Introduction to livestock systems / Nadia El-Hage Scialabba -- Livestock food and human nutrition / Nadia El-Hage Scialabba -- Livestock xenobiotics and zoonoses / Nadia El-Hage Scialabba -- Healthy livestock production and consumption / Nadia El-Hage Scialabba -- Pesticide safety in livestock products / André Frederick Leu -- Continuous development of animal welfare, with a focus on organic farming / Otto Schmid and Barbara Früh -- Livestock and future food supply scenarios / Nadia El-Hage Scialabba -- Pastoralism as a response to climate change and water security in Mediterranean mountains and forests / Gregory Lazarev -- Landscape management : ecological engineering in temperate areas / Joel Salatin -- Let them graze! : potentials of ruminant production outside the feed-food competition / Florian Leiber -- The promises of food without soil and toil / Gunnar Rundgren -- Livestock as a tool to regenerate land / Nadia El-Hage Scialabba -- Experiences of low-external-input livestock systems / Nadia El-Hage Scialabba -- Full-cost accounting for decision-making related to livestock systems / Nadia El-Hage Scialabba