Sheep and goat farming can be done to some extent in closed sheds, such as poultry farms. Due to the closed environment, we have a closed ecosystem whose parameters can be controlled with an automated system; however, along with the system, human resources are also required.
1. Ventilation
Ventilation is one of the most important parts of raising sheep and goats in a closed barn, as its role in removing ammonia and carbon dioxide and moving air is very effective. Since these animals are sensitive to drafts, we must determine the number of fans and then the number of inlets and plan the ventilation system accordingly.
2. Temperature
Sheep are more sensitive to high ambient temperatures, wind chills, and humidity; however, goats are more sensitive to cold due to their hair and fur covering their bodies, and they need temperatures between 12-21 degrees and can tolerate temperatures as low as -17 degrees; therefore, to prevent heat stress, ventilation and fogging systems should be used in indoor breeding halls.
3. Humidity
One of the factors that can make breathing easier for livestock is the humidity level in the barn. Humidity makes livestock breathe easier, and the appropriate level should be between 25%-70%. The most important factors that affect humidity levels are when fans are turned on and off, when foggers are operating, and the temperature of the barn.
4. Ammonia and CO2 control
Ammonia from feces and carbon dioxide from breathing are too dangerous and should be removed in ventilation and replaced with fresh, oxygen-rich air. The normal level of ammonia should not exceed 20 ppm because it can cause disease and reduce livestock production.
5. Light
Light is one of the requirements for animal comfort and can play a significant role in reducing vascular and cardiac problems and production efficiency; of course, it would be better if sunlight could be used during the day and 100-watt lamps could be used for every 46 square meters at dusk; although this requires that the light intensity be such that artificial light is not needed inside the pen during the day, otherwise artificial lamps must be used all day long, which can be controlled by automatic programming.