Poultry Welfare Technical Articles
Article published the July 15, 2019:
Heat stress is a form of hyperthermia (elevated body temperature) in which, the physiological systems of the body fail to regulate the body temperature within a normal range. Heat stress in animals is considere...
Article published the February 28, 2019:
Introduction
Heat stress is one of the major problems of poultry in heat areas of the world including Iran, especially in summer, leading to reduced performance, the production, feed intake, growth rates and...
Article published the February 28, 2019:
Introduction
Chronic heat stress (HS) is a great concern in all types of poultry production. Feed consumption, growth rate, mortality, and other important traits are adversely affected by severe HS. Reductio...
Article published the January 16, 2019:
Introduction
Appropriate housing conditions have a significant role in successful poultry farming. Poultry birds are mostly reared on floor and cage systems and need accurate management for better health and p...
Article published the January 14, 2019:
It is fairly common practice to operate evaporative cooling pads off both house temperature and an interval timer. For instance, the evaporative cooling pad pump would be set to turn on once house tempe...
Article published the November 6, 2018:
Introduction
Chronic heat stress (HS) is a great concern in all types of poultry especially broiler chickens. Reductions of feed intake (Teeter ., 1985) and lower growth rate as well as reduction in feed effic...
Article published the October 30, 2018:
Introduction
Keeping birds comfortable during hot, humid weather is critical for optimizing weight gains, feed conversion and livability. Improved growth rates and the trend to heavier average market weights c...
Article published the October 23, 2018:
Introduction
Many parameters such as temperature and humidity affect environmental conditions within a poultry house. Heat and cold stresses, wet litter and ammonia emissions are among the extreme conditions a...
Article published the October 5, 2018:
Raising chickens in the United States dates back to the 17th century when the English first brought them here. The chicken was originally domesticated by the English for cock fighting which was considered a spe...
Article published the October 4, 2018:
INTRODUCTION
Lairage times in poultry slaughterhouses usually range from 2 to 4 hours but may vary considerably depending on the logistics and planning of the processing plant. Vieira et al. (2011), who report...