Effect of Zinc Oxide Nanoparticles in Drinking Water on Growth Rate, Biochemical Parameters, and Intestinal Histology of Broilers

Table 2

Effect of zinc oxide nanoparticles (ZnO NPs) on broiler production at 42 days of age.

Items	Groups					p value
	Control NDW	NDW with 60 ppm/L	NDW with 80 ppm/L	NDW with 100 ppm/L	NDW with 120 ppm/L
		ZnO NP	ZnO NP	ZnO NP	ZnO NP
IBW	42.40	42.70	41.77	42.84	41.74	0.722
TBW	2224.83^b	2467.29^a	2461.85^a	2518.88^a	2472.08^a	0.006
TBWG	2182.43^b	2424.58^a	2420.08^a	2476.04^a	2430.34^a	0.006
TFI	4388.36^a	4043.71^c	4204.63^ab	4364.44^a	4147.00^b	0.005
TFCR	2.01^a	1.65^c	1.73^a	1.76^a	1.70^b	0.002

^a,b,cMeans in the same column differ significantly (). IBW = initial body weight, TBW = total body weight, TBWG = total body weight gain, TFI = total feed intake, TFCR = total feed convenes ratio, andNDW = normal drinking water.