L. Ollivier (1982). Genetic Determination of Muscular Hypertrophy in the Pig. In: J.W. King, F. Ménissier (editors) (1982). Muscle Hypertrophy of Genetic Origin and its use to Improve Beef Production: A Seminar in the CEC Programme of Coordination of Research on Beef Production held in Toulouse, France, June 1–12, 1980. Dordrecht: Springer Netherlands. ISBN9789400975507.
Breed data sheet: Piétrain / Belgium (Pig). Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed March 2023.
dadis-transboundary-ext-ws.web.app
Transboundary breed: Pietrain. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed March 2023.