INFLUENCE OF LYSINE CONCENTRATION AND RATIO OF METHIONINE AND THREONINE IN THE DIET FEED COMPOSITION ON THE PRODUCTIVE QUAILS AT THE AGE OF 1-4 WEEKS
DOI:
https://doi.org/10.37000/abbsl.2025.114.12Keywords:
lysine, methionine, threonine, feed, compound feeds, young quails.Abstract
A study was conducted to determine the influence of lysine concentration and the ratio of methionine and threonine in the composition of the diet on the productive qualities of quails at the age of 1-4 weeks.
In accordance with the experimental scheme, 300 young quails were selected at a daily age, from which 4 groups of 75 animals were formed.
The control group of quails consumed the basic diet (RD) - complete loose mixed feed (lysine - 1.6 %, methionine - 0.75 %, 1.0 %).
In the basic diet of young quails of 2 - experimental group, the methionine norm was increased by 0.5 %, 3 - experimental group, the threonine norm was increased by 0.5 %, 4 - experimental group, the methionine and threonine norm were increased by 0.5 %, respectively.
The basis of the compound feed for the experimental groups of quails was such components as soybean meal 35 %, wheat – 33, corn – 25, sunflower oil – 2.0, other feed materials and additives – 5 %.
Ensuring the poultry's need for trace elements, vitamins, and other biologically active substances was carried out by introducing 0.5 % of the premix for broiler poultry. The composition of the compound feed for quails of all groups differed only in the concentration of methionine and threonine in it.
It was established that the best productivity indicators are characterized by the livestock of the experimental group, in which the threonine norm in the composition of the diet was increased by 0.5 g per 1 kg of compound feed.
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