Considering the significant influence of high ambient temperature and heat waves on the
well-being and productivity of dairy cows, it is to be expected that, in the course of the next …

♦ Corresponding author: rzadamcz@ cyfronet. pl abstract Perception of the environment by
farm animals is fundamental for expression of behaviour and of their adaptation to different …

The severity of heat stress conditions in high-yielding dairy cows is currently
underestimated. The present study aimed to determine the heat load threshold of the …

The presented study determining the relationship between the Temperature Humidity Index
(THI) value during the summer months (June–August) and daily behaviour of 40 Holstein …

Dairy calves exposed to solar radiation, elevated ambient temperature, and humidity are at
risk of impaired welfare and productivity. Initial detection of thermal discomfort requires …

The impact of low temperatures combined with higher velocity of ventilated air in winter
during severe frost in a free stall barn on the development of cold stress in Holstein-Friesian …

Heat stress imposes a challenge to the dairy industry, even in northern latitudes. In this
study, publicly available weather station data were combined with test-day records for milk …

Climate change is impacting worldwide efficiency and welfare standards in livestock
production systems. Considering the sensibility to heat stress reported for different milk …

♦ Corresponding author: p. herbut@ ur. krakow. pl abstract the aim of this study was to
determine the effect of free-stall barn orientation relative to cardinal points on the insolation …

A great individual variability of dairy cows and the diversity of conditions of their
maintenance make it difficult to unequivocally interpret the animals' behaviour and …