Absence of single nucleotide polymorphisms (SNPs) in the open reading frame (ORF) of the prion protein gene (PRNP) in a large sampling of various chicken breeds

Table 3 Haplotype frequencies of two PRNP polymorphisms in 4 chicken breeds

Haplotypes	c.163_180del AACCCAGGGTACCCCCAT	c.268_269ins C	Dekalb White	Ross	Ogolgye	Korean native chickens
ht1	WT	WT	115 (54.2)	184 (92)	167 (83.5)	181 (90.5)
ht2	DEL	WT	93 (43.9)	16 (8)	33 (16.5)	19 (9.5)
ht3	DEL	INS	4 (1.9)	0 (0)	0 (0)	0 (0)
P-value			–	<0.0001	<0.0001	<0.0001
Ref			[21]	This study	This study	This study

ISSN: 1471-2164