That unpredictable blue factor. Which colored canary breeder does not know this factor? Who doesn't work with it, who isn't confronted with it, who doesn't use it? In short: this is a factor that many growers would like to use, but that others would rather lose than gain. It is very difficult to pin down the gradations of this factor — it remains very unpredictable. Although I must admit that there are growers who have excellent control over it and know how to breed it at the right value. The blue factor. Also called lemon factor, or simply the blue factor.
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