There are alternative sources of nutrition to animal meat.

有能替代动物肉类的其他营养来源。

《柯林斯英汉双解大词典》

They allow the animal to rely on sunshine for its nutrition.

他们让动物靠阳光获取营养。

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Food is any substance, usually composed primarily of carbohydrates, fats, water and/or proteins, that can be eaten or drunk by an animal for nutrition or pleasure.

食物是由碳水化合物，脂肪，水分和（或）蛋白质组成的，并且能使动物通过进食或饮用而获得营养或满足的一种物质。

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Volac's factory opened in 1990 to produce whey-based products for the food and young animal nutrition markets.

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Mr Brakke found that the region houses more than 120 companies serving the animal-health and nutrition industries, including four of the ten largest international manufacturers of animal-health products.

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In my case, it began with a well-researched and supervised seven-day fruit and vegetable juice cleanse (during which time I weaned myself off caffeine), followed by an entirely plant-based nutrition program -- an animal-product-free regimen I have adhered to ever since.

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