The influence of biologically active supplement Bioril on performance of fattening lambs
2012
Ilić, Z., Faculty of Agriculture, Lešak (Serbia) | Stojković, J., Faculty of Agriculture, Lešak (Serbia) | Ružić-Muslić, D., Institute for Animal Husbandry, Belgrade - Zemun (Serbia) | Caro-Petrović, V., Institute for Animal Husbandry, Belgrade - Zemun (Serbia) | Petrović, M.P., Institute for Animal Husbandry, Belgrade - Zemun (Serbia) | Đoković, R.D., Faculty of Agronomy, Čačak (Serbia) | Kurčubić, V.S., Faculty of Agronomy, Čačak (Serbia)
Investigations were carried out in order to determine whether the addition of bioactive substances Bioril on different percentages in concentrate (0.3% and 0.6%), has an impact on weight gain and feed conversion in lambs. For the experiment were used lambs of Mis sheep breed, which at the beginning of the experiment were 50 days of age. The experiment lasted 42 days, so it is over when all lambs had 92 days of age. The experiment included 60 lambs (30 male and 30 female) were divided into three groups-20 lambs per group (control group I and II and III experimental groups ). The results shows that the greatest gains made lambs of group III. The difference between body weight of group I and II was 1.62 kg and was statistically significant (P is less than 0.01). The difference between body weight of I and III group was 1.87 kg and was also statistically significant (P is less than 0.01). The difference between the body weight of II and III groups was 0.25 kg and was not statistically significant (P is greater than 0.05). We find that lambs of all groups consumed per kg of gain more concentrated than hay. The difference in feed conversion between groups is not significant (P is greater than 0.05), but lambs of groups III and II consumed per unit of gain approximately 5g/kg and 10g/kg less concentrate than lambs of group I. Most hay consumed by lambs of group I. The difference in hay consumption between groups I and II is 20 g/kg. Lambs in group III consumed 30 g/kg which was less hay than group I and less 10 g/kg than lambs of group II. The most energy per kg of gain was consumed by lambs of group III, whereas lambs in II group consumed the least energy.
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