Author:
Savrasov D A,Mikhailov A A,Stepanov V A,Lopatin V T,Kartashov S S
Abstract
Abstract
Metabolism violations are one of the most acute problems of industrial husbandry farming. Ketosis of cows remains an urgent problem. The material for the study was highly productive cows of the first and second lactations on 1-14 days after calving, weighing 480-630 kg. Animals suffering from metabolic subclinical ketosis were divided into two groups (71 heads in each group). Clinical studies were performed by testing the amount of β-hydroxybutyrate and analyzing data in Dairy Comp 305. The enterprise protocols were used to treat the animals. The effectiveness of treatment was evaluated every day; on the second day, 46.5% of cows recovered in the first group, 38.0% - in the second group, and 53.5% and 62% of cows in each group recovered on the third day. In animals with metabolic disorders, in particular, ketosis, the genetic lactation potential is not fully used which decreases profitability of the farm. Daily well-structured work aimed at preventing and treating postpartum diseases that decrease dry matter intake can reduce the risk of secondary ketosis. To reduce the risks of primary (metabolic) ketosis, it is necessary to follow the feeding regimes in all technological groups of animals and form them from animals with the same hierarchical status.
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