In recent years, the scale of artificial breeding has developed rapidly. However, how to increase the artificial hatching rate of quail eggs is a problem faced by a large number of specialized breeding families. To do a good job of artificial hatching and increase the hatching rate of quail eggs, we must do "three controls and one defense."
First, the appropriate temperature for temperature-control eggs hatching is 22 °C ~ 37 °C, the optimum temperature is 28 °C ~ 35 °C. 38 °C is a critical high temperature, more than 38 °C will cause the death of all embryos; critical low temperature is 22 °C, below 22 °C when the embryonic development stops. The best temperature control during incubation is between 30°C and 35°C. In addition, the number of days required for hatching is related to the temperature. The accumulated temperature of incubation (incubation temperature incubation time) is generally at 36000 degrees. In the optimum temperature range, the higher the temperature, the shorter the incubation time. During incubation, the temperature should be stable and the temperature difference should not exceed 3°C. It is best to use a hothouse during hatching, or you can install a few high power bulbs indoors to adjust the room temperature and maintain the optimum temperature for hatching.
Second, the control of humidity, embryonic development must have a sand table containing a certain amount of water as a hatching bed, the embryo can develop normally. The moisture content of sand is preferably 7% to 8%, and the relative humidity is 81% to 82%. Therefore, sand beds should be kept moist all the time. When the surface of the sand bed is dry, it should be sprinkled, but the watering should not be excessive. The quail eggs are resistant to low humidity and weak in high humidity resistance. The optimal humidity standard is that the hand grips the sand without water and does not form a mass, but it is good for one touch.
Third, to control the thickness of sand coated eggs, the thickness of eggs covered with sand also directly affect the hatching rate of eggs. When laying quail eggs, first lay 2cm to 3cm thick sand on the bottom of the incubator. The distance between the eggs and the eggs is about 1cm. Place 2 to 3 layers, 1cm between each layer. ~ 2 cm thick sand, the top layer of sand and clay 3 cm to 4 cm. This treatment facilitates the control of temperature and humidity and is conducive to hatching eggs.
Fourth, to prevent human interference and the destruction of predators in the hatching of eggs, should maintain a quiet environment. Cockroach eggs are sensitive to vibrations 30 days before their hatching and are prone to necrosis, so do not turn the eggs during this time. In addition, during the incubation, snakes and rats must be prevented from invading, so that snakes, rats, etc. can eat eggs. When the oysters break out of the shell, the odor is extremely strong, it is easy to attract ants, and there is a danger of being killed or torn away by ants. So prevent ants from entering the hatchery.
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