Abstract
The article presents the material of study on clinical and echographic parameters of pregnant cows with various gestation pattern. The syndrome of fetal developmental retardation is recorded on average in 33.3% of pregnant animals, including complicated by gestosis – in 22.6%. In the cows with fetal developmental retardation syndrome at 135-150 days of gestation, a decrease in the intensity of blood supply to the developing embryo was observed, manifested by a decrease in the size of the placenta by 33.8-46.7% and the diameter of the middle uterine arteries – by 14.7-24.5%. Fetal developmental retardation syndrome complicated by gestosis at 7 months of gestation is clinically characterized by hypertension, edema in 85.8% of animals and the presence of protein (1.0 mg/ml or higher) in the urine.
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