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  1. Fish Hatchery Management ... fecundity according to many factors including age, size, food availability, species, season, and water temperature ... Air supply from ...

  2. 10 September 2012, at 1:00am. As a valuable source of nutrients, globally fish provides about three billion people with almost 20 percent of their average per capita intake of animal protein, and 4.3 billion people with about 15 percent of such protein, according to the FAO's "The State of World Fisheries and Aquaculture 2012" report. Fish and fishery products represent a valuable source of nutrients of fundamental importance for diversified and healthy diets.

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  4. Globally, fish provides more than 1.5 billion people with almost 20 percent of their average per capita intake of animal protein, and nearly 3.0 billion people with 15 percent of such protein. Figure 43 presents the contributions of major food groups to total protein supplies.

    • The Benefits of Fish Hatcheries
    • The Drawbacks of Fish Hatcheries
    • Further Reading

    There are numerous benefits of fish hatcheries that have led to them being so popular. To begin with, as a result of the increasing demand for food, the oceans and seas have become heavily farmed. Hatcheries allow for the replenishment of fish in these waters, at a rate much faster than nature would allow. This allows consumers to gain access to a guaranteed supply of seafood, as well as ensuring farmers will continue to generate revenue from farming the animals. Also, hatcheries can provide food sources to carnivorous fish, enabling their continued supply. Recent years have seen the rise in popularity of the seafood diet due to its plentiful health benefits reported by many scientific studies. Today, protein and Omega-3 has become a focus of many people’s diets for muscle growth, memory function, eye health, lower risk of heart disease, and more. Seafood is naturally high in these substances, which are not only beneficial to the general population but can also impact on communities...

    While there are numerous benefits to fish hatcheries, it can be argued that the drawbacks outweigh these advantages. Firstly, fish hatcheries have been identified as a source of pollution to aquatic environments due to some of its practices. Also, because these fish are farmed in very dense conditions, their waste products become more concentrated, which can favor the development of microorganisms that can be directly harmful to the fish. Also, while the perception of farmed fish is that they are cleaner than wild fish, this is not the case. Studies have shown that farmed fish have higher levels of toxic substances such as antibiotics, organic pollutants, and pesticides than are found in wild fish. Consumers eating farmed fish are, therefore, at risk of the adverse health effects associated with consuming these contaminants. Pregnant and nursing women are of particular risk to these detrimental health effects. Studies have also shown that fish from hatcheries have lower reproductive...

  5. In 2008 aquaculture accounted for 46% of total food fish supply, around 115 million tonnes. Although wild caught juveniles are still utilised in the industry, concerns over sustainability of extracting juveniles, and the variable timing and magnitude of natural spawning events, make hatchery production an attractive alternative to support the growing demands of aquaculture.

  6. World map of fat supply. In the chart here we see this FAO data on per capita fat supply mapped by country from 1961 to 2013. In 2013, we see that most countries across Europe, Oceania and North America have per capita supplies greater than 140 grams/person/day.

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