Which of the following statement is true?
(a) The most common and commercially farmed birds are chicken, ducks, goose, patridges, Guinea fowl, Emu, etc.
(b) Broiler type chicken are well known for its slow growth and hard quality of meat
(c) Aseel hens are good egg layers, but are not good in incubation of eggs
(d) Silkies are well recognized for its majestic look and fighting qualities.
