English Views: 0 Author: Phoenix Publish Time: 2023-09-19 Origin: Phoenix Breeding Equipment
Temperature control
Temperature is the primary condition for normal growth and development of chicks.Temperature changes should be carried out gradually and steadily according to age and temperature conditions, and must not fluctuate suddenly.
The starting temperature is relatively high and should not be too different from the temperature at which the chicks are hatched. Otherwise, the chicks will not adapt to the condition and will shrink and be reluctant to move, let alone eat, and will not be able to grow normally. Generally, the brooding temperature for 1 to 2-day-old chicks (height of the chicken's back or 5 cm height on the net) is 34-35°C, and the temperature inside the house is 27-29°C.
From now on, the temperature will drop by 3°C every 7 days, until the temperature drops to about 21°C on the 28th day, and this temperature will be maintained thereafter. During the cooling process, balanced cooling must be maintained, and weather conditions must also be considered. Too slow a cooling rate is not conducive to feather growth; too fast a cooling rate is not conducive to the chicks adapting, and the growth rate will be reduced and death will increase.
Whether the brooding temperature is suitable mainly depends on the behavioral performance of the chickens. It cannot rely on temperature measurement alone. It is mainly based on the behavioral performance of the chicks, making appropriate adjustments to ensure that the chicks are warmed.
When the temperature is suitable, the chicks will be lively and energetic, have a brisk cry, have flat and smooth feathers, have a good appetite, drink moderate amounts of water, and have mostly strip-shaped feces. When they rest after a full meal, they will be evenly distributed on the ground (on the net), with their heads and necks stretched out and sleeping soundly. , no strange conditions or restless cries, the chicken coop is quiet.
When the temperature is low, the chicks move slowly, concentrate around the heat source or huddle in a corner, and make "chirping" sounds. They grow slowly and are uneven in size. In severe cases, colds or diarrhea can lead to death.When the temperature is high, the chicks stay away from the heat source, become listless, lie on the ground, spread their wings, and open their mouths to gasp. Drinking a lot of water, loss of appetite, and high temperature can cause heat stroke and cause a large number of chicks to die.
Humidity control
The impact of humidity on broiler production performance is not as great as temperature, but improper humidity control can also have an impact on the health and growth of chickens.
When the humidity in the chicken house is too high, the oxygen concentration in the air drops and the chickens feel stuffy. At the same time, high humidity is also conducive to the growth and reproduction of mold and coccidia, posing a threat to the health of chickens. When the chicken house is too dry, dust is easy to fly and the chickens are prone to respiratory diseases; drinking more water is detrimental to growth and prone to diarrhea and other digestive tract diseases; dehydration is prone to occur, and the chickens' toes are shriveled and their feathers are brittle; being too dry is also not conducive to growth. Timely absorption of egg yolk.
According to the age of broiler chickens, the control of chicken house humidity can be roughly divided into two stages:
1. Before 10 days of age, the chicken house should maintain a high humidity. Generally, the humidity of the chicken house should reach 60%-65%. Chickens before 10 days old have small body weight and little excrement. The chicken house is often too dry and prone to the adverse effects of low humidity.
Commonly used humidification methods are: hanging wet curtains indoors; placing a water dish on the coal stove; placing wet straw handles in the house; spraying water on the walls, etc. For caged chickens, you can put a water tray in the top cage to humidify it, because the higher the temperature, the easier it is to evaporate and humidify!
2. After 10 days of age, the chicken house should be mainly dehumidified. Generally, the humidity of the chicken house is required to reach about 50%. As chickens grow up, their excrement increases, and the chicken house is often moist, prone to the adverse effects of high humidity.
Dehumidification measures include: strengthening ventilation; promptly replacing damp and clumping bedding; using highly hygroscopic bedding; preventing chicken drinking nipple from leaking, etc.
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