preserving
Ancient methods of preserving fish included drying, salting, pickling and smoking. All of these techniques are still used today but the more modern techniques of freezing and canning have taken on a large importance.
See:
Fish as a food describes the edible parts of water-dwelling, cold-blooded vertebrates with gills, as well as certain other water-dwelling animals such as mollusks, crustaceans, and shellfish.
Aviculture is the practice of keeping and often breeding pet birds, generally companion parrots, and the culture that forms around it. Aviculture is generally focused not just on the raising and breeding of birds, but also on preserving avian habitat, and public awareness campaigns.
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