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Table 3 Changes in duodenal morphometric parameters following short term exposure to bacitracin methylene disalicylate

From: Effects of bacitracin methylene disalicylate and diet change on gastrointestinal integrity and endotoxin permeability in the duodenum of broiler chicken

  Unit N LSMean SEM P value
Villus height 0.049
 BMDa µm 16 2018.6x 49.5  
 ABF µm 16 2162.8y 49.5
Crypt depth 0.746
 BMD µm 16 384.8 15.3  
 ABF µm 16 391.9 15.3
Ratio 0.339
 BMD µm/µm 16 5.6 0.2  
 ABF µm/µm 16 6.0 0.2
Muscularis thickness 0.348
 BMD µm 16 193.6 8.7  
 ABF µm 16 205.3 8.7
Total thickness 0.130
 BMD µm 16 2498.4 70.2  
 ABF µm 16 2653.1 70.2
  1. BMD broilers that received feed with 50 g/ton of bacitracin methylene disalicylate beginning at 31 days post hatch, ABF treatment group where broilers received no bacitracin methylene disalicylate; Ratio, villus height to crypt depth ratio; Total thickness, villus height + crypt depth + muscularis depth
  2. aData were similar for day and the interaction of day and BMD treatment; therefore, data shown are for differences in BMD dietary treatment where data from day 3 and 7 are combined
  3. xyzchanges in superscript within row indicate differences between pairwise comparisons after Tukey’s post hoc adjustment (P < 0.05)