Article
Blood ring: an early embryonic lethal condition in chickens.
The Journal of heredity - 1 Jan 2000
Savage T F, DeFrank M P, Brean S E
Abstract excerpt
Blood ring describes a lethal embryonic condition in chickens that is expressed between 48 and 66 h of incubation. The condition is characterized by the presence of uncoalesced blood islands, the absence of vitelline arteries, and a sinus terminalis engorged with erythrocytes. The disorder is inherited as an autosomal recessive trait. The recessive gene has been detected in three commercial populations of...
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