Colour Traits Of Chicken Eggs With Different Eggshell Pigmentation
نویسندگان
چکیده
منابع مشابه
A Study on Quality Traits of Chicken Eggs Collected
Present study was conducted to evaluate the quality traits of poultry eggs collected from various sources i.e. market, commercial farm and backyard farming, in Karachi. A total of 250 eggs were analyzed for external and internal qualities. A significant difference (p <0.05) was recorded in quality parameters except percent shell, shell thickness, egg width, egg weight, shape index and Haugh uni...
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Juan Moreno* and José Luis Osorno Departamento de Ecologı́a Evolutiva, Museo Nacional de Ciencias Naturales-CSIC, J. Gutiérrez Abascal 2, E-28006 Madrid, Spain Permanent address: Departamento de Ecologı́a Evolutiva, Instituto de Ecologı́a, Universidad Nacional Autónoma de México, AP 70-275, México D.F., 04510 México *Correspondence: E-mail: [email protected] Abstract Avian egg colour has been e...
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BACKGROUND One possibility suggested regarding female post-mating strategies is differential allocation into offspring investment. Female birds produce not only the largest, but also most colourful eggs of all oviparous taxa. Larger eggs provide space for bigger embryos, or more nutrition for their development, but the question why eggs are more colourful and why there is variation in eggshell ...
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Chicken eggs represent an important source of protein to the growing human population and also supply repositories of unique genes that could be used worldwide. The inheritance of shank feathering trait is dominant upon non-feathering shank trait in chicken which is based on two factors: pti-1L and pti-1B that are located on Chromosomes 13, 15, and 24. Using 185 fertile eggs collected from two ...
متن کاملEarly Emhryogenesis in Chicken Eggs of Different Weights
Early embryogenesis in eggs of different weights, from a commercial strain of White Leghorn chickens, was studied. Observations were limited to unincubated blastoderms and embryos after 38 hours of incubation. Large eggs. were found to be associated with high frequency of "degenerating" blastoderms as compared to medium and small eggs. Mean width of the unincubated blastoderms was directly rela...
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ژورنال
عنوان ژورنال: Trakia Journal of Science
سال: 2015
ISSN: 1313-7050,1313-3551
DOI: 10.15547/tjs.2015.02.007