Fish byproducts can be used for:

The correct answer is: d) All of the above

Fish byproducts can be used for a variety of purposes, including fertilizer, animal feed, and pharmaceuticals.

• Fertilizer: Fish byproducts can be used as a source of nitrogen and phosphorus, which are essential nutrients for plant growth. They can also be used to improve soil structure and drainage.
• Animal feed: Fish byproducts can be used as a source of protein and other nutrients for livestock. They can also be used to improve the palatability
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