The new legislation for laying hens in the European Union put a ban on conventional cages. Production systems must now provide the hens with access to a nest, a perch, and material for dust bathing. These requirements will improve the behavioral aspects of animal welfare. However, when hens are kept with access to litter, it is a concern that polluted air may become an increased threat to healt...

Livestock scale breeding is the inevitable trend of future livestock and poultry husbandry. Closed requires excellent environment housings contain a lot dust, pathogenic microorganisms harmful gases, affecting health personnel. Most common sterilization dust collection devices for on market are too high energy consumption, easy to cause secondary pollution. Therefore, an environmental purificat...

Amid rising global disaster risks, governmental and nongovernmental organizations have called for increased technical assistance to build capacity within communities safer housing. However, limited research has evaluated these approaches building construction capacity. This study discusses the process of collaboratively designing an approach housing, evaluating this through measures builders’ s...

The present study was carried out for six weeks, from November 21st, 2013 to January 03rd, 2014 at Government poultry farm, Khatipura, Jaipur. A total of 135 dayold Giriraja chicks were divided into three treatment groups of 45 chicks which were further subdivided into three equal replicates of 15 chicks each. The synthetic and herbal vitamin C were supplemented through drinking water at the ra...

Baseline information on demographics and practices on semi-intensive free-range egg farms with an outdoor stocking density of ≤1500 hens/hectare in Australia is presented. Free-range egg production is changing the structure of the egg industry in Australia and a broad variety and tiers of free-range systems have emerged due to lack of concrete legislative standards on outdoor stocking densities...

Quantification of ammonia loss from animal feeding operations by measuring gaseous concentration and air exchange through the emitting source is not always practical, e.g., under natural ventilation conditions. Mass balance over an extended period of time may offer possibilities of remedy. This study compares two NH3-N emission estimate approaches for a commercial turkey grow-out house over one...

This article reports the first publicly available egg production costs compared across 3 hen-housing systems. We collected detailed data from 2 flock cycles from a commercial egg farm operating a conventional barn, an aviary, and an enriched colony system at the same location. The farm employed the same operational and accounting procedures for each housing system. Results provide clear evidenc...