In this experiment the influence of stocking density on the body conformation of broiler carcasses was investigated. One hundred and twenty broiler chickens were divided into three groups; each group comprised 40 chickens. At the end of the first week of the fattening period 20 chickens in each group were marked by random sampling. The first testing group (P1) represented the one with a lower stocking density (12 chickens per square meter); the second one (P2) with a higher stocking density (18 chickens per square meter), while the control group (K) was set in accordance with the technological recommendations (15 chickens per square meter). Breast circumference, drumstick circumference, keel length (crista sterni), breast depth and breast angle were monitored and measured on a weekly basis. Body conformation measures were determined on the carcasses in a horizontal position with their backs placed on the table. The appropriate instruments such as millimetre tape, caliper and ZP-3 protractor were used. In addition, a weekly live weight and feed consumption were measured. Production results (live weight, gain, feed-to-gain ratio and European Production Index (EPI) were calculated. Carcass grades were calculated based on the mass ratio of the cooled carcass and the live body weight before slaughtering. The research findings have confirmed that overcrowding in production facilities is always risky in regard to the expected production results. In contrast, by fully conforming to the production technology requirements, it is possible to achieve better production results.

cattle drinking water QUality-welfare indicator sUmmary The paper describes the importance of hygienic quality of drinking water and its influence on health, productivity and welfare of cattle. Quality of water from four different sources was determined in a laboratory by testing the organoleptic, physico-chemical and bacteriologic parameters. Samples that were not in compliance with the requirements of the Croatian standards for drinking water were disinfected, in vitro, with chlorine and hydrogen per-oxide based disinfectants. In a field study such disinfected water was offered to cattle. The study results, obtained by monitoring the drinking behaviour of cattle, have shown no preferences of non-disinfected over disinfected water with possible changed taste or odour.