Table 2.

The concentrations of DNA, RNA, and proteins in the breast muscle of broilers (n = 10)

Item	H	M	L	SEM	P-value
DNA, mg/g	1.68b	2.02a	2.06a	0.07	0.044
RNA, mg/g	3.04a	2.97a	2.14b	0.11	0.036
Protein, mg/g	86.32	88.65	84.97	2.54	0.661
Protein:DNA	49.52a	43.87ab	39.71b	1.61	0.049
RNA:Protein	0.035	0.033	0.025	0.003	0.086
RNA:DNA	1.81a	1.47b	1.06c	0.08	0.006

^a-cMeans in the same row with different superscript letters differ significantly (P < 0.05)

H = fast-growing broilers (heavy BW group); M = medium-growing broilers (average BW group); L = slow-growing broilers (low BW group)