Agrarian Science and Food Technologies

POSTERNAK Leonid, Candidate of Agricultural Sciences, Associate Professor of the Department of Technology of Production of Livestock Products, Vinnytsia National Agrarian University;                   (21008, 3, Soniachna Str., Vinnytsia; e-mail: posternak31@i.ua)

Nowadays the problem of increasing the livestock products production has become national major public task because of its importance and significance. Both cheap and high-quality products can be obtained due to the rational feeding of young animals at all stages of their growth; diets balancing by the most important nutrients are of great importance, too.

The evidence-based feeding of animals means a variety of feed in the diet and its balance in terms of nutrition elements in accordance with zootechnical standards.

The green fodder such as alfalfa grass is a source of cheap, biologically valuable feeds that fully correspond to the physiology of animals’ digestion. The dry matter of the young herb by energy nutrition and the content of digestible protein is similar to concentrated cereals, but it prevails them by biological value.

The scientific experiment conducted on three fattening groups of analogue pigs made it possible to realize the fact of cheapening of pigs ration by replacing cereals with alfalfa grass with the preservation of high productivity.

The largest amount of feed units per kg of growth was spent by animals of control group. It was 4.97, it is by 0.08 (1.6%) more than in the second group and by 0.02 (1.4%) more than in the third one. The pigs of the second experimental group consumed the highest amount of dry matter (2.94 kg); it is by 0.15 kg more than in the first group and it is by 0.06 kg more than in the third group. The pigs of the second experimental group consumed the least amount of raw and digestible protein (582 g of raw and 464 g of digestible protein). The highest expenditure of metabolic energy per 1 kg of growth was in the control animals and amounted to 54.10 MJ, it is by 1.07 MJ (1.98%) more than the second group has and by 0.59 MJ (1.1%) than the third group.

Grains per 1 kg of growth were spent differently in all the experimental groups. The first group indicator was 4.09 kg, the second had 3.90, the third had 3.71 kg, it is 10% less than in the control.

As a result of the experiment, we have achieved positive results in saving grain concentrates; it was 13.1 kg per one head for 112 days of growing. 

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