Efficiency of use of premixes on the basis of metal chelates in feeding cows in the first 100 days of lactation


  • Yu. Kropyvka Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Ukraine
  • V. Bomko Bila Tserkva National Agrarian University, Bila Tserkva, Ukraine
Keywords: highly productive cows, norms, premixes, trace elements, mixed ligand complexes of Zinc, Manganese and Cobalt, chelates, sulfuric acid salts of trace elements of Copper, Zinc, Cobalt and Manganese, Supplex Se.

Abstract

The results of the study of the influence of mixed lignite complexes Zinc, Mangan and Cobalt on the milk productivity of high-yielding cows of Holstein and Ukrainian Dairy Black-and-White breeds are presented. Balancing of ration of animals of the 1st control group to norm only by Selenium, Copper and Iodom, led to concentration in 1 kg of dry matter of feed mixture, mg: Zinc – 32.4; Manganese – 27.8; Cobalt – 0.27; Selenium – 0.3; Copper – 12 and Iodus – 1.1. The cows of the 2nd and 3rd experimental groups all the trace elements were brought to the norm (for the 2nd – due to Zinc, Manganese, Cobalt, Copper, Selenium Supplex and potassium iodite sulfates, for the 3rd instead of Zinc, Manganese and Cobalt sulfates were introduced their mixed-ligant complexes). Concentration of which in these groups in 1 kg of dry matter was, mg: Zinc – 76; Manganese – 76; Cobalt – 0.97; Copper – 12; Selenium – 0.3 and Iodine – 1.1. The concentration of Zinc, Manganese and Cobalt in 1 kg dry matter of feed mix was reduced to 20% for cows of the 4th experimental group, and the 5th for 30%. The results of the conducted research testify, that the application in feeding of high-yielding cows different doses of mixed-ligand complexes of Zinc, Manganese, Cobalt with the use of Supex Se and sulfur potassium sulphate and potassium iodite in the first 100 days of lactation, had a positive influence on the growth of their milk productivity. Doses of mixed ligand complexes Zinc, Manganese and Cobalt will eliminate the deficiency in these trace elements by 100%, 80% and 75% to the norm of AUIAH. Animals of experimental groups dominated the cows of analogues of the control group, whose diets were scarce on trace elements, by daily yield of natural milk, respectively, by 4.5; 5.8 and 4.0 kg, or 11.63; 14.99 and 10.34% and these differences were reliable. While the average daily milk yield in the 2nd experimental group, where the lack of trace elements was eliminated due to Zinc sulfates, Manganese, Cobalt and Copper, exceeded the average daily yield of cows of the 1st control group by 3.8 kg or by 9.82%. In the milk of experimental animals, a single increase in fat content of 0.01–0.09% was also noted. On the basis of the data obtained during the scientific and economic experiment, it was proved that the best effect on the milk productivity of cows was the dose of mixed-ligant complexes of Zinc, Mangan and Cobalt, which covered deficiency in these trace elements by 80% to the norm of AUIAH.

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Published
2017-10-30
How to Cite
Kropyvka, Y., & Bomko, V. (2017). Efficiency of use of premixes on the basis of metal chelates in feeding cows in the first 100 days of lactation. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, 19(79), 154–158. Retrieved from https://nvlvet.com.ua/index.php/agriculture/article/view/2799