Versele Laga - HandmixOrlux Handmix is an ideal hand rearing food for all kinds of young birds. Handmix is extremely suitable for supplementary feeding of small birds in the nest and for handrearing exhibition birds and psittacines. USE: Mix the powder with tepid water. According to the age of the bird, the mixture has to be more or less liquid. Administer the mixture until the crop is filled, but not blown like a balloon.