thus vaccination as protection for coccids infection either of subclinical or clinical level can improve gut health and thus digestibility and absorbability as well.
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Participation in Forum on March 5, 2019
Results are contradictory from different big nutritional labs in the States. One big boss say something different, then more research are needed.
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Participation in Forum on March 5, 2019
It us very useful in organic farming
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Location:Jeddah, Makkah, Saudi Arabia
Profile: Academic / scientific
Professional Title: Professor
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