(1) After the egg hatches to the 19th day, the temperature is particularly strong. Always check the temperature inside the hatching machine to prevent overheating. When the tendency of overheating is found, immediately open the door and make it redundant. Disperse. (2) The chicks have begun to breathe lungs just before hatching, and the amount of oxygen required has increased greatly. Therefore, it is necessary to keep enough fresh air in the hatching machine. When the temperature is relatively high, special attention must be paid to it. (3) The shells left by the hatching of chicks should be promptly cut off. If they are not picked up in time, the shells are likely to be placed on the outside of other embryos to affect the shells. (4) Artificial midwifery is a measure that should be promoted, but the time must be mastered. It must wait until the color of the shell membrane turns yellow, indicating that the allantoic blood vessels have dried up before they can proceed. The time of midwifery is not properly controlled and is performed prematurely. The allantoic blood vessels have not yet dried up. At this time, the egg shells are forcibly stripped and the blood vessels are broken, causing massive bleeding, which is detrimental to the benefit. (5) The bamboo baskets containing the chicks in the hatchery shall be brushed in advance and litter be prepared. When the weather is cold, the quilts and blankets covering the chicks should be prepared in advance. (6) After the chicks have hatched, wait until the feathers are completely dry. Then put the chicks out of the hatching box and place them in baskets. Place 100 chicks per basket (when hot) or 150 (when cold). (7) Two baskets of chicks can be stacked together in the cold weather. The bottom basket should put more chicks (150-180 pieces) on the upper layer, and less (120-150 pieces) on the upper layer. Similarly, when the number of chickens is more, three baskets can be stacked together to cover the surrounding quilts and inspected every 2 hours to prevent cold or heat, and attention should be paid to basket adjustment or addition and subtraction of coverings. The inspection found that the chicks were piled together and crowded together. This was a low temperature and cold performance. (8) When the weather is hot, put 100 chicks per basket. Place the baskets on the ground and lay them on the ground according to the natural degree. Do not cover them. Do not cover them together. If the place is small, there are many chicks. When the two can not be stacked together, they should be diligently checked and the baskets should be adjusted to prevent the chicks from being heated. It is found that the chicken's open mouth breathing, that is, the performance of heat, high temperature, should be immediately dispersed and not put on the wind blowing on the wind, so that the chicks are quenched by heat, easy to get sick. (9) After the end of the mountain-chicken, a hatching machine, a hatching tray, and a water tray should be cleaned and disinfected, and the air inside the machine must be removed to keep the air inside the hatching machine fresh. China Agricultural Network Editor
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