Abstract
The reproductive function of cows is ensured by a homeostasis system. The aim of this study to investigate scientific data and analyze modern practical approaches related to metabolic disorders. Also investigating immune response. The object of the research was the cows (Bos taurus taurus) of Ukrainian Black-and-White dairy breed. Using the method in groups and periods. The control group of animals The control group of animals (C1, n=137) – cows with a physiological of pregnancy (248-255 days). Re-examination of control animals (C2, n=137) was carried out during the postpartum period. The first experimental group (E1, n = 32) consisted of animals diagnosed with preeclampsia. Cows with a subclinical course of ketosis constituted the second group (E2, n = 52). The development of preeclampsia of cows was accompanied by an increase in the content of medium-sized peptides from 0.2 ± 0.01 to 0.3 ± 0.03 Mol.Wt. (P < 0.01), and an increase in the level of average molecular circulating immune complexes. It is proved that an imbalance in the diet and a deficiency of metabolic energy during the dry period and for 6-8 weeks after birth negatively affects the health of animals, is the cause of metabolic disorders and the manifestation of reproductive pathologies.
Highlights
IntroductionThe reproductive function of cows is ensured by a ho- borderline state on the verge of “disruption” with pathology meostasis system, coordinated and harmonized function of (Roche et al, 2000; Castillo et al, 2003; Zhelavskyi, 2011)
The development of pregnancy pathology in cows was accompanied by significant changes in clinical and status, as well as changes in biochemical and immunological parameters
The heart rate in cows increased from 68.2 ± 3.18 to 83.1 ± 1.17 beats / min (P < 0.001), the respiratory rate from 17.3 ± 0.45 to 19.2 ± 0.52
Summary
The reproductive function of cows is ensured by a ho- borderline state on the verge of “disruption” with pathology meostasis system, coordinated and harmonized function of (Roche et al, 2000; Castillo et al, 2003; Zhelavskyi, 2011). Ders in the body of cows, the development of a number of under such conditions will estrous cycles appear in animals. The course of normal childbirth and the are highly productive cows, which can cause gestosis, parerestoration of the body in the postpartum period (Bernabucci sis, partum dystocia, retention of the placenta, mastitis, et al, 2005). The functioning of the homeostasis system largely de- postpartum complications are recorded in the first days after pends on the feeding conditions and the content of the dairy calving, and can subsequently develop for 6–8 weeks
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