id: 36573
Title: Meat productivity and quality of meat and liver of broiler chickens after consuming diet with mineral supplements containing chelates of cuprum, iron, zinc, and manganese
Authors: Razanova O.P., Ohorodnichuk G.M., Holubenko T.L., Skoromna O.I., Novgorodska N.V., Solomon A.M., Ovsienko S.M.
Keywords: broiler chickens; chelate microelements; chemical composition; mineral elements; muscles; liver
Date of publication: 2024-06-06 10:55:50
Last changes: 2024-06-06 10:55:50
Year of publication: 2024
Summary: Poultry farming plays an important role as a producer of high-quality animal protein, which can solve issues of protein deficit among the population. Genetic growth potential of broiler chickens can be maximized through regular supply of microelements, especially chelate aminoacids. Those compounds improve metabolic processes in the body and increase increments in live mass and slaughter-yield of meat. The main objective of the study was identifying effects of mineral supplements with chelate microminerals on meat productivity of broiler chickens, quality of breast and thigh muscles, and content of mineral compounds in meat and liver. The studies were carried out on Kobb-500 broiler chickens, divided into three groups, each comprising 25 individuals. The experiment lasted from day 1 to day 42 of raising poultry. Broilers of the control group received the basic diet balanced in nutrients; the diet of birds of the second group was supplemented with Kronotsyd-L with chelates of copper, iron, zinc, and manganese in calculation of 0.25 mL/L of water, and chickens of the third consumed a diet with copper glycinate in calculation of 0.30 mL/L of water. Subject to mineral supplements with chelate microelements, the chickens had the highest mean-daily increments of live mass, slaughter yield, and yield of breast muscles. Use of mineral supplements in the diet of broiler chickens affected the quality of their meat, in particular its chemical composition. Those supplements led to changes in mineral composition of meat, influencing the concentrations of individual minerals in the tissues of the birds. Since minerals are important components of protein metabolism, the supplements augmented the content of dry matter and protein in meat. In the broiler chickens that had been receiving copper glycinate, the breast muscles had statistically significant increases in the mass shares of dry matter and protein. We found decrease in the content of fat in the breast and thigh muscles and the liver subject to copper glycinate and Kronotsyd-L with chelates of copper, iron, zinc, and manganese. This indicates improvement of the quality of meat and the liver. Use of mineral supplements with chelated microelements increased the ash content in dry matter because of higher concentrations of phosphorus, calcium, magnesium, iron, and manganese.
URI: http://socrates.vsau.edu.ua/repository/getfile.php/36573.pdf
Publication type: Статті Scopus
Publication: Regulatory Mechanisms in Biosystems. 2024. Vol. 15 (1). P. 159-165. DOI: 10.15421/022423
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