A washington post writer who visited a chicken shed said that “[d] in addition to drugs, genetic selection is also used to make chickens grow faster and larger. the average chicken today is four times bigger than one in the 1950s, and chicken breasts are 80 percent larger than they were back then. many chickens become crippled because their legs cannot support the weight of their bodies. Poultry farming is the process of raising domesticated birds such as chickens, ducks, turkeys and geese for the purpose of farming meat or eggs for food. poultry are farmed in great numbers with chickens being the most numerous.. Poultry housing and management in developing countries phil glatz, pig and poultry production institute, sardi, ticularly for meat chickens – is on keeping the birds cool. production systems international poultry breeding and feed companies operate in many developing countries and have established large-scale com-mercial farms in a significant number of them. the housing and equipment.
Chickens that are raised for the purpose of meat production and have a larger body frame and weight than layers (beutler, 2007). approvals and construction of poultry farms. One contract chicken grower's complaints against the current system -- stagnating income and rapidly increasing expenses for growers -- are why, if he doesn't see reforms, he'll be shutting his doors soon.. Climate in poultry houses home > production > husbandry & management > housing & environment > climate in poultry houses broilers in a large tunnel ventilated shed – image provided by the acmf.