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2. Chronic egg laying - Wikipedia

   en.wikipedia.org/wiki/Chronic_egg_laying

   While a single specific cause is unknown, chronic egg laying is believed to be triggered by hormonal imbalances influenced by a series of external factors. [1] As in the domestic chicken, female parrots are capable of producing eggs without the involvement of a male – it is a biological process that may be triggered by environmental cues such as day length (days becoming longer, indicating ...

3. Egg incubation - Wikipedia

   en.wikipedia.org/wiki/Egg_incubation

   The only living mammals that lay eggs are echidnas and platypuses. In the latter, the eggs develop in utero for about 28 days, with only about 10 days of external incubation (in contrast to a chicken egg, which spends about one day in tract and 21 days externally). [11] After laying her eggs, the female curls around them.

4. Broodiness - Wikipedia

   en.wikipedia.org/wiki/Broodiness

   In heavy breeds of chickens, warm weather tends to bring about broodiness. [8] Removing eggs each day, out of the sight of the hens, helps avoid broodiness not only in domestic poultry but also in some wild species in captivity. This continued egg laying means more eggs are laid than would occur under natural conditions.

5. Cannibalism in poultry - Wikipedia

   en.wikipedia.org/wiki/Cannibalism_in_poultry

   Cannibalism in poultry is the act of one individual of a poultry species consuming all or part of another individual of the same species as food. It commonly occurs in flocks of domestic hens reared for egg production, although it can also occur in domestic turkeys , pheasants and other poultry species. [ 1 ]

6. Dominance hierarchy - Wikipedia

   en.wikipedia.org/wiki/Dominance_hierarchy

   For example, the blue-footed booby brood of two chicks always has a dominance hierarchy due to the asynchronous hatching of the eggs. One egg is laid four days before the other, and incubation starts immediately after laying, so the elder chick is hatched four days before the younger chick and has a four-day head start on growth.

7. FACT FOCUS: Egg shortage breeds chicken-feed conspiracies - AOL

   www.aol.com/news/fact-focus-egg-shortage-breeds...

   FILE - Eggs are displayed on store shelves at a local grocery store in Chandler, Ariz., Jan. 21, 2023. Amid soaring egg prices, social media users are claiming that common chicken feed products ...