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

Table 1

Effect of zinc oxide nanoparticles (ZnO NPs) on broiler production at 35 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	1655.05^b	1760.36^a	1706.54^ab	1719.02^ab	1735.56^a	0.049
TBWG	1612.64^b	1717.65^a	1664.76^ab	1676.18^ab	1693.82^a	0.051
TFI	3191.25^a	2938.02^b	3180.63^a	3185.31^a	3002.66^b	<0.0001
TFCR	1.98^a	1.71^c	1.91^a	1.90^a	1.89^b	0.001

^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 conversion ratio, and NDW = normal drinking water.