His approach is defined by a sensitive handling of rural subjects, from riverbanks to domestic livestock. In works like Ox and Three Sheep or the Virgin with the Monkey, Dujardin avoids dramatic Romanticism in favour of a direct, observational style. He uses fine lines to build volume, capturing the texture of wool or the stillness of water. His ability to reproduce the specific brushwork of other artists shows a technical versatility that was highly valued in the 1850s.

Modern collectors value these prints for their graphic clarity and honest portrayal of the French countryside. These works provide a sense of calm, making them suitable for contemporary living spaces that favour a minimalist aesthetic. Because his engravings were intended for reproduction, they possess a clean, defined quality that remains sharp today. They offer a historical connection to the roots of naturalism without the visual clutter of more ornate Victorian styles.