Quick Answer: What are the disadvantages of farming fish such as salmon for human food?

What are the disadvantages of salmon farming?

Con:

  • Farmed salmon have a reliable food source and less ability which to swim, so they don’t get as much “exercise” as wild salmon. …
  • The antibiotics and other chemicals (including pesticides) used to treat farmed fish have been known to leak into the water supply, affecting other marine life in addition to salmon.

What is the advantages and disadvantages of fish farming?

Top 10 Fish Farming Pros & Cons – Summary List

Fish Farming Pros Fish Farming Cons
Income source for locals Spread of diseases
Job opportunities Genetic manipulation
May mitigate the starvation issue Fish feed is often made out of wild fish
Lower fish prices Poor conditions in fish farms

What are some disadvantages of fish farming?

Disadvantages in Fish Farming

  • Disease. Keeping fish in close proximity increases the chances of disease. …
  • Environment. Fish farms can have a harmful effect on the local environment. …
  • Protein Efficiency. Many farmed fish–such as salmon, bass and cod–are carnivorous. …
  • Set-up Costs. …
  • Worker Safety.

What is a disadvantage of fish farming?

There is a greater risk of disease because the fish may be closely related due to selective breeding and they live closely together. Sterile water, pesticides and antibiotics may be needed to control disease. … The fish may be fed using pellets made from other, less valuable fish that may have been caught from the wild.

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What are the disadvantages of fish?

Fish can take in harmful chemicals from the water and the food they eat. Chemicals like mercury and PCBs can build up in their bodies over time. High levels of mercury and PCBs can harm the brain and nervous system.

How does fish farming affect humans?

As such, they tend to bioaccumulate up the food chain and can cause significant health concerns for both humans and the environment, associated with increasing the risk of cancer, disrupting the endocrine system, and contributing to developmental and reproductive problems.

What are the disadvantages of extensive farming?

Disadvantages of Intensive Farming

  • Intensive farming involves the use of various kinds of chemical fertilizers, pesticides, and insecticides.
  • It can lead to overcrowding due to the fact that animals are kept in holding facilities which can lead to pollution and break out of diseases and infection.