(of an organism or tissue) living in the absence of air or free oxygen. pertaining to or caused by the absence of oxygen.
Parakeets can breed year round if conditions are right in their environment. Normal breeding season begins early in the year and continues until fall. It is very rare to see parakeets mating, but a male and a female must mate to keep the eggs fertile.
By Jeannie Kerns. Taking care of parakeets does not take much effort. The parakeet will begin to lay eggs one to two days after the mating process. Female parakeets will lay an egg every second day and there will be approximately four to seven of them. Baby parakeets will begin hatching after 22 to 30 days gestation.