Two days old to maybe two weeks old, of some birds or strains only. At about five weeks to about six weeks, although this age is variable but can be only a window of opportunity, the slightly brighter red and larger comb on the cockerels is obvious compared to the pullets. At about four months old, cockerels are usually well-feathered but not always; their combs again become brighter red and slightly larger than the pullet. The South Indian varieties, such as the Malay and the Madras Asil, show triple pea combs and walnut combs. At the beginning of this stage, cockerels can almost be mistaken as mature hens; however, hens have duller, more rounded feathers and their combs are pale, even yellowish at this age.
‘. These are called secondary sexual characteristic feathers and have a glossy sheen to them, the saddle and hackle being pointed. For example, if one mates a Columbian rooster to a cuckoo hen, then one should be able to follow the rules of sex-linked breeding, the cockerels being cuckoo black chicks with a white dot on their head and the pullets being black. However, the purpose for doing this would be for discarding the roosters at hatching and rearing the pullets for egg-laying or for those who cannot keep a rooster but would like to rear Pekin bantam chicks. Cockerels, in Pekin bantams, from an early age up until the hens begin to lay, tend to respond to human attention more positively than their sisters.
These cockerel feathers are not found in their sisters and come through in a more spiky-looking way. Very good black hens must have a shiny beetle green sheen to them but do not develop the sickle or pointed feathers but still appear quite shiny. 15. A rooster with a large feather in the middle at the back of the ass the heart-shaped structure where the tail feathers are attached. With this point of view, you can get a rooster tattoo, meaning that it will always protect you on the high seas of life. Most of the resultant chicks will not produce the color characters desired for showing or breeding show birds or, sabung ayam s128 for that matter doing the same sex-linked gene cross again.