The Symposium contained the scientific communication, including plenary sessions, invited lectures and submitted papers – both oral and poster presentations and discussions. The sessions were divided into sections that included: 1st – Forage production – yield, quality, fertilization. 2nd – Fermentation process of forage – harvest, preservation and storage. 3rd – Utilization, nutritive value and hygienic aspects of preserved forages on production health of animals. 4th – Production of biogass by conserved forages, greenhouse gases and animal agriculture, ecology.