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Register a new userEffect of using different oils and fats in the diet of laying hens on egg content of fatty acids and cholesterol
تأثير استخدام أنواع مختلفة من الزيوت و الدهون في الخلطات العلفية للدجاج البياض على محتوى البيض من الحموض الدهنية و الكولسترول
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أجريت التجربة على 24 دجاجة بنية منتجة لبيض المائدة بعمر 30 أسبوعاً وزعت عشوائياً إلى أربع مجموعات كل منها مؤلفة من 6 دجاجات وضعت في أقفاص فردية مرصوفة وفق نظام البطاريات في وحدة تغذية الدواجن في كلية الطب البيطري بجامعة حماة، و ذلك لدراسة تأثير أنواع مختلفة من الزيوت و الدهون على الكفاءة الإنتاجية و الطاقة القابلة للتمثيل الظاهرية و الحقيقية و معامل هضم الدهون الظاهري و الحقيقي للدجاج البياض.
The experiment was conducted on 24 brown laying hens at 30 weeks old and were randomly assigned to four groups, each consisting of six laying hens and put in individual cages stacked in accordance with the battery system in the unit of poultry feed at the Faculty of Veterinary Medicine, University of Hama, in order to study the effect of different types of oil and fat on performance, apparent and true metabolizable energy, and apparent and true fats digestibility.
References used
Ahn, D. U. Sunwoo, H. H. Wolfe, F. H. and. Sim J. S. (1995). Effects of dietary α-linolenic acid and strain of hen on the fatty acid composition, storage ability, and flavor characteristics of chicken eggs. Poultry Sci. 74:1540–1547
Ayerza, R., and W. Coates. (1999). An ω-3 fatty acids enriched chia diet: Influence on egg fatty acid composition, cholesterol and oil content. Can. J. Anim. Sci. 79:53–58
Balevi, T. and Coskun, B. (2000). Effects of some dietary oils on performance and fatty acid composition of eggs in layers Revue Méd. Vét. 151, 8-9, 847-854
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The experiment was conducted on 24 brown laying hens at 30
weeks old and were randomly assigned to four groups, each
consisting of six laying hens and put in individual cages stacked in
accordance with the battery system in the unit of poultry fee
d at the
Faculty of Veterinary Medicine, University of Hama, in order to
study the effect of different types of oil and fat on performance,
apparent and true metabolizable energy, and apparent and true fats
digestibility.
This paper describes a study of the influence of extraction system
(centrifugation and pressure system) on the chemical composition and sensory
quality of Dan virgin olive oils produced in Syria. Analysis of the effect of the
extraction system on
the values of analytical determination revealed
statistically significant differences (P≤0.05) in a few parameters only, mainly in
antioxidant content and oxidative stability. The results appear to confirm the
influence of the extraction system on the quality of Dan virgin olive oils.
The influence of Red Paprika and Local Safflower in the diets on yolk color
was studied in two experiments of ٨ and ٥ weeks using ٩٠ and ٢٤ laying hens,
respectively; Loghorn hybrids of Lohmann brown and Hy- Lain Brown strain,
were used.
In the f
irst experiment, yellow corn was substituted totally by rye and wheat
and ٤ different amounts of paprika or safflower were tested (٠,٢, ٠,٣, ٠,٤ and
٠,٥٪). In the second experiment the effect of sweet red paprika or hot red
paprika in the diet (٠,٥٪) on yolk color or some of production parameters was
studied.
The research aims to Study the fatty acids composition of each of (Rapeseed-
Borage-Soya bean) Oil Syrian Gas Chromatography-invasive manner, and compare the
results with global studies of the same studied oils, and shed light on both the Syrian
o
ils(Rapeseed- Borage) to be used as substitutes or mixtures of health benefit or as a drug.
the study showed that the importance of the oil lies in the amount of the percentages of
unsaturated fatty acids UFA and Polyunsaturated fatty acids PUFA and Monounsaturated
fatty acids MUFA, with the highest values in the UFA installation Syrian oils to Rapeseed
oil < Borage oil < Soya bean oil, search results compared Rapeseed oil and improved
processor and the highest percentage of genetically MUFA also showed the back of Syrian
oil Borage percentage of MUFA less, but The best percentage of PUFA clear appeared in
the oil Borage.
Orange fruits contain many materials such as oils in seeds which
have biological and nutritional values, due to that, physical and
chemical properties of orange seed oil (OSO) have been
determined, which extracted from two samples collected from two
areas (Al-ssisanyah and Al-jma'ashyah) which are different in
environmental factors.
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