Confined animal feeding operations (CAFOs) are the main sources of air pollutants such as
ammonia (NH 3) and greenhouse gases. Among air pollutants, NH 3 is one of the most …

Due to greater consumption of poultry products and an increase in exports, more poultry
houses will be needed. Therefore, it is important to investigate ways that poultry facilities can …

This scientific opinion focuses on the welfare of laying hens, pullets and layer breeders on
farm. The most relevant husbandry systems used in Europe are described. For each system …

Poultry breeding takes place in intensive, high-production systems characterized by high
animal density, which is a source of harmful emission of odorous volatile organic …

Ammonia is a major harmful gas in the environment of livestock and poultry. Studies have
shown that excessive ammonia inhalation has adverse effects in pig heart. However, the …

The use of litter and manure in welfare-oriented systems for laying hens may negatively
affect the air quality and the work environment. The objective of the current case study was …

This study was conducted to evaluate the effects of various combinations of Lactobacillus
species (L. rhamnosus, L. paracasei, and L. plantarum) on closely associated variables of …

Dust and ammonia gas (NH3) are two of the most abundant pollutants suspended in the air
of poultry houses. Chronic inhalation of poultry dust and NH3 causes damage to the airways …

Ammonia is one of the gases that is considered dangerous in livestock environments,
especially in poultry farms. Increasing the concentration of ammonia gas in poultry cages …

Commercially housed laying hens are exposed to excreta/excreta gases that would not arise
in their natural habitats. Limited information is available on how exposure to excreta, excreta …