When the temperature of the incubator rises above the level to which it is previously adjusted, the capsul expands and forces the pus rod upwards and this in turn lifts the damper off the exhaust flue, but as soon as the inside temperature fails below the required point, the damper closes down and all heat goes into the incubator. ✓Arrangement of automatic heat control: The incubator has the heat regulating arrangement. The upper end of the flue is open and a damper remains on it. This hot air maintains the temperature of water in the water chamber. The hot air entered into incubator through the flue. A oil lamp is attached on the beneath of the flue. ✓Flue: Flue remains at the side of the incubator. The heat radiated from water chamber falls on egg and the embryo develops slowly by getting heat. ✓ Hot water chamber: Hot water is kept in chamber of copper or aluminium, which is placed on upper side of the incubator. The insulator preserve the heat inside the incubator have the following compartment:. The wall of the incubator is made with wood, tin or asbestos sheet in such way that there is some space in between them and this space is filled with glass wood or glass fibre. The cabinet of the incubator is made of wood. There are 3 types of incubators which are used for artificial hatching of eggs. But at present the incubator are used for large scale chick production. The local hen are ideal for the purposes. The small poultry farmers generally use the broody hen for hatching the egg. The total production of eggs may be hampered for this.Īrtificial Hatching Of Eggs Or Incubation ✓The hen do not lay egg so long they are engaged in hatching of eggs. This method is not suitable for hatching large number of eggs at a time. ✓The breaking of eggs may occur due to faulty sitting of broody hen. The total number of eggs spoiled in this case. ✓The broody hen sometimes leaves the hatching eggs before the eggs are hatched. ✓The broody hen will take care newly hatched chicks if they are left to them. ✓There is no need of any implements for hatching of egg by this method. ✓Natural hatching is profitable for hatching small number of eggs. The temporary changes from the cramped position is good for the hen and the exposure to the air gently benefits the eggs The hen should be taken out at least twice a day for about 30 minutes to feed and watered. Sloppy foods of all description should be avoided, as they tend to produce loose droppings and consequently soiling of eggs. The sitting birds should receive clear water, twice daily and adequate amount of whole grains and lime stone grits. The ordinary hen will only cover eight to nine eggs. ✓Number of eggs under a henĭepending on the size of hen, 10 -15 eggs can be placed under one bird. Besides, when eggs are put under the hens at night the chicken are more likely to appear on the night of 21st day and will have the whole night to rest and gain strength. The best time to set hen is at a night as at this time she more likely to settle down to her job. A further dusting ten days later will ensure Its complete freedom from lice and ticks. The hen should be thoroughly dusted with a good insecticide, such as INIMMegeol or sodium fluoride. The hen must be in petted health end have all the feather on her. The hen should be thoroughly broody and she may be tested with the help of dummy eggs for her Interest to site on the eggs. The local hen is ideal for hatching chickens as she is a dose sitter and outing to her light weight there is little possibility of egg being broken. Some of the management works are discussed below:. We should properly care and manage hatching eggs in order to get quality eggs and make profit. This method is still popular with small Poultry keepers in remote rural areas of many parts of the world. Natural hatching or hatching of egg by hen is primitive but most effective method to get high Percentage of success. There are 2 methods of hatching in Poultry eggs. In this blog we are going to dicuss Hatching Of Poultry Eggs-Natural Vs Artificial Incubation in detail along with their advantages and disadvantages. The fertile egg provides food to developing embryo. The development of embryo in mammals takes place in mother’s womb whereas the embryonic development of poultry bird takes place outside the mother’s womb i.e. Hatching can be defined as the process by which a germ cell in egg is developed into a chick within 21 days which later develops into a adult hen or rooster. Fertile eggs are also called as hatching eggs. Eggs are of 2 types:- First is egg for consumption and Second one is egg for producing chicks i.e fertile eggs.
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