JUSTIFICATION FOR THE LEVEL OF PRODUCTIVITY OF LACTATING COWS WHEN APPLYING BIOLOGICALLY ACTIVE SUPPLEMENT ‘FERROURTIKAVIT’ IN THEIR DIET
Abstract and keywords
Abstract (English):
With the transition to new economic manage-ment conditions Russia’s agrarian and industrial complex (AIC) found itself in downfall. Consequent-ly, Russian AIC had to deal with the issues related to the increase in the production of high quality an-imal products - milk and meat. This problem can be solved by strengthening the fodder base, creating conditions to enhance the usefulness of animal feed. Promising direction for achieving the stated objective is application of various feed additives, including biologically active supplements. The pur-pose of made scientific and economic experiment is the study of biologically active supplements ‘Fer-rourtikavit’ effect on hematological and productive performance of black-motley breed of lactating cows. When introducing biologically active supple-ments ‘Ferrourtikavit’ in the diet of black-motley breed of dairy cows, hematological blood parame-ters were within normal limits. When introducing Ferrourtikavit in the diet at a dose of 0.25 mg/kg to 0.75 mg/kg, the level of hemoglobin and blood col-or index were higher compared to the control group, and positively affected physiological condi-tion of animals. The increase of blood serum total protein concentration was noted among the exper-imental II, III and IV groups, which was 12.6 % -14.0 % (Р<0.01-P<0.001) higher compared to the I group (the control group). The studies established that during the application of biologically active supplements ‘Ferrourtikavit’ in diets of dairy cows at a dose of 0.5 mg/kg of live weight, the highest milk yields 4678 kg ± 45.17 were registered. Milk yields in the experimental groups increased by 459- 531 kg (12.0-13.8 %) compared to the control group.

Keywords:
biologically active supplements, ‘Ferrourtikavit’, milk productivity, hematological pa-rameters
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References

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