Is this goose egg fertilized??

[Stacey30]

I have a goose egg that we are incubating and it looks to me like it’s growing, it’s been about 5-6 days that it’s been in the incubator. Any pointers on what to look for when incubating a goose egg?

 

[Wolfefarmyard]

Yes, it’s definitely developing!
Keep an eye out for a blood ring!