Remarkably few plant and animal species dominate global agriculture and food production. Cattle, sheep, pigs and poultry make up most of the livestock sector, while wheat, maize, rice and soya account for 60 per cent of the world’s total crop output. Fewer than 30 species account for more than 95 per cent of human food needs.
為數極少的植物和動物種類在全球農業和糧食生產中占據了主導地位。畜牧業主要由牛、羊、豬和禽類占主導，而小麥、玉米、水稻和大豆則占全球谷物總產量的60%。不到30個物種占據了逾95%的人類食物需求。
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