Incubation value of eggs domestic strains grown in chicken rural areas our country | Inkubacione vrednosti jaja domaćih sojeva kokoši gajenih u ruralnim područjima naše zemlje
2011
Mitrović, S., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Đermanović, V., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Pupavac, S., Eko-Lab d.o.o. za upravljanje kvalitetom, Beograd - Padinska Skela (Serbia) | Ostojić, Đ., Odjeljenje za javni registar, Brčko (Bosnia and Herzegovina). Pododjeljenje za katastar | Rajović, M., T. Š. Zmaj, Zemun (Serbia)
The experiment was conducted to determine the value of incubation eggs laid by two native breeds or strains of chicken (white naked neck and black Svrljig chicken) that are grown in rural parts of our country and to the extensive system of keeping. The collected eggs from several rural households were incubated in the experimental laboratory of Faculty of Agriculture, Belgrade - Zemun (Serbia). Of hatching of deposited eggs was higher in white strain naked neck chickens and was 80.00%, and the black hen Svrljig 78.02%. The average egg weight was also a statistically significant (P is less than 0.001, P is less than 0.01) higher in white naked neck chickens than strain Svrljig black hens (61.27 g - 57.67 g), and scores of day-old chicks (41.13 g - 39.47 g), while the relative share of the weight saw the egg weight was higher in black Svrljig strain of 1.27 g (67.16% - 68.43%), but the difference was not statistically confirmed (P is greater than 0.05). In both strains of laying eggs between weight and weight of chickens were found statistically significant coefficients of phenotypic correlation (P is less than 0.001). Between the weight of eggs and the relative share of chicken in the egg weight yielded a negative correlation (r sub(p) = -0.204 sup(ns)) with white naked neck chickens and the black Svrljig positive (r sub(p) = 0.056 sup(ns)).
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