DIFFERENT LEVELS OF MIXED-LIGANDE COMPLEXES OF ZINC, MANGANESE AND COBALT IN THE FEEDING OF HIGHLYPRODUCTIVE COWS UKRAINIAN BLACK-SPOTTED DAIRY BREED THE FIRST LACTATION AND THEIR IMPACT ON FEED CONSUMPTION, PRODUCTIVITY, REPRODUCTIVE FUNCTION-Reference-Cited by-同舟云学术

DIFFERENT LEVELS OF MIXED-LIGANDE COMPLEXES OF ZINC, MANGANESE AND COBALT IN THE FEEDING OF HIGHLYPRODUCTIVE COWS UKRAINIAN BLACK-SPOTTED DAIRY BREED THE FIRST LACTATION AND THEIR IMPACT ON FEED CONSUMPTION, PRODUCTIVITY, REPRODUCTIVE FUNCTION

Published:2021-03-29 Issue:1 Volume:22 Page:110-119
ISSN:2664-5610
Container-title:Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology
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Short-container-title:SCIVP

Author:

Kropyvka Yu. G.,Bomko V. S.

Abstract

The results of studying the influence of different levels of mixed-ligand complexes of Zinc, Manganese and Cobalt in feeding high-lyproductive cows Ukrainian Black-Spotted dairy breed on feed consumption, milk productivity for the first 100 days of lactation, reproductive function and hematological parameters are presented. It was found that on average during the first 100 days of lactation experimental cows consumed 52.6-54.2 kg of feed mixture day and most of it was eaten by cows of the 4th experimental group. The best results in milk productivity (milk yield and fat and protein content) were obtained from cows of the 4th experimental group, which received rations with mixed-ligand complexes of Zinc, Manganese and Cobalt, the concentration of which in 1 kg of DM feed mixture, mg: Zinc - 48.6; Manganese - 48.6 and Cobalt - 0.62. Feed consumption per 1 kg of milk was the lowest in the 4th experimental group and amounted to 7.42 MJ of metabolic energy against 7.74 MJ of metabolic energy in the 1st control group and 7.19-7.48 MJ of metabolic energy in other experimental groups. Different levels of mixed-ligand complexes of Zinc, Manganese and Cobalt in feed mixtures of dry cows in the last 30 days of gestation caused a difference in live weight of calves at birth and had a positive effect on the reproductive functions of experimental cows. 2.1 fertilizations were required for one fruitful insemination of each cow in the 1st control group, 1.8 in the 2nd; 3rd - 1.6; 4th - 1.5 and 5th - 1.7. Analysis of hematological parameters of experimental cows shows that different levels of mixed-ligand complexes of Zinc, Manganese and Cobalt in concentrated feeds have a positive effect on the body of lactating cows, which, in turn, improves their milk productivity and especially reproductive functions.

Publisher

State Scientific Research Control Institute of Veterinary Medicinal Products and Feed Additives

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