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

Table 7

Effect of zinc oxide nanoparticles (ZnO NPs) on duodenum morphology of broilers 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
VH (μm)	757.44^b	894.68^a	915.74^a	902.72^a	915.50^a	<0.0001
CV (μm)	150.92	151.72	143.69	153.84	146.41	0.281
V/C	5.01^b	5.92^a	6.37^a	5.88^a	6.25^a	0.004

^a,b,cMeans in the same column differ significantly (). VH: villus height; CV: crypt depth.