Giuseppe Maniaci has a Degree in Agricultural Science from the University of Palermo (Italy) and a Ph. D. in Animal Production. He has been involved in Animal Production experimental research since 2003, mainly on cattle, sheep and goat production. At present, he is a Technician at the Department of Agricultural, Food and Forest Sciences of the University of Palermo. He has participated and is currently participating in several national and regional research projects, funded by different entities (MISE, MIUR, AGENSUD, and the Sicilian Region). His research activities developed successively in various themes: the nutritional characterization of forages, seeds and by-products for animal feeding; protein sources in dairy cow and ewe feeding; effects of protein sources alternative to soybean meal on milk yield and quality; nutritional and feeding aspects in cows and ewes; characterization of cattle, sheep and goat local breeds; the influence of genetic, environmental and managerial factors on the milk yield and quality of cows, ewes and goats; and the characterization of dairy traditional products. At present, his interests are focused on studying the effects of grazing systems on the selective behaviour, herbage intake, well-being and quality of dairy products of cows, ewes and goats. He is co-author of a total 37 publications, including 20 ISI. He is referee of several international ISI journals, including "Animals", "Foods", "Agronomy", "Dairy", and "Veterinary Sciences".