highly significantp < 0.001
Upper beak length exhibited a significant ( p < 0.01) increase in both treatment groups, while lower beak length showed a highly significant ( p < 0.001) increase in the Vit B12 group compared to the Pb group.
Upper beak length exhibited a significant ( p < 0.01) increase in both treatment groups, while lower beak length showed a highly significant ( p < 0.001) increase in the Vit B12 group compared to the Pb group.