THE BIOCHEMICAL CONTENT OF WINTER TRITICALE VARIETIES IN THE VOLGA REGION OF RUSSIA
2023
Ponomareva M.L. | Ponomarev S.N. | Mannapova G.S.
The results of the evaluation of the biochemical composition and feed value of 5 winter triticale varieties (Nemchinovsky 56, Cornet, Bashkirskaya short-stem, Beta, Svetlitsa) are presented. The research was carried out in the Tatarstan Republic during 10 years of different hydrothermal regime (2011-2020). Characterization of biochemical composition of forage is necessary for calculation of nutritive value of feed, both in feed units and in energy units. The influence of genotype on parameters such as crude protein, fibre, fat, sugar, calcium, and phosphorus content has been statistically demonstrated. Svetlitsa was the best variety for crude protein and sugar content, Cornet for fibre, Nemchinovsky 56 for fat, Beta for phosphorus and Bashkirsky short-stem for calcium. The development of all biochemical parameters of triticale grain was significantly influenced by environmental factors. The highest coefficient of variation between varieties was observed for protein and fibre content. In terms of metabolizable energy content, the evaluated triticale varieties correspond to class 1 for cattle and sheep, and class 2 for pigs and poultry of the Russian standard used for forage triticale.Using the method of Principal Component Analysis, three leading factors of variation of the studied indicators of nutritive and energy value of triticale, named "utilization and availability", "feed nutrition", "phosphorus supply", were determined. The identified components can be used for planning the selection process of winter triticale for feed purposes.
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