THE ECONOMICAL IMPORTANCE AND PLACE OF THE ADDITIONAL UREA AND CONCENTRATED FEED TO INCLUDING STRAW AND STRAW + UREA SUGAR BEET PULP SILAGE AT THE FATTENING OF HOLSTEIN BULLS
1. group Sugar beet pulp silage with urea and straw + concentrated feed I (2kg/d)
2. group Sugar beet pulp silage with straw + concentrated feed I (2 kg/d)
3. group Sugar beet pulp silage with urea and straw+concentrated feed ,II (0.71kg/d)
4. group Sugar beet pulp silage with straw + concentrated feed II. (0.71kg/d)
5. group (control) grouınd barley (ad-lib) + concentrated feed I (2kg/d)
During the fattening period, 5. Group had the highest level of totally and daily average live-weight gain with 212.9 kg and 1267 g; 1045 g it was followed by 1.. 2., 4. and 3. Groups with 185.7 kg. 1105g; 176.3 kg; 170.2 kg, 1013 g and 168.0 kg, 996 g respectively.
The average daily and for 1 kg of live-weight gain feed dry matter consumption of groups were 7.15, 650; 7.20, 6.92; 6.92, 6.98; 6.98, 6.89 and 6.73, 5.58 kg for 1, 2, 3, 4 and 5. groups respectively,
The highest values of the slaughter and cold carcass weihts and dressing percentage were found in group 5 with 396.7 kg, 233 and 58.3 % and 3. group had the lowest values with 348.3 kg and 192.7 kg and 55.3 % in the groups respectively.
Keywords : Ad-libitum; sugar beet pulp silage; fattening