Aquacultural and Fisheries Economics [EE113]; Supply, Demand and Prices [EE130]; International Trade [EE600]; Marketing and Distribution [EE700]; Animal Genetics and Breeding [LL240]; Animal Nutrition (Physiology) [LL510]; Animal Nutrition (Production Responses) [LL520]; Aquaculture (Animals) [MM120]; Feed Additives [RR130]; Feed Composition and Quality [RR300]; Prion, Viral, Bacterial and Fungal Pathogens of Humans [VV210]; animal breeding; animal feeding; aquaculture; coronavirus disease 2019; diets; digestibility; disease prevalence; economic impact; epidemiology; excretion; feed additives; feed formulation; feed rations; feeds; fish culture; fish feeding; genetics; growth rate; human diseases; market prices; marketing; optimization; pandemics; production costs; proteinases; shrimp culture; shrimps; viral diseases; nitrogen; aquatic animals; aquatic organisms; shellfish; Decapoda; fishes; man; Severe acute respiratory syndrome coronavirus 2; Malacostraca; Crustacea; arthropods; invertebrates; animals; eukaryotes; vertebrates; Chordata; Homo; Hominidae; primates; mammals; Severe acute respiratory syndrome-related coronavirus; Betacoronavirus; Coronavirinae; Coronaviridae; Nidovirales; positive-sense ssRNA Viruses; ssRNA Viruses; RNA Viruses; viruses; feeding stuffs; fish farming; pisciculture; proteases; SARS-CoV-2; shrimp farming; shrimp ranching; shellfish farming; shellfish ranching; viral infections; aquatic species