Сухой свекловичный жом в комбикормах для дойных коров
2011
Gurskij, V.G. | Surmach, V.N., Grodno State Agrarian Univ. (Belarus)
In the conditions of the Republic of Belarus there was determined the influence of different doses of dry beet pulp addition into mixed fodders for milking cows. There was given its zootechnical and economic evaluation. Experiment on dry beet pulp use in diets of milking cows was realized at the enterprise 'Skidelskoe' in the Grodno area (Belarus). Scientific and economic experiment on cows was realized by a method of the balanced out groups. For the experiment there were selected 48 heads of cows of black-motley breeds in the view of age, productivity, physiological condition and alive weight. Animals were divided into four groups per 12 heads in each. The control group received standard mixed fodder K-60, and the second, the third and the fourth experimental groups - mixed fodders with the content of dry beet pulp respectively 15%, 20%, and 25%. Duration of experiment has made 92 days. The maintenance of experimental animals was fastened, drinking - from autodrinking bowls, feeding - thrice. As a result of studying of various norms input (15%, 20% and 25%) of dry sugar beet pulp to feed dairy cows it was found that 20% dose of the input was the optimal dose. Group of cows treated with this compound fodder increased milk production by 4,8%, reduced feed intake by 4.2%, which brought economic benefits.
Показать больше [+] Меньше [-]Ключевые слова АГРОВОК
Библиографическая информация
Эту запись предоставил National Academy of Sciences of Belarus