The floor-raising cage system is an advanced pig-rearing method widely used abroad, offering numerous benefits. First, it allows for effective temperature and humidity control through heating and ventilation systems, enabling the cages to stay warm in winter and cool in summer, which supports optimal pig growth and development. Second, this system improves feed efficiency by using automatic drinkers and feeding containers, allowing pigs to eat freely. Waste falls through the cage to the ground, reducing contamination of the feed and maintaining cleanliness inside the cage. Third, it makes monitoring and management easier for farmers. Fourth, it helps in disease prevention and treatment by keeping the environment clean. Lastly, it increases barn space utilization and reduces labor requirements. With each pig having about 5 square meters of space, a single pen can house 8 to 10 pigs, and a farmer can efficiently manage up to 400 to 500 pigs.
The design of the cage system includes a total area of 60 square meters per pig house, with two rows of cages, each containing three tiers. Each individual pig pen measures 5.2 square meters and is equipped with a 250-watt infrared heat lamp, a duckbill-type waterer positioned 20 cm above the cage floor, and a 30 cm height for better accessibility. The automatic feeding system is made from 23mm angle steel and galvanized iron sheets, featuring a wide feed inlet that is high at the front and low at the back, making it easy to fill. A swinging feeder is also installed; when pigs approach, they trigger the pendulum, releasing feed automatically.
According to experimental data, only 2.1 kg of feed is needed to produce 1 kg of weight gain, showing high feed conversion efficiency. However, due to the limited space in the cages, pigs do not have access to outdoor areas. Therefore, it's recommended to keep them in the cages for no longer than 80 to 90 days or until they reach 50 kg, as prolonged confinement may lead to limb deformities. This system represents a modern, efficient, and hygienic approach to pig farming, combining technology with practical animal care.
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