Welfare-oriented housing system for laying hens has started to be explored in China in recent years, while it has been developed for 30 years in America and other countries in the world and achieved much research progress. After the European Union (EU) promulgated the ban of conventional cages,...

Several countries and regions have regulations in place to provide standards for the welfare of production animals, which have implications for breeding, management and trade. In the chicken egg production industry, the welfare impacts of this are not well understood. In the past decades,...

Increasing space allowance and enhancing environmental enrichment are two approved solutions to improve pig welfare in modern housing systems, while limited research regarding their interactions could be found. To determine the proper stocking density for growing pigs under China's production...

In recent decades, goose production has become more specialized and widespread, and rearing geese in plastic wire-floor pens is common in China. This type of rearing pattern is more productive than other rearing patterns since it allows for more birds per square meter. However, it brings some...

Particulate matter (PM) from poultry production facilities may strongly affect the health of animals and workers in the houses, and PM emitted to the ambient air is an important pollution source to the surrounding areas. Aviary system is considered as a welfare friendly production system for laying ...

In the hot summer, the structure of goat house and stocking density are the key factors affecting the goat house micro-climate conditions. In order to correctly evaluate the goat types and reasonable design of stocking density, this study examined the air parameters of three goat houses, which were ...

This study investigated the effects of indoor stocking density on performance, egg quality, and welfare status of a native chicken, Beijing You Chicken (BYC), during 22 to 38 wk. A total of 1,040 19-wk-old BYC pullets were randomly allocated to 4 groups (2 replicates each) and reared in 8...

Objective: On account of history environmental factors such as temperature and humidity in farrowing houses, based on the data of a farrowing house of a modern pig farm in Guangdong Province, the temperature prediction model of pig house was studied based on time series and multivariate models....

The main considered environmental factors affecting performance of poultry is temperature. Thermal insulation performance of building component is the key factor that affects temperature stability, which is essential to ensure the bird's well-being, maximum productivity and efficient feed...

The objective of this research was to evaluate the growth, oxidative stress and HSP70 of pacific white shrimp under differentstocking densities. Juvenile shrimps(average weight 2 g) were stocked under three densities (30, 40, 50 ind/cage, expressed as S30, S40 and S50 respectively) for 60 days. All ...