Comparative evaluation of the influence of vaccinal stress on a number of physiological indicators, productivity and quality indicators of cows

The article presents the results of studies devoted to the influence of vaccination stress (stress related to the category of experimental stresses) on physiological indicators in terms of general clinical and biochemical blood analysis, productivity indicator and quality milk indicators of second lactation cows and first-calf cows.

Reproductive ability of extrazonal spiecies

The silvicultural taxation characteristic of English oak has been carried out under the conditions of the Vologda region. The assessment of the reproductive capacity of the species by examining the biometric indicators of acorns and by germination tests has been made. The assessment of natural regeneration has been carried out.

Desk02 theme