by Inzaghi, Virginia, Zucali, Maddalena, Thompson, Paul D., Penry, John F., Reinemann, Douglas J.
Published in Italian journal of animal science (01.01.2021)

by Penry, John F
Published in The Veterinary clinics of North America. Food animal practice (01.11.2018)

by Thompson, Paul D., Dzidic, Alen, Mein, Graeme A., Penry, John F., Sanford, Scott A., Reinemann, Douglas J.
Published in Journal of dairy science (01.02.2021)

by Upton, John, Reinemann, Douglas J., Penry, John F., Thompson, Paul D.
Published in Biosystems engineering (01.07.2016)

by Morton, John M., Penry, John F., Malmo, Jakob, Mein, Graeme A.
Published in Journal of dairy science (01.12.2014)