Direct evaporative cooling is the typically adopted ventilation system in poultry houses in hot
climates. This type of cooling is inefficient during period of relatively high humidity resulting …

Modern agricultural production puts forward higher requirement for environmental control.
Uniform air distribution can form the stable temperature, humidity and velocity of indoor air …

Heat stress and disease outbreak result in significant losses in large-scale egg productions.
New ventilation systems are needed for large-scale layer production facilities to provide safe …

An experiment was conducted to evaluate the dietary supplementation with lysozyme's
impacts on laying performance, egg quality, biochemical analysis, body immunity, and …

Controlling environmental conditions inside laying hens facilities systems and their effects
on physiology and performance is essential in defining management strategies to alleviate …

The region around the municipality of Bastos, state of São Paulo, accounted for about 7% of
Brazilian egg production in 2015. In 2012, it experienced a heat wave that resulted in the …

Light is an important factor in the management of laying poultry. The ideal lamp spectrum
that provides the best welfare conditions still needs to be determined. Wavelength and light …

Among the several factors required in breeding laying hens, debeaking is a factor that
interferes with batch performance and affects animal welfare. Thus, the objective of this …

The objective of this study was to compare the performance of laying hens between
automated aviaries, one with and another without acclimatized system. On a daily basis it …

The production of eggs in Brazil has grown, which has led to an increase in the density of
animals in the facilities, generating a decrease in ambience and well-being. Thus, this study …