Czech Journal of Animal Science, 2007 (vol. 52), issue 3
Study of SNP 775C>T polymorphism within the bovine ITGB2 gene in Polish Black-and-White cattle and in local breeds of cattle
U. Czarnik, M. Galiński, T. Zabolewicz, Ch.S. Pareek
Czech J. Anim. Sci., 2007, 52(3):57-61 | DOI: 10.17221/2356-CJAS 
The present study addresses the characteristics of the frequency and segregation of alleles determining the SNP 775C>T polymorphism within the bovine ITGB2 gene in the Black-and-White cattle population as well as in two endemic breeds of Polish Red and Polish White-Back cattle population qualified to the international programme of genetic resource diversity preservation in farm animals. The SNP 775C>T polymorphism revealed three amplified restriction fragments of 31 bp, 77 bp and 108 bp, forming three genotypes CC (31 bp, 77 bp), CT (31 bp, 77 bp, 108 bp) and TT (108 bp). A group of randomly selected Black-and-White...
Functional state of mammary gland of sows dried off by different techniques
A. Rekiel, K. Czumińska, J. Więcek, W. Bielecki, J. Kulisiewicz
Czech J. Anim. Sci., 2007, 52(3):62-69 | DOI: 10.17221/2358-CJAS
Sows were dried off by a traditional method (control - C, restricted feeding before, during and after weaning) or by a modified one (experimental - E, intensive feeding before, during and after weaning). On day 5-6 after weaning of the 3
Effect of weaning system on lamb growth and commercial milk production of Awassi dairy sheep
S. Dikmen, I.I. Turkmen, H. Ustuner, F. Alpay, F. Balci, M. Petek, M. Ogan
Czech J. Anim. Sci., 2007, 52(3):70-76 | DOI: 10.17221/2357-CJAS
To determine the effect of weaning system on Awassi sheep milk production and lamb growth, 68 Awassi ewes and their lambs (n = 104) were assigned to one of the following treatment groups a) after 3 days from birth (MIX), ewes were separated from their lambs during the evening for 15 h and milked once daily in the morning, and their lambs were allowed to suckle for 9 h during the day or b) ewes were not milked and suckled by their lambs (DY60) during the first 60 days of lactation. Ewes and their lambs were assigned to the groups according to ewe's age, parturition date, sex of the lamb and birth type. All lambs were weaned at 60 days of age...
Effects of goat social rank on kid gender
C. Tölü, T. Savaş, A. Pala, H. Thomsen
Czech J. Anim. Sci., 2007, 52(3):77-82 | DOI: 10.17221/2235-CJAS
Mechanisms of gender ratio in progeny are complex and the fine details are still largely unknown, even in mammals. Though the 50% ratio of males and females is expected, various factors have been shown to be effective in diverting the ratio from the expected. In this study, dominance index, effects of sire, age of dam, birth type and year of birth on the gender ratio of Turkish Saanen goat kids were investigated in a full model. The analysis indicated that dominance index (DI) of the dam had a significant influence on the gender ratio of kids (P = 0.036). Certain sires tended to father female descendants repeatedly and the dams with high dominance...