Siebrits, Francois, Berno Hambrock, and Elsje Pieterse. 2012. “The South African Pig Carcass Classification System.”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt; 31 (1), 5 bladsye. https://doi.org/10.4102/satnt.v31i1.353.