Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
Generally, laboratory mice become sexually mature between fi ve and eight weeks of age. Males of most. strains usually mature sexually by six weeks of age. DBA/2J (000671) and C3H/HeJ (000659) mice are precocious: females can. conceive when they are as young as 23 days old.
(see Precious) âº Mating: Swans begin to breed between 3 and 4 years of age. It s a special treat to see swan mates displaying during the mating season, gracefully touching bill-to-bill and breast-to-breast until a perfect heart shape is formed, or gently intertwining their necks.