A 2 × 3 factorial arrangement of treatments was used to study the effects of acidified drinking water (ADW) as 0 or 350mL acidifier/1,000 L with 3 different wheat forms including ground wheat (GW), whole wheat (WW), or pelleted whole wheat (PWW) on growth performance, gizzard and proventriculus development, intestinal morphology, and microbial population of broiler chickens fed pelleted corn-soybean meal-based diets. GW, WW, and PWW were added at 50,100, and 150g/kg of the diet during starter (d 0 to 10), grower (d 10 to 24), and finisher (d 24 to 35) phases, respectively. A total of 300male broiler chickens at 1-d-old were randomly distributed into six treatments of five replicate pens each. During the starter and grower phases, GW inclusion tended to increase feed intake (P < 0.05), while WW improved feed conversion ratio (FCR) during all experimental phases (P < 0.05). Feed intake during the grower phase decreased...

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