Innovative feed additives in the optimization of laying hen diets
Abstract
The relevance of this research is determined by the need to improve the efficiency of protein utilization and reduce the cost of poultry products through the use of highly bioavailable protein and amino acid components, which corresponds to modern trends in sustainable and energy-efficient feeding. The study aimed to evaluate the effectiveness of complex enrichment of compound feeds with high-protein feed yeast (46%) and the “Progloat” additive (19%), which contains a balanced complex of amino acids, vitamins, and microelements, in ensuring optimal protein nutrition and maintaining physiological homeostasis in laying hens. This article presents a fragment of comprehensive research on the intensity of metabolic processes in laying hens under conditions of quantitative and qualitative modification of dietary protein, including the use of bioelements in the form of nanoaquacitrates and enzyme suppl e ments to maximize digestible protein absorption and minimize feed conversion and nutrient emissions. The data presented focus on the effects of dietary correction on selected biochemical indicators in the blood and liver. It was found that the optimal feeding regime for Lohmann Brown laying hens included 19% of the innovative protein concentrate “Progloat” and 3.5% of high-protein (46%) feed yeast, with a simultaneous replacement of inorganic mineral premixes by citrate forms of trace elements (Zn, Mn, Fe, Cu, Co, Se, I) at 25% of their control diet content. Under such dietary correction, no negative dynamics of the serum biochemical profile were o b served. The total protein content in the blood of all groups remained stable and depended mainly on protein quality rather than its quantity. The use of innovative protein supplements enhanced protein utilization and increased total hepatic protein and proteolytic enzyme activity. Additionally, the calcium concentration in the blood correlated with increased eggshell strength, which rose by 4.1% compared to the control. The practical value of this study lies in the scientific justification for introducing innovative protein additives into production diets to increase the biological value of feeds, improve product quality, and reduce resource consumption.References
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