RATSCHOW, Jens-Peter. Trends in der Mastschweinehaltung. agricultural engineering.eu, [S. l.], v. 55, n. 6, p. 408–409, 2000. DOI: 10.15150/lt.2000.1980. Disponível em: https://www.agricultural-engineering.eu/landtechnik/article/view/2000-55-6-408-409. Acesso em: 3 mai. 2024.