Abstract
The aim of the present study was to investigate the effect of selenium yeast and phytobiotic on the storage capacity, selected quality parameters of meat and content of selenium in muscles obtained from broilers. In the experiment, 1440 male broiler chickens (Ross 308) were randomly assigned to four research groups: group received no additive (G1), group received a supplement of 0.3 mg Se (as sodium selenite)/kg of feed mixture (G2), group received 0.2 g phytobiotic and 0.3 mg Se as 0.1 g selenium yeast per 1 kg of feed mixture (G3) and group received 0.3 mg Se as 0.1 g selenium yeast per 1 kg of feed mixture (G4). Measurement of pH, determination of water retention capacity, degree of advancement of oxidative changes and selenium content in muscles were performed. Samples of chickens’ breast and thigh muscles were microbiologically analyzed. The additives significantly influenced the level of oxidation in muscles and the incorporation of selenium. The meat of chickens receiving organic selenium was characterized by significantly lower dynamics of oxidative changes. The studies carried out showed that selenium in organic form had better absorption.
Highlights
Selenium is an essential element of human and animal diets due to the fact that it forms part of at least 25 proteins that play an important role in the regulation of homeostasis [1,2]
Each replication consisted of 60 chickens: group received no additive (G1), group received a supplement of 0.3 mg Se as sodium selenite (Sigma-Aldrich, Saint Louis, MO, USA)/kg of feed mixture (G2), group received 0.2 g phytobiotic and
Based on the obtained results, it can be concluded that the breast and thigh muscles from the group receiving the supplement of phytobiotic and organic forms of selenium were characterized by the lowest pH
Summary
Selenium is an essential element of human and animal diets due to the fact that it forms part of at least 25 proteins that play an important role in the regulation of homeostasis (e.g., glutathione peroxidase) [1,2]. Feed selenium is available in various forms: inorganic types such as sodium selenite and organic types, e.g., selenium-enriched yeast, in which it is incorporated into certain peptides and amino acids such as selenomethionine, selenocysteine or selenocysteine. Organic forms of selenium are usually used in the form of selenium yeast, chelates, proteinates, pure selenomethionine and 2-hydroxy-4methylselenobutanoic acid [7,8]. We can observe the increasing use of selenium nanoparticles in animal nutrition. Numerous studies have shown that nanoparticles of inorganic selenium are
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