Yolk colour of eggs from different housing systems
نویسندگان
چکیده
منابع مشابه
Comparison of Bioactive Compound Content in Egg Yolk Oil Extracted from Eggs Obtained from Different Laying Hen Housing Systems
Egg yolk oil is a natural source of bioactive compounds such as unsaturated fatty acids, oil soluble vitamins, pigments and others. Bioactive compound content in egg yolk oil depends from its content in eggs, from which oil was extracted. Many studies show that bioactive compound content in egg is correlated to the content of these compounds in hen feed, but there is also an opinion that hen ho...
متن کاملEffect of housing systems on biochemical composition of chicken eggs
The aim of this study was to investigate the impact of production system (organic, conventional) on the quality of chicken eggs. Energetic value, carbohydrate, cholesterol, protein, fatty acid, sodium, potassium, phosphorus, dry matter and vitamin contents were evaluated. The mean content of cholesterol was 30%, and potassium 7%, greater in the organic eggs compared with the conventional eggs. ...
متن کاملHen welfare in different housing systems.
Egg production systems have become subject to heightened levels of scrutiny. Multiple factors such as disease, skeletal and foot health, pest and parasite load, behavior, stress, affective states, nutrition, and genetics influence the level of welfare hens experience. Although the need to evaluate the influence of these factors on welfare is recognized, research is still in the early stages. We...
متن کاملProteins and Lipoproteins in Yolk from Eggs of the Estuarine Crocodile (crocodylus Porosus); a Comparison with Egg Yolk of The
1. The livetin patterns of the two species Crocodylus porosus and Gallus domesticus were very different and it was difficult to find a correspondence. 2. In C. porosus the granules were a larger proportion of the total yolk but they contained very little lowdensity lipoprotein when compared with granules from hens' eggs. 3. The low-density lipoprotein was a lower proportion of the yolk of C. po...
متن کاملEffect of Two Housing Systems (cages Vs Deep Litters) on External and Internal Egg Characteristics of a Commercial Laying Birds Reared in Derived Savanna Zone of Nigeria
This study was carried out to investigate the effect of two housing systems on external and internal egg characteristics of a commercial laying bird. Two hundred and eighty pullet of Nera layers were divided into two even group kept in different housing systems (deep litter vs cage). External and internal egg quality traits were examined at 26, 30, 34 and 38wk. Data were then collected on egg w...
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ژورنال
عنوان ژورنال: Meso
سال: 2019
ISSN: 1848-8323,1332-0025
DOI: 10.31727/m.21.4.4