ðɪ ˌɪŋkjuːbˈeɪʃən pˈiəɹɪəd ɪz dᵻpˈɛndənt ˌɔn tˈɛmpɹɪtʃɚ ænd ɪz bᵻtwˌiːn twˈɛnti fˈaɪv dˈeɪz æt twˈɛnti tˈuː dᵻɡɹˈiːz sˈiː ænd fˈoːɹɾi fˈaɪv dˈeɪz æt twˈɛlv tə fˈoːɹtiːn dᵻɡɹˈiːz sˈiː.
The incubation period is dependent on temperature and is between 25 days (at 22 °C) and 45 days (at 12 to 14 °C).