The effect of corn silage quality on usage for digestion and balance of the body of sheep (first message)

Abstract

The article presents the results of studies on the effect of corn silage conditions on its quality, eating and digestion in the body of sheep. It is established that the ratio of individual particles of corn weight depends on the degree of ripeness of the corn mass. In the case of maize waxy degree of ripeness, the weight of stems, on average, is 27.30%, which is 5.41% more than when maize waxy degree of ripeness is used. The volume of foliage in the first version of the experiment was at the level of 40.5%, which is 1.19 times more than when using corn waxy ripeness of grain. At the same time, the weight of the grain in the silage was 1.31 times less than when it is used for silage corn of milky-wax degree of ripeness. It has been proved that increasing of the size of grinding corn with milk-waxy ripeness of grain to 2.0 - 3.0 cm and under conditions of reducing the parameters of silage weight consolidation from 400 to 600 kg / m3 is accompanied by the accumulation of oil acid from 0.13 to 3.40%. With the use of corn waxy degree of ripeness of the grain and grinding it from 2.0 to 3.0 cm and the seal from 400 to 600 kg / m3, the content of butyric acid in the silo ranged from 0.02 to 0.18%. Carotene content of corn silage of milky-waxy degree of ripeness of grain, grinding from 1.0 to 2.0 cm was 1, 68, 1.77, 1.65, 1, 46 and 2.75 times more than in corn silage of waxy ripeness of grain (p ≤ 0,01 - 0,001). The digestibility of organic and dry matter of corn silage in the body of sheep was quite high. The most significant differences we found in digestion of crude protein, namely the increase of this figure 36.24 ± 1.04% in animals of the first group to 47.26 ± 2.24% in sheep of the second group and to 44.66 ± 1.86 % in animals of the third group under conditions of feeding of silage from corn of milk – wax degree of ripeness of grain. In animals fed corn silage with a waxy degree of ripeness of grain, the digestibility of crude protein was 9.29%, 19.89% and 2.01% less than in those who fed corn silage with milky – waxy degree of ripeness of grain. In the future, these studies will allow the effective use of corn silage of milky - waxy degree of ripeness of grain in feeding sheep.