Each egg is laid at 2 to 3 day intervals.

Calves are born at an interval of 479 33 days.

Construction takes around one week, and there may be an interval of up to another seven days before eggs are laid.

The eggs are generally laid in the morning with an interval of 2-3 days between each egg.

Four additional doses are then given at 14 day intervals following transplantation.

After the interval of four days there was a good deal of disagreement.

All subjects performed the experiment twice, separated by an interval of between three and five days.

Subtraction yielded an interval of twenty weeks and three days.

Normally a female lays eggs repeatedly at 6-9 day intervals and about 10 times in a season.

If there is more than one egg, hatching occurs at 5 day intervals.