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How to pick and preserve eggs in early spring brooding?
One type of egg derived from healthy breeders is the basis for obtaining good quality chicks. The health status of breeders directly affects the quality of eggs and chicks. Only feeding the nutritionally full-priced diets to breeder flocks, timely immunization, and careful management can maintain good breeding conditions and breeding capacity for breeders, and ensure high egg production rates, fertilization rates and hatching rates. The health status of the flock determines the quality of the eggs, which determines the hatching indicators and the quality of the chicks. Two egg choices Even if the eggs produced by a healthy chicken are not suitable for hatching, they should be selected. Eggs should be clean and free from contamination. The eggs should weigh between 52g and 68g, the egg shape index should be between 0.72 and 0.75, and the specific gravity should be around 1.08. The steel preserved eggs, brown preserved eggs, and wrinkled eggs and broken eggs and cracked eggs should be removed. The eggshell color should be Meet the requirements of this species. The 3 kinds of eggs preserved are generally preserved for 5 days to 7 days, preferably not more than one week. In particular, older eggs should be kept as short as possible. Eggs should be kept in an egg bank with insulation and air conditioners, and the temperature inside the room can be adjusted at any time. The temperature is between 13°C and 18°C ​​(short time for upper temperature, longer time for lower limit), and relative humidity between 75% and 80% (which can not only significantly reduce the evaporation of water inside the egg, but also prevent the growth of mold). Keep the egg store well ventilated.