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Animal source foods (ASF) include many food items that come from an animal source such as fish, meat, dairy, eggs and honey. Many individuals consume little ASF or even none for long periods of time by either personal choice or necessity, as ASF may not be accessible or available to these people.
Farmed animals needs to eat more food than their products can deliver. Net animal losses are the difference between the calories in human-edible crops fed to animals and the calories returned in meat, dairy and fish. These losses are higher than all other conventional food losses combined. [32] This is because on average livestock eat more ...
Food products produced by animals include milk produced by mammary glands, which in many cultures is drunk or processed into dairy products (cheese, butter, etc.). Eggs laid by birds and other animals are eaten and bees produce honey , a reduced nectar from flowers that is used as a popular sweetener in many cultures.
Animal products are any products that can only be extracted from animals; for example, bones, skin or meat. ... Animal-based fermented foods (3 C, 7 P)
Fish and fish products are consumed as food all over the world. With other seafoods, they provides the world's prime source of high-quality protein; 14–16 percent of the animal protein consumed worldwide. Over one billion people rely on fish as their primary source of animal protein. [1] [2]
Meat is animal tissue, often muscle, that is eaten as food. Humans have hunted and farmed other animals for meat since prehistory. The Neolithic Revolution allowed the domestication of vertebrates, including chickens, sheep, goats, pigs, horses, and cattle, starting around 11,000 years ago.
Seafood is any form of sea life regarded as food by humans, prominently including fish and shellfish.Shellfish include various species of molluscs (e.g., bivalve molluscs such as clams, oysters, and mussels, and cephalopods such as octopus and squid), crustaceans (e.g. shrimp, crabs, and lobster), and echinoderms (e.g. sea cucumbers and sea urchins).
Birds that employ many strategies to obtain food or feed on a variety of food items are called generalists, while others that concentrate time and effort on specific food items or have a single strategy to obtain food are considered specialists. [49] Avian foraging strategies can vary widely by species.