unfertilised การใช้

Fertilised eggs are donated from married couples to other married couples, while unfertilised eggs are donated in the context of mut'ah or temporary marriage to the father.
Females can lay both fertilised and unfertilised eggs, with only the fertilised ones producing males, and can also produce two broods during the spring-summer season through parthenogenesis.
Workers can produce sons ( not daughters ) from an unfertilised egg ( see haplodiploid sex-determination system ) but the queen usually prevents this happening by chemical means ( pheremones ).
She tends the eggs by palpating them and turning them over, and gathers and deposits bits of vegetation on which the newly-hatched trophic ( unfertilised ) eggs for their nourishment.
Some birds, especially corvids and parrots, are among the most intelligent animals; several bird species hens, lay eggs even when not fertilised, though unfertilised eggs do not produce offspring.