[Effect of preparation MP-15 on the productivity and metabolism of lactating cows].

Activation possibilities of redox and biosynthetic processes are studied for lactic cows with their ration supplemented by mineral-ammonium preparation MII-15. In the blood of cows from the experimental group the amount of a number of glycolysis, biocarboxylic cycle, ammonium nitrogen exchange products as well as activity of overamination enzymes vary as compared to control, which testifies to the stimulation of redox processes and protein exchange in tissues. Application of the MII-15 preparation is accompanied by an increase in the lactic productivity of cows by 8-10% on the average.

[Effect of bicarbonates and CO2 concentration increase in tissues on assimilation of ammonium nitrogen in cattle].

The feeding of carboxyline and cobalt salts to cattle young fattener receiving the concentrate-silo rations with synthetic nitrogen-containing substances (diammonium phosphate and urea) is accompanied by an increase in the concentration of bicarbonates and CO2 in blood and citric acid in blood plasma with a decrease of the ketonic bodies content in it. The level of carbon dioxide in tissues being increased, the content of ammonium nitrogen in the rumen fluid lowers and the activity of transaminases in blood plasma, the content of glutamate in the liver and that of urea in the rumen fluid increase which evidences for an intensified transformation of the ration nitrogen in the organism. The performance of animals is increased.