Looking for a six digit code from this puzzle

[Bigus8dikus]

There were six birds (one female and five males).
The female made eight eggs, three eggs were female and one egg was male.
The three female birds made eight eggs each for a period of three years.
Can you find the answer that is hidden?

[S_C]

mortality rate for the eggs is 50% ???

only 4 of the eggs that the first female layed survived to make birds