extremely significantp < 0.01
The four immune parameters were significantly higher in the multiple-crested-cushion group than in the single-crested-cushion group, and the difference was extremely significant ( p < 0.01).
The four immune parameters were significantly higher in the multiple-crested-cushion group than in the single-crested-cushion group, and the difference was extremely significant ( p < 0.01).
Another highly significant difference was the distance of the crest cushions from the mouth, which was closer in ducks with multiple crested cushions.