Evaporation Cooling System
with The Addition Capacity of Animal Product
(โรงเรือนระบบปิด กับ การเพิ่มสมรรถภาพ การผลิตสัตว์)
Evaporation Cooling System
Evaporative cooling system (EVAP system) is a closed house with the goal of reducing the temperature inside the house by increasing humidity.
The water is sprayed through the cooling pads on one side of the house. The hot air from the outside is cooled through the honeycomb panels by fans, which are on the opposite side of the honeycomb panels on the other side of the house.
will cause the temperature to drop below the temperature Outside the house about 7
degrees Celsius and to increase the humidity of the air as well. At present, the farm has Use a closed system for all types of animals. From the process of raising the initial stage as well as productive animals, which the use of this system of greenhouses The yield is significantly different from the open house system,
for example in raising chickens in closed system house will use 12-14 birds/square meter But the open-system house only 7-8 birds/square meter. The less food per bird feeder is the closed-system house, equal to 3.62 kg. equal to 3.95 kg. and the number of days raised at 2 kg of chicken weight. 40 days of raising in closed house systems, 47 days of open house in 1 year can raise 6.63 chickens. For pigs,
it can increase efficiency. production as well The average weight of fattening pigs in a closed house system was 135.65 kg/m2. More than a closed system house is 125.12 kg/square meter. Closed greenhouses are an interesting alternative.
For farmers who are raising animals in closed house systems
Thailand is a country in the tropics with relatively high air temperature. Most of the herders Build an open house This is to allow the air in the house to be circulate and drain Air is a good way to reduce heat inside the house. The open house cannot control the temperature.The temperature of The house will vary according to the weather conditions outside the house. summer weather It will be very hot. Some pets, such as broilers,
CHICKATRON 20
may not be able to tolerate hot weather to avoid the heat and require temperature control. of greenhouses, therefore, a closed system of greenhouses has been invented. as well as to increase production capacity Increased in terms of quantity and quality. In addition, a closed system house can be very effective in preventing disease by using the principle of water cooling and using a fan as a ventilation system.
There is a cooling pad that allows water to flow through until it becomes wet. When running the fan, which is in the opposite direction of the honeycomb plate, the outside air is sucked through the plate. honeycomb inside the house The house will be cool by using the principle of evaporation.
Evaporation
However, the Controlling and managing the house for maximum efficiency is difficult. In addition, the farmers themselves are still lacking. cognition Therefore, there should be an education and collect information to help understand and have a house more closed system For details will be presented in the next order. Characteristics and greenhouses with evaporative cooling system
A closed system house with evaporation temperature control for animal husbandry as a house. Picnic animals that use a ventilation system in combination with evaporative cooling. is to bring the principle Tunnel Ventilation Cooling by water evaporation Temperature caused by wind speed (Effective Cooling) and principles of animal husbandry (Animal Husbandry)
used together appropriately to convert heat into latent heat to increase steam to reduce Air temperature from the increase of relative humidity and water vapor in the air to improve the air conditions used. in raising animals according to their type, sex, breed and age to be more comfortable than the natural climate To keep animals healthy, high productivity and economic value Sikan, 2011)
Evaporative cooling system (EVAP system)
Productivity performance of animals raised in closed house systems
Srisuwan (2000) said that the evaporative cooling system for the house The PIC system has many advantages. Compare the benefits of raising chickens in a closed house and Standard open house By comparing the benefits of raising laying hens in a closed house system with different raising capacity. The closed system house has a rate of more than 5 birds/square meter. The temperature of
A closed house has a temperature that is about 7 C lower. When the weight of the chicken is 2 kg.
The closed house house will consume less food about 0.30 kg. The cost of medicine for the closed house house will be less about 0.40 baht. The percentage of chicken dead of the PIC house will be less than about 2%.
Once the chicken weight reaches 2 kg, the picnic house takes approximately 7 days less, and the yearly production cycle of the closed house will produce chickens in the number of cycles per year. greater than approximately 0.75 annual cycles, as shown in
Table 1
In addition, Srisuwan (2000) said that at present, some pig farms have begun to use the system house. Closes mostly fattening pigs and also applies to sows at all stages of production, from the stage of raising pigs.
Young sows in gestation as well as farrowing sows and weaning sows, which is expected to be possible with the use of a picnic house system. The effect on the reproductive performance of sows, in combination with other factors, is an attractive alternative for sows.
Farmers who will raise sows in closed houses and raising fattening pigs in closed house systems will be Better production as in
Table 2.
