European White breed pig lines (Yorkshire, Large White, Landrace) formed the basic genetic material of most breeding programmes, and in time have evolved into specialised sire and dam lines. This has also led to a different level of nutritional requirements for each of these different lines and forced nutritionists and geneticists to work together closely to obtain optimal performance records.
This article can also be found at Feed Mix, volume 9, no. 3
To view the entire article, click on the link below