The present technical paper presents an up-to-date overview of the major feed ingredient sources and feed additives commonly used within industrially compounded aquafeeds, including feed ingredient sources commonly used within farm-made aquafeeds, and major fertilizers and manures used in aquaculture for live food production. Information is provided concerning the proximate and essential amino acid composition of common feed ingredient sources, as well as recommended quality criteria (when available) and relative nutritional merits and limitations (if any), together with a bibliography of published feeding studies for major feed ingredient sources by cultured species. The technical paper is divided into five main sections. Section 1 deals with principles of feed ingredient and fertilizer analysis, including official methods of proximate chemical analysis, the analysis of amino acids, non-protein nitrogen, fatty acids, phospholipids, sterols, carbohydrates, sugars, energy, vitamins, minerals, the presence of anti-nutritional factors and contaminants, and the analysis of the physical properties of feed ingredients and feed microscopy. This is followed by a second section dealing with methods of analysis for fertilizers and manures, and a third section presenting a glossary of major feed and feed milling terms, including methods for ingredient classification and description in numerical terms.