Мясная продуктивность голштинских бычков, выращенных по интенсивной технологии

This research was aimed at studying meat production and meat quality in the young cattle grown with elevated daily milk feeding rate and early shift to green forage with addition of probiotic Cellobacterin during the milk feeding period. The tests were held at Arteks-Agro Ltd., Kustchevsky District of Krasnodar Krai using progeny of Holstein breed cattle of Australian selection imported in 2008. The study was held in 2009 2011. Control slaughter was carried out at 15 and 18 months age (n=3 bull-calves in each group, total number of slaughter animals 24). For the purpose of the test, bull-calves were obtained from Reflection Sovereign line heifers and divided into 4 groups (n=64). Each group consisted of 16 bull-calves: I control; and II, III, IV test groups. The test group animals grown with elevated daily milk feeding rates supplemented with probiotic had higher meat production than Group I animals grown under conventional technology at all ages. Our study demonstrated that test Group III bull-calves had the highest meat production; the animals were fed to the following scheme: (in 50 days) 450 kg of milk and skim milk (from 50 to 110 day) 800 kg, with addition of probiotic Cellobacterin.