PRODUCTIVITY OF YOUNG PIGS WITH THE USE OF TRITICALE WITH LUPIN IN DIETS

The results of research on the use of grain mixtures of different composition made in the Polissya area of Ukraine (%): No. 1 (wheat – 75, lupine – 10, mixed feed – 15), No. 2 (wheat – 55, triticale – 20, lupine – 10, mixed fodder – 15), No. 3 (wheat – 35, triticale – 40, lupine – 10, mixed feed – 15) when growing and fattening young pigs. It was found that the replacement of 20-40% (by weight) of wheat in the composition of grain with the corresponding amount of triticale in animal diets adversely affects their productive qualities (by 9.5-10.3%) and increases the feed costs per unit of production by 10.1-10.6%. The difference in the live weight of young pigs between the control and experimental groups at 2 months was 0.4-2.0 kg (0.6-2.9%), at 3 months – 1.4-4.7 kg (1.6-5.8%), in 4 months – 5.8-6.8 kg (5.7-6.8%), in 5 months – 8.0-8.3 kg (6.9-7.1%) (P<0.95). The average daily growth in the live weight of animals of all experimental groups ranged from 480 g to 535 g during the period of research. The highest growth rate was observed in the youngest pigs of the first (control) group – 535 g. On the basis of the feed costs per 1 kg of the increase in the live weight, the animals of groups II and III (experimental) also yielded to the young from the control group 0.55-0.58 fodder units (10.1-10.6%) and 8.1-11.3 MJ of exchange energy (by 16.3–22.7%). Expenditures of digestible protein per unit of increment ranged from 572-658 g and were higher in piglets of research groups by 12.4-15.0% than in controls. An insignificant intergroup difference in the weight of the carcass and the slaughter weight of the young pigs was established. These parameters in piglets I (control) group were higher, respectively, by 5.0-7.5 kg (by 5.7-8.9%) and 6.15-8.15 kg (by 6.3-8.5%) than in II and III (experimental) groups. It should be noted that both absolute and relative liver weights were higher in pigs I (control) group, in comparison with II and III (research) groups – by 0.21 kg and 0.06% (absolute) and 0.40 kg and 0.24% (absolute), respectively (P<0.95). A similar trend is also observed in the absolute weight of the heart. Thus, this indicator in experimental group animals was 0.03 kg lower than in control without a significant intergroup difference. At the relative weight of the heart, all experimental animals were on the same level – 0.35%. We also did not establish significant intergroup differences in the weight of lungs, kidneys and spleen in experimental piglets