[Bovicystan treatment of subclinical ketosis in cows].

Experiments with normal animals (10 sheep and 15 cows) revealed that the intravenous injection of bovicystan led to a considerable and dependable rise of the blood sugar for 2 to 36 hours the peak being at the 6th hour. The treatment of 95 freshly calved cows on 8 farms with signs of subclinical ketosis (ketonemia 22.4 +/- 1.

[Comprehensive method for the prevention of mastitis in cows].

Trials have been carried out in the course of two years to reduce the cases of clinical and subclinical mastitis and the losses thereof in the industrial raising of cows. As a result of mastitis control measures the outbreaks of the disease were decreased: by 58.8 per cent, and by the end of the second year--by 66.