Once daylight hours have increased to about 13 hours per day, your breeding canaries are primed and ready to mate. That means they need a rich diet to prepare them for the extra physical activity and egg production.
Use CanaryAdvisor.com’s “Three Day Breeding Feeding Cycle” for breeding canaries...
On Day one feed ½ boiled egg, on Day 2 feed a piece of apple, and on Day 3 feed greens. Then on Day 4 start over again.
Once the eggs begin to show up, I cut egg feeding down to once per week until the babies hatch out---a diet high in protein during incubation has been known to cause dead-in-shell birds.
When the eggs begin to hatch, feed...
Remember to remove the uneaten soft moist foods within about 4 hours to avoid bacterial problems.
Don’t forget the fresh water.
When I first began I would change the drinking water every two days. I never had any problems but I realize now that it’s best to change the water daily...especially during breeding and rearing of young. Water gets dirty quickly and you don’t want to risk any illnesses.