%0 Journal Article %T Content Vol.35 (1); 2012 %A Macedonian Veterinary Review %J Macedonian Veterinary Review %D 2012 %I Ss.Cyril and Methodius University, Skopje %K Macedonian Veterinary Review %K Content %U http://www.macvetrev.mk/2012-1/Content%20Vol%2034,%20No1.%202012.pdf