Robusta maculata male (UniPD)
Robusta maculata female (UniPD)
Pictures from the archives of Prof. Gabriele Baldan and Prof. Massimo De Marchi.
Qualitative morphological traits
Feather morphology: Normal
Feather distribution: Normal
Plumage structure: Soft, abundant
Plumage colours: White plumage with black spots
Colour features: Bi-colour, with sexual dimorphism
Colour pattern: In the male, neck hackle white/silver with black feathers with black striping; rest of plumage silver with irregular black spots; primaries, main tail feathers and sickle feathers black with beetle-green sheen. In the female, white/silver plumage with large deep grey/black spots, irregularly spread on the body.
Chick plumage colour: Dark down with little light yellow spots, yellow belly down, brown spot on the head
Comb type: Single comb, upright, well developed
Comb spikes: Five to six spikes
Ear-lobe colour: Red
Beak colour: Yellow
Iris colour: Orange to red
Skin colour: Yellow
Shank colour: Yellow
Shank feathering: Free from feathers
Quantitative morphological traits
Reproductive and productive quantitative traits
Oviposition, brooding and incubation data
Egg-quality traits
Reproductive traits
Slaughter data (age: 24 weeks)
Rearing traits
