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Protein is one of our most important dietary requirements, and evidence shows that lack of essential amino acids,
蛋白質是我們最重要的日常所需，有證據顯示，若孩童飲食中缺乏氨基酸，
the building blocks of proteins, in young children's diets, can result in stunting.
構成蛋白質的基本物質，可能會造成生長遲緩。
Essential amino acids are called essential because we can't synthesize them in our bodies.
必需氨基酸之所以是必要的是因為我們身體無法自己合成。
We have to get them from our foods and the best sources are animal-derived: milk, meat and eggs.
我們必須從食物中獲取，而最好的來源就是動物制品：奶、肉類還有蛋類。
Most protein consumed on the African continent is crop-based.
非洲大陸上大部分被消耗的蛋白質來自于農作物。
And although we have millions of smallholder farmers rearing animals, livestock production is not as easy as we think.
雖然我們有數百萬的小農戶飼養動物，畜牧業生產并沒有我們想象的那么簡單。
The big livestock gaps between rich countries and poor countries are due to poor animal health.
貧窮和富有國家在畜牧業上的差距源于較差的動物健康水平。
Endemic livestock diseases, some of them transmissible to humans,
地方性的家畜疾病，其中一些是可以傳染給人類的，
threaten not only livestock producers in those poor countries, but all human health across all countries.
所以在這些貧困國家當中，這類疾病不僅僅威脅著畜牧生產者，同時也威脅著這些國家里所有人的健康。
This is a global pathogens network.
這是全球病原體網絡。
It shows the pathogens found across the world according to the Enhanced Infectious Diseases database.
根據加強后的感染病數據庫提供的數據，這顯示了全球范圍內已被發現的病原體。
And it shows those pathogens that share hosts.
它同時顯示出有共同宿主的的病原體。
In a nutshell, we share pathogens, and thus diseases, with the species we live closest to: our livestock.
簡單地說，我們在和與我們最親近的物種，牲畜們，共享病原體，也就是說共享疾病。
And we call these zoonotic diseases.
我們把這個叫人畜共患病。
Recent reports show that the deadly dozen zoonotic diseases kill 2.2 million people and sicken 2.4 billion people annually.
最近的報告顯示，許多致命的人畜共患病每年會殺死二百二十萬人，并且讓二十四億人患病。
And Jimmy says, "The greatest burden of zoonoses falls on one billion poor livestock keepers."
吉米說，“來自于人畜共患病最大的壓力，需要十億個窮困牲畜養殖者來承擔。”
