Dr. Lilong Chai
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Author: Dr. Lilong Chai, Assistant Professor & Poultry Engineering Specialist Importance of Layer Manure Drying A layer house with 100,000 hens produces 1,500 to 2,000 tons of manure every year. Fresh layer manure contains about 75% moisture that must be reduced prior to storage and land application. High moisture manure can lead to higher transport…
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Dr. Lilong Chai, UGA Poultry Engineering Specialist Heat Stress in Laying Hens Heat stress is one of the primary concerns for laying hen production in the summer as heat waves may significantly increase flock mortality and reduce egg production in hen houses. The use of mechanical ventilation and cooling cells are popular cooling methods used…
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Cage-free production and floor egg issues Poultry production (meat and eggs) provides cost efficient protein for human beings. Currently the U.S. is the world’s largest broiler producer (41 Billion lbs. in 2017) and the world’s 2nd largest egg producer (105 Billion table eggs in 2017). However, the U.S. egg industry is facing a number of…
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PDF Version Cage-free henhouse and dust Concerns over animal welfare have led to pledges of sourcing only cage-free eggs by many U.S. food retailers and restaurants such as Walmart and McDonald’s by 2025 or 2030. According to the current number of pledges, it would take more than 70% of the current US layer inventory to…