Egg quality characteristics in autochthonous genotypes of chickens raised on Macedonian rural farms
2014
Kocevski, D.(Ss Cyril and Methodius University, Skopje (Former Yugoslav Republic of Macedonia). Faculty of Agricultural Sciences and Food, Institute for Animal Biotechnology) | Bunevski, G. (Ss Cyril and Methodius University, Skopje (Former Yugoslav Republic of Macedonia). Faculty of Agricultural Sciences and Food, Institute for Animal Biotechnology) | Dzabirski, V. (Ss Cyril and Methodius University, Skopje (Former Yugoslav Republic of Macedonia). Faculty of Agricultural Sciences and Food, Institute for Animal Biotechnology) | Vukovic, V. (Ss Cyril and Methodius University, Skopje (Former Yugoslav Republic of Macedonia). Faculty of Agricultural Sciences and Food, Institute for Animal Biotechnology) | Porcu, K. (Ss Cyril and Methodius University, Skopje (Former Yugoslav Republic of Macedonia). Faculty of Agricultural Sciences and Food) | Nikolova, N. (Ss Cyril and Methodius University, Skopje (Former Yugoslav Republic of Macedonia). Institute of Animal Science) | Tanevski, M. (NGO SREBRA, Association of breeders of domestic village chickens, Skopje (Former Yugoslav Republic of Macedonia)) | Tasev, G. (NGO SREBRA, Association of breeders of domestic village chickens, Skopje (Former Yugoslav Republic of Macedonia))
Egg quality characteristics of three different autochthonous chicken phenotypes (phenotype having ashy-silvery-brown leghorn laced plumage color, phenotype having light brown spangled plumage color and phenotype having black or blue plumage color) were examined. These types of chickens are mainly raised as backyard rural area flocks in the villages of R. Macedonia. The data were collected through first systematic approaches in phenotypical identification and characterisation of these autochthonous genotypes realized recently. Three small flocks of old hens collected from different villages and placed in control pens were established. No data about number of eggs/hen/year is available for the established flocks. Further investigations are needed to record productive (number of egg produced) and reproductive data. The plan was that additional, yearly production records be collected from the flock produced as offspring from established flock of old hens collected from different villages and placed in control pens. Set of 90 eggs was collected (30 eggs from each plumage phenotype) and basic egg quality parameters measured. Egg size (weight) was 50.71g for brown laced plumage phenotype, 60.48g for blue plumage phenotype and 52.6 g for light brown spangled plumage phenotype. Egg shell strength was 3965, 3628 and 3924 g/cm2 for brown laced, blue and brown spangled plumage phenotype, respectively. Light brown spangled plumage phenotype had the highest value of yolk color (10.29) and Hough Units (76.63) compared to brown laced (10.08 and 75.27) and blue (9.09 and 71.65) plumage phenotype.
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