Fish food research. Researcher adding a vitamin formula to pellets of fish feed. The processes used to manufacture fish pellets damages a number of vitamins that are essential for the healthy growth of farmed fish. This preblended vitamin mix replaces those vitamins | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Ausmus, Stephen / US Department of Agriculture |
Bildgröße: | 2660 px × 3425 px |
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