Winnowing machines; plucking apparatus for fowls; automatic feeders for birds and animals; fodder presses; incubators; incubators for eggs; incubators incorporating alarms, thermostats, humidity control apparatus, temperature control apparatus and digital control apparatus; poultry incubators; incubators for birds; brooders; chick brooders; poultry brooders; machines, machine tools, apparatus and equipment for aviculture; chicken sex discriminators; cocoon drying machines; silkworm sex discriminators; silkworm egg washing machines; silkworm egg containers (parts of egg incubators); mechanical salt water selectors for silkworm eggs; hydro-chloridizing machines for silkworm eggs; silkworm rearing nets (parts of egg incubators); parts, fittings and accessories for all the aforesaid goods