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![]() BALACCI, Sergiu. The influence of the mineral pemix “PMVS” on the functional state and adaptive capacities of calves in the postnatal period. In: Oltenia - studii si comunicari stiintele naturii, 2021, nr. 2(37), pp. 148-156. ISSN 1454-6914. |
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Oltenia - studii si comunicari stiintele naturii | |||||||
Numărul 2(37) / 2021 / ISSN 1454-6914 | |||||||
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CZU: 619:615.3:636.2.084-053.6 | |||||||
Pag. 148-156 | |||||||
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The main task of digestion physiology in animals is to maintain the body's homeostasis within normal limits, which is possible by determining the type of influence of the food factor on the homeostasis, development and realisation of the genetic potential of animals. The paperwork presents the mineral premix testing results made at the Institute of Physiology and Sanocreatology of the Republic of Moldova on some indices of calves’ metabolism in postnatal ontogenesis for determining the parameters that can condition the resistance and adaptive capacities of animals against environmental action and acceleration of forestomach functionality formation. When supplementing the food ration with ”PMVS”, by using physiological, biochemical and microbiological methods in the dynamics of age periodization (7, 30, 60, 90 days) of calves in the experimental researches, original data was obtained referring to the functional condition, resistance and adaptive capacities of the body. The elaborated premix stimulated the functional formation of the rumen, which was manifested by the increase of fermentation processes. A positive effect of calcium, phosphorus and their ratio was found, which indicates a moderate intensification of the metabolism of macroelements. The increase of the adaptive capacities of the body and the optimal maintaining of osmotic balance of extracellular and interstitial fluid was influenced by the K+ and Na+ properties of premix. The microelements (Fe2+, Cu2 + and Zn2+) have influenced the composition of oxidoreduction ferments, thus contributing to anaemia prophylaxis, increased immunological reactivity and the body weight of calves. During the experimental period, changes were recorded in the metabolism of proteins and protein fractions expressed by the reduction of the content of proteins and redistribution of their fractions. Increasing the biological value of ration, by including the mineral premix “PMVS”, influenced positively the cellular and humoral link of natural resistance of animals in early postnatal ontogenesis. |
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Cuvinte-cheie mineral premix, Calves, resistance, adaptation, premix mineral, Viţei, rezistenţă, adaptare |
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