Bìol. Tvarin, 2016, vol. 18, no. 1, pp. 33–39


I. Ibatullin, N. Nechay, R. Deineko, V. Otchenashko

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National University of Life and Environmental Sciences of Ukraine,
15 Heroiv Oborony str., 15, Kyiv 03041, Ukraine

The article contains experimental data on the comparison of the efficiency of different forms and types of acidifiers and probiotic during feeding the growing quails of Pharaoh breed. The indicators such as live weight of quails, absolute and average daily gain, the expenditures of feed per 1 kg increase in body weight have been studied. It is shown that application of the investigated feed additives positively affects the productivity of poultry. These results are probably related with the choice of optimal type and level of used acid (acidifier) because feed composition, age of animals and direction of their productivity were the same. As a result of antimicrobial activity of organic acids there is an overall bacteria reduction in gut that also reduces metabolic needs of microbes and enhances absorption rates of nutrients, especially of energy and amino acids leading to better feed efficiency and improved daily gain.

It has been established that feeding up mixed fodder with the addition of liquid acidifiers based on the lactic acid with the addition of mineral elements in dose 0.3 ml/100 g is the most effective for growth and productivity of young quails (live weight increases by 9,1–13,0 %, average daily gains and absolute gains improve by 9,6 % on the average and the expenditure of feed by 1 kg of live weight decreases by 4,8 %) in the period from the 1st to 35th day.

It can be concluded that when choosing the right form, the type and inclusion level of the acidifiers one can get the maximal effect from additives that maximize the productivity of young quails of the Pharaoh breed.


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