Search results
Results from the WOW.Com Content Network
The Ameraucana is one of the few chicken breeds to lay blue eggs. [7]: 11 It shows many similarities to the Araucana, including the pea comb and the blue egg gene.It is tailed, muffed and bearded, whereas the Araucana in the United States has ear tufts and is rumpless. [8]
The chicken breeds recognized by the American Poultry Association are listed in the American Standard of Perfection. They are categorized into classes: standard-sized breeds are grouped by type or by place of origin, while bantam breeds are classified according to type or physical characteristics .
Sex-linked dwarfism in chickens is a form of growth hormone resistance that resembles the Laron syndrome in humans, characterized by reductions in stature and plasma insulin-like growth factor-I (IGF-I) levels. [19] Variants in chicken growth hormone receptor (GHR) gene lead to sex-linked dwarf chickens, but effects of different variants are ...
The early history of the Araucana is not documented. The birds were commonly seen in South America in the early twentieth century. [5]: 16 The Spanish aviculturist Salvador Castelló, who visited Chile in 1914, saw them and named them "Gallina Araucana", as many were found among the Mapuche people of the Araucanía region of Chile, whom the Spanish called Araucanos.
This is a list of chicken breeds usually considered to originate in Canada and the United States. [ 1 ] [ 2 ] Some may have complex or obscure histories, so inclusion here does not necessarily imply that a breed is predominantly or exclusively from those countries.
In American usage, an Easter egger or Easter-egger is any hybrid or mixed-breed chicken resulting from the breeding of a bird carrying the blue egg (oocyan) gene with one that lays brown eggs. Eggs from such a bird may be any shade of blue or brown, [ 1 ] : 175 or occasionally pink or pale yellow. [ 2 ]
It is crafted with 100% farm-raised chicken, delivering high-quality protein that helps build strong muscles while the healthy carbohydrates present provide energy to your feline.
One indication of the effect of broilers' rapid growth rate on welfare is a comparison of the usual mortality rate for standard broiler chickens (1% per week) with that for slower-growing broiler chickens (0.25% per week) and with young laying hens (0.14% per week); the mortality rate of the fast-growing broilers is seven times the rate of ...