Chickens prefer to bathe in sand. Through the sand bath, the chicken body can be kept clean and hygienically, and the chicken body can be robust, which is very conducive to growth and production. The sand in the sand bath should be fine sand.
Assisted chickens love to eat sand. After laying the sand, the chicken can eat the needed sand at any time. It can promote digestion of the stomach and improve the utilization of feed.
In the disease-prevention disease, sand is laid on the hen house and the play field to keep the coop and the activity area dry and keep the air fresh. After the sand has passed the sun, many pathogenic bacteria can lose their vitality, thus reducing the incidence of disease. After the sand bath, the chicken can also kill ectoparasites, so that the nutrients are fully used in fitness and production.
The heat-removable chicken has no sweat glands on its surface, and it is prone to heat stroke in the midsummer. After the chicken house is laid with sanitary sand, the chicken can dissipate the residual heat of the chicken body through contact with the skin and sand, which can effectively prevent heat stroke. The optimum living environment temperature for chickens is 20-25°C, and the optimal ambient temperature for chicken eggs is 13-15°C.
The ability to absorb moisture has the effect of absorbing moisture, so the house can be kept dry and protected from moisture after sanding. The optimum relative humidity for laying hens is 50-55%. When the humidity is lower than 45%, the house dust is flying high and the chickens are prone to respiratory diseases. When the humidity is higher than 72%, the feathers are easily contaminated and adhered, causing some diseases.
It will increase the production of eggs by laying chickens and laying sand, which is 9.6-12.3% higher than that of laying sand without laying sand. After laying and laying layer chickens and feeding sand with a diameter of 0.2-0.3 mm, the laying rate can increase by 9.2%. Egg volume increased by 27.3%, and feed utilization increased by 22.08%.
Precautions
(1) The sand used in the sheds should be clean and replaced in time. The sand that is wet and has chicken droppings must be cleared out in time, exposed to the sun, dried and then removed of chicken waste and other contaminants before they can be reused.
(2) The thickness of bedding sand should be 3-5 cm.
(3) Conditional baths can be built in a corner of the chicken house or on the activity floor. The size of the pool can depend on the number of chickens.
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