UDC636 Print ISSN 1450-9156 Online ISSN 2217-7140 BIOTECHNOLOGY IN ANIMAL HUSBANDRY VOL 28, 3 Founder and publisher INSTITUTE FOR ANIMAL HUSBANDRY 11080 Belgrade-Zemun Belgrade 2012 CONTENTS Z. Pavlovski, Z. Škrbiæ, M. Lukiæ, D. Vitoroviæ, S. Liliæ, V. Petrièeviæ SHELL QUALITY – EVERLASTING PROBLEM IN THE TODAY POULTRY SCIENCE................................................................................................................... N. Mincheva, M. Lalev, M. Oblakova, P. Hristakieva, I. Ivanova EFFECT OF FEATHERING ALLELES (K/K + ) ON LAYING PERFORMANCE, HATCHABILITY PARAMETERS AND SOME BODY MEASUREMENTS IN TWO LINES OF WHITE PLYMOUTH ROCK HENS............................................ N. Tolimir, L. Periæ, N. Miloševiæ, M. Ðukiæ – Stojèiæ, R. Jovanoviæ, V. Bogdanoviæ THE EFFECT OF PHASE NUTRITION DURING STARTER PERIOD ON PRODUCTION PERFORMANCES AND NITROGEN CONTENT IN FECES OF BROILERS OF DIFFERENT GENOTYPES........................................................... M. Ðukiæ Stojèiæ, N. Miloševiæ, L. Periæ, I. Jajiæ, N. Tolimir EGG QUALITY OF JAPANESE QUAIL IN SERBIA (Coturnix coturnix japonica) E. N. Uchewa, P. N. Onu.......................................................................................... THE EFFECT OF FEED WETTING AND FERMENTATION ON THE PERFORMANCE OF BROILER CHICK....................................................................... M. Sahraei, H. Janmmohamadi, A. Taghizadeh, G. Ali Moghadam, S. A. Rafat ESTIMATION OF THE RELATIVE BIOAVAILABILITY OF SEVERAL ZINC SOURCES FOR BROILERS WHEN FED A CONVENTIONAL DIET................. V. Vidoviæ, D. Lukaè, M. Stupar, V. Višnjiæ, J. Krnjaiæ HERITABILITY AND REPEATABILITY ESTIMATES OF REPRODUCTION TRAITS IN PUREBRED PIGS................................................................................. È. Radoviæ, M. Petroviæ, N. Parunoviæ, N. Brkiæ, B. ivkoviæ, M. Gogiæ, N. Stanišiæ THE EFFECT OF GENOTYPE AND YEAR ON TRAITS OF PERFORMANCE TESTED GILTS......................................................................................................... M. Popovac, D. Radojkoviæ, M. Petroviæ, M. Mijatoviæ, M. Gogiæ, D. Stanojeviæ, N. Stanišiæ HERITABILITY AND CONNECTIONS OF SOW FERTILITY TRAITS............. Ð. Okanoviæ, D. Ivanov, D. Paliæ, A. Mandiæ, N. Iliæ MEAT FATTY ACID PROFILE OF PIGS FED LINSEED ENRICHED DIET...... R. Ðedoviæ , V. Bogdanoviæ, G. Trifunoviæ, M. Petroviæ, M. M. Petroviæ, D. Stanojeviæ THE EFFECT OF THE LEVEL OF MILK YIELD ON THE REPRODUCTION TRAITS IN BLACK AND WHITE COWS.............................................................. D. Nikšiæ, V. Panteliæ, D. Ostojiæ-Andriæ, P. Perišiæ, M. Petrièeviæ, R. Ðedoviæ, M. Lazareviæ RESULTS OF THE BIOLOGICAL TEST OF SIMMENTAL BULLS IN CENTRAL SERBIA.................................................................................................. R.T. Gudaj, E. Brydl, J. Lehoczky, I. Komlósi STUDY OF ANIMAL WELFARE STATUS IN DAIRY COW HERDS IN HUNGARY................................................................................................................ M.P.Petroviæ, V. Caro Petroviæ, D. Ruiæ Musliæ, Z. Ilic, B. Miloseviæ,, J.Stojkoviæ, N. Maksimoviæ SOME IMPORTANT FACTORS AFFECTING FERTILITY IN SHEEP................ D. Ruiæ-Musliæ, M. P. Petroviæ, M. M. Petroviæ, Z. Bijeliæ, V. Panteliæ, P. Perišiæ, V. Caro-Petroviæ THE EFFECT OF THE SYSTEM OF CROSSING ON FATTENING PARAMETERS OF WEANED LAMBS................................................................. 393 405 415 425 433 441 455 463 469 477 487 497 509 517 529