The problem of eggs that do not hatch, despite being fertilized, encountered by breeders gave me the idea of this topic.
The importance of the humidity level during egg development and hatching in our rearing rooms pushes us to find solutions to regulate it, especially during dry periods.
I use an ultrasonic humidifier, adjustable and ideal:
I also use, either in parallel with the humidifier or when there is only a need for a small adjustment of the humidity level, a much less expensive solution: Ceramic saturators (around 5 euros per unit in DIY stores) :
I hang them on the oil bath radiator (which dries the air less than electric radiators of the radiant type or commonly called "Toaster").
The principle of evaporation caused by heat from the radiator works well, however it takes about a day to see the effects.
1. What are the causes ?
False moult is not a disease ! It is caused by a sudden change: Light, temperature, draft or stress.
2. The effects of a false moult
The zebrafinch enters a period of out-of-season moulting which will weaken it. To be avoided during breeding or competition period.
The bird victim of a false molt will need a supply of vitamins and minerals to help regrowth of the feathers.
3. A remedy used by breeders
To remedy this false moult, there is a method used by breeders which consists of letting a peeled and cut onion macerate in a liter of water for 3 to 4 days (protected from light).
Then, put a tablespoon of the juice obtained in a liter of water and distribute in the drinking trough for a week, renewing this mixture every day.