| Titles |
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English :
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Physiological studies on cholesterol in laying
hens
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Arabic :
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دراسات فسيولوجية على الكوليسترول في الدجاج البياض
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| Abstract |
A total of 240 IZA Brown and Fayoumi pullets at their first laying season were used to study the effect of dietary garlic and onion in blood and egg cholesterol and total lipids. At 5% egg production, birds were divided at random into five equal groups.
Allotted to adding garlic or onion to the basal diet: 5 gram garlic for 3 days/week/hen, 1 % onion for 6 days/week/hen and control group. Layers fed treated diets through tow months, then control diet for one-month more.
Dietary garlic or onion had significantly positive effect on feed consumption,
egg number and egg mass for both breeds than the control. Garlic is more effective than onion through treatment. There was slight improvement by adding 6 than 3 days of storage garlic or onion to diets. The positive effect of dietary garlic or onion was depressed or disappeared, when hens switched to the basal diet. So, garlic or onion must stay along the period of production.
During 2 - 4 weeks from adding garlic or onion to diets, both cholesterol and total lipids were decreased in serum, egg yolk and liver until the end of treatment (at 8 weeks), but tended to increase when hens switched to basal diet at 10 and 12 weeks of
treatment.
Cholesterol level was decreased about 13.9, 10.0 and 9.8% by dietary garlic and about 5.0 , 4.4 and 2.2% by dietary onion in serum, egg yolk and liver of I z a-Brown .hens, respectively. The corresponding cholesterol reduction was 14.4 , 8.0 and 13.9% by dietary garlic and 5.2 , 5.0 and 5.1 % by dietary onion for Fayoumi hens.
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| Publication year |
1999
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| Pages |
171p.
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| Availability location |
مكتبة معهد بحوث الانتاج الحيوانى- شارع نادى الصيد - الدقى - الجيزة
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| Availability number |
639
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| Organization Name |
Animal Production Research Institute (APRI)
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| Country |
Egypt
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| Department |
Poultry Breeding Research Department
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| Author(s) from ARC |
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| Agris Categories |
Animal physiology - Nutrition
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AGROVOC
TERMS |
Cholesterol.
Egg production.
Garlic.
Layer chickens.
Onions.
Physiological functions.
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| Publication Type |
Master Thesis
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