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The chicken embryo is a unique model that overcomes many limitations to studying the biology of cancer in vivo. The chorioallantoic membrane (CAM), a well-vascularized extra-embryonic tissue located underneath the eggshell, has a successful history as a biological platform for the molecular analysis of cancer including viral oncogenesis, [8] carcinogenesis, [9] tumor xenografting, [1] [10] [11 ...
Gallus gallus domesticus The Brahma is an American breed of chicken . It is believed that it was first bred in the United States from birds imported from the Chinese port of Shanghai , [ 4 ] : 78 and was the principal American meat breed from the 1850s until about 1930.
Gallus gallus domesticus The Leghorn , [ a ] Italian : Livorno or Livornese , is a breed of chicken originating in Tuscany , in central Italy. Birds were first exported to North America in 1828 from the Tuscan port city of Livorno , [ 6 ] on the western coast of Italy.
Breed broiler is any chicken (Gallus gallus domesticus) that is bred and raised specifically for meat production. [1] Most commercial broilers reach slaughter weight between four [2] and six weeks of age, although slower growing breeds reach slaughter weight at approximately 14 weeks of age. Typical broilers have white feathers and yellowish skin.
Gallus gallus domesticus The Norfolk Grey is a utility breed of chicken that originated near the city of Norwich , in Norfolk , England, in around 1910. The breed was originally created by Frederick W Myhill of Hethel, Wymondham under the name Black Maria .
Chicken and duck eggs on sale in Hong Kong. Poultry is the second most widely eaten type of meat in the world, accounting for about 30% of total meat production worldwide compared to pork at 38%. Sixteen billion birds are raised annually for consumption, more than half of these in industrialised, factory-like production units. [58]
Gallus gallus domesticus The ISA Brown is a crossbreed of chicken , with sex-linked coloration . It is thought to have been the result of a complex series of crosses including but not limited to Rhode Island Reds and Rhode Island Whites , and contains genes from a wide range of breeds, the list of which is a closely guarded secret. [ 1 ]
Gallus gallus domesticus The Malines , Dutch : Mechelse Koekoek , is a Belgian breed of large domestic chicken . It originates from the area of Mechelen ( French : Malines ), in the province of Antwerp in Flanders , for which it is named.