Feed costs are a crucial factor in trout farms. For farmers endeavoring to maximize profitability, improving feed management is an essential consideration. The introduction of cork-enriched feed has been tested in the previous studies, which focused the technological and environmental...

International grain prices experienced a sharp increase during the 2020/2021 marketing season, most likely due to the unprecedented increase of imported grains by China. What would be the possible impact on international grain markets if China remains a strong grain importer? The scenario...

Introduction -- A deep history of the Humboldt Current ecosystem -- The new industrial ecology of animal farming in the Atlantic and Pacific worlds, 1840-1930 -- Protein from the sea : the "nutrition problem" and the industrialization of fishing in Chile and Peru -- The golden anchoveta : the...

Antimicrobial use in animal agriculture contributes to antimicrobial resistance in humans, which imposes significant health and economic costs on society. These costs are negative externalities. We review the relevant literature and develop a model to quantify the external costs of antimicrobial...