The practice of hatching eggs without the use of an incubator or a mother hen is often referred to as “natural open hatching” or “free-range hatching.” This method leverages environmental conditions to incubate the eggs, often relying on environmental controlled house with the optimum temperaturesnd humidity. It is gaining popularity in some regions, particularly in Asia, due to its cost-effectiveness and minimal technological requirements. This method can be seen as part of a broader trend towa

"I Hatched an Egg" 1966 Soviet Cartoon

From crossing to hatching eggs full informative video | Chickens hatching from eggs