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2. Egg incubation - Wikipedia

   en.wikipedia.org/wiki/Egg_incubation

   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. The incubation period is divided into three phases.

3. Incubator (egg) - Wikipedia

   en.wikipedia.org/wiki/Incubator_(egg)

   An incubator is a device simulating avian incubation by keeping eggs warm at a particular temperature range and in the correct humidity with a turning mechanism to hatch them. The common names of the incubator in other terms include breeding / hatching machines or hatchers , setters , and egg breeding / equipment .

4. In-ovo sexing - Wikipedia

   en.wikipedia.org/wiki/In-ovo_sexing

   By January 2020, In Ovo was capable of sexing 1,500 eggs an hour (0.42 per second), but the Dutch poultry sector required 40,000 eggs an hour, so further innovation was necessary. [36] In Ovo received millions of euros in research investments, mostly from German chemicals company Evonik, Singaporese venture capital company Visvires New Protein ...

5. Chicken as biological research model - Wikipedia

   en.wikipedia.org/wiki/Chicken_as_biological...

   The chicken embryo is a unique model that overcomes many limitations to studying the biology of cancer in vivo. The chorioallantoic membrane (CAM), a well-vascularized extra-embryonic tissue located underneath the eggshell, has a successful history as a biological platform for the molecular analysis of cancer including viral oncogenesis, [8] carcinogenesis, [9] tumor xenografting, [1] [10] [11 ...

6. Oviparity - Wikipedia

   en.wikipedia.org/wiki/Oviparity

   Eggs of various animals (mainly birds) Oviparous animals are animals that reproduce by depositing fertilized zygotes outside the body (known as laying or spawning) in metabolically independent incubation organs known as eggs, which nurture the embryo into moving offsprings known as hatchlings with little or no embryonic development within the mother.

7. Incubator (culture) - Wikipedia

   en.wikipedia.org/wiki/Incubator_(culture)

   From aiding in hatching chicken eggs to enabling scientists to understand and develop vaccines for deadly viruses, the laboratory incubator has seen numerous applications over the years it has been in use. The incubator has also provided a foundation for medical advances and experimental work in cellular and molecular biology.

8. Chick culling - Wikipedia

   en.wikipedia.org/wiki/Chick_culling

   Several technologies may obviate chick culling by determining the sex of a chick before hatching. Some of these technologies rely on measuring eggs (through spectroscopy, chemical assays, or imaging); they can determine a chick's sex within 3-13 days of incubation. [53] [54] Some methods require genetic engineering to make male eggs fluorescent ...

9. Temperature-dependent sex determination - Wikipedia

   en.wikipedia.org/wiki/Temperature-dependent_sex...

   Some reptiles use incubation temperatures to determine sex. In some species, this follows the pattern that eggs in extremely high or low temperatures become female and eggs in medium temperatures become male. [14] Within the mechanism, two distinct patterns have been discovered and named Pattern I and Pattern II.