# Additives in Salmon Feed: A Comprehensive Report

## Introduction
As a nutritionist recommending salmon to clients as part of a healthy diet, understanding the additives used in farmed salmon feed is essential for providing informed guidance.

This report examines common and uncommon additives in salmon feed, their purposes, associated health concerns, and regulatory frameworks governing their use in major salmon farming industries.

## Common Additives in Salmon Feed

### Fishmeal and Fish Oil
The most significant components of salmon feed are fishmeal and fish oil derived from wild-caught fish.

According to the context documents, carnivorous farmed fish such as salmon require high volumes of these ingredients.

The production of fishmeal and fish oil for farmed fish feed is depleting wild fish stocks, particularly in West Africa, where small pelagic fish such as sardines and mackerel are being overfished for industrial fish farms in Europe and other wealthy nations.

In fact, over half a million tons of pelagic fish that could feed over 33 million people in West Africa are instead extracted and converted to fishmeal and fish oil primarily for farmed fish and livestock feed.

### Antibiotics
The context documents mention the use of antibiotics in salmon farming.

These are typically used to prevent and treat bacterial infections that can spread rapidly in the high-density conditions of fish farms.

### Formaldehyde
The documents specifically mention the use of carcinogenic formaldehyde in salmon farming.

Formaldehyde is likely used as a disinfectant or preservative in the farming process, though its exact application in feed is not detailed in the provided context.

## Uncommon Additives in Salmon Feed
The context documents do not provide specific information about uncommon additives in salmon feed.

However, they do mention that farmed Atlantic salmon was found to contain high levels of dioxins and PCBs (polychlorinated biphenyls), which suggests potential contamination from feed ingredients or the farming environment.

## Purposes of Using Additives in Salmon Feed

### Nutritional Requirements
Fishmeal and fish oil are added to salmon feed primarily to meet the nutritional requirements of carnivorous fish.

These ingredients provide essential proteins, amino acids, and omega-3 fatty acids that salmon need for growth and development.

### Disease Prevention
Antibiotics are used to prevent and treat bacterial infections that can occur in the crowded conditions of fish farms, where diseases can spread rapidly among the fish population.

### Preservation and Disinfection
Formaldehyde is likely used as a disinfectant or preservative in the farming process, though its specific application in feed is not detailed in the provided context.

## Health Concerns Associated with Additives

### Antibiotic Resistance
The use of antibiotics in salmon farming raises concerns about the development of antibiotic-resistant bacteria, which can have implications for human health when these bacteria enter the food chain.

### Carcinogenic Effects
The context documents specifically mention formaldehyde as a carcinogenic substance used in salmon farming.

Exposure to formaldehyde has been linked to cancer in humans, raising concerns about potential residues in farmed salmon.

### Contamination with Toxic Chemicals
A German study mentioned in the context documents found that farmed Atlantic salmon contained high levels of dioxins and PCBs, which are toxic chemicals that can accumulate in the body over time.

Regular consumption of fish containing high levels of these substances may lead to increased health risks.

The study concluded that regular consumption of these fish can lead to severe exposure to these toxic chemicals, increasing the risk of harmful health effects.

### Ecosystem Impact
While not a direct human health concern, the depletion of wild fish stocks for fishmeal and fish oil production has significant implications for food security in vulnerable regions, particularly in West Africa, where fish that could feed local populations are instead used for farmed fish feed in wealthier nations.

The UN special rapporteur on the right to food has acknowledged this issue, noting that carnivorous farmed fish create pressure on wild fish stocks and disrupt ecosystems.

## Standards and Regulations Governing Additives in Salmon Feed

### European Union
The context documents indicate that the current EU strategy for aquaculture does not adequately address the social and environmental challenges posed by the sector.

The European Court of Auditors found that the EU has been funding aquaculture development with little proof of contribution to environmental and social sustainability.

Furthermore, there are currently no indicators available to monitor the environmental sustainability of EU aquaculture.

The documents also note that the EU strategy fails to clearly define what "sustainable" aquaculture is, suggesting a regulatory gap in oversight of salmon farming practices.

### International Context
The UN special rapporteur on the right to food has acknowledged that many farmed fish are carnivorous species that require feed products harvested from wild fish stocks, creating pressure on wild fish populations and disrupting ecosystems.

However, specific international regulations governing additives in salmon feed are not detailed in the provided context documents.

## Conclusion
The context documents provide limited information about additives in salmon feed, highlighting primarily the use of fishmeal, fish oil, antibiotics, and formaldehyde.

These additives raise various health concerns, including potential carcinogenic effects, antibiotic resistance, and contamination with toxic chemicals.

The regulatory framework, particularly in the EU, appears to lack sufficient monitoring and enforcement mechanisms to ensure the sustainability and safety of salmon farming practices.

As a nutritionist, it's important to consider these factors when recommending salmon to clients and to provide balanced information about both the benefits and potential risks associated with consuming farmed salmon.

Further research into specific additives, their purposes, and regulatory standards would be beneficial for providing more comprehensive guidance to clients.

# Additives in Salmon Feed: A Comprehensive Report

## Introduction
As a nutritionist recommending salmon to clients as part of a healthy diet, understanding the additives used in farmed salmon feed is essential for providing informed guidance.

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This report examines common and uncommon additives in salmon feed, their purposes, associated health concerns, and regulatory frameworks governing their use in major salmon farming industries.

## Common Additives in Salmon Feed

### Fishmeal and Fish Oil
The most significant components of salmon feed are fishmeal and fish oil derived from wild-caught fish.

Title:

Content: Ad

The EU must not support intensive fish farming — it's not sustainable

Free Article

The Hungarian presidency of the Council of the European Union, which will run between 1 July and 31 December 2024, has announced in its programme that it will pay particular attention to the development of “sustainable and competitive aquaculture”, arguing that “it is the animal protein production sector with the smallest environmental footprint.”

Beyond a supposedly low carbon footprint, aquaculture is also presented as an alternative to mitigate declining wild fish catches. However, under the term “aquaculture” we find various production models – some of which are more environmentally benign when conducted at appropriate scale, such as the cultivation of mussels, clams, and oysters, and some of which come with significant damaging impacts.

Many European consumers who want to eat fish from sustainable sources believe farmed salmon, trout and seabass are sustainable choices. But the intensive farming of carnivorous fin fish is neither socially nor environmentally sustainable.

The environmental impacts of this industrial production model include an increase in harmful algal blooms, a negative impact on sea grass meadows due to the accumulation of organic matter around farms, mass fish die-offs, the use of the harmful substances such as carcinogenic formaldehyde or antibiotics, and water pollution, creating dead zones on the sea bed underneath the farms. Adding to this, carnivorous farmed fish such as salmon and seabass require high volumes of fishmeal and fish oil from wild-caught fish in their feed.

In Europe, industrial aquaculture of carnivorous fish at sea is damaging the environment and displacing traditional activities such as coastal small-scale fisheries.

On the island of Poros, Greece, for example, the plan is to increase the area dedicated to open net pen carnivorous fish farms by 28 times. Yet, underwater video depicts that marine ecosystem near the current small-scale pens is completely dead from the waste and pollution of the farms, and local professional fishermen attest to a loss of wild fish since the influx of fish farms.

Beyond Europe, the production of fishmeal and fish oil necessary to feed carnivorous farmed fish is depleting wild fish stocks. This is the case in West Africa where the overfishing of small pelagics such as sardines and mackerel for industrial fish farms in Europe is undermining food security and the livelihoods of small-scale fishers and women fish-processors. Fish is taken away from people in low-income countries to feed the farmed fish which will be consumed in wealthy nations.

The UN special rapporteur on the right to food acknowledged this in his report to the Human Rights Council in early 2024: “Many farmed fish are carnivorous species that require feed products harvested from wild fish stock, thereby creating another source of pressure on wild fish stocks and disrupting ecosystems.

Moreover, global feed companies are exacerbating food insecurity in some communities. For example, over half a million tons of pelagic fish that could feed over 33 million people in the region are instead extracted from the ocean along the coast of West Africa and converted to fishmeal and fish oil, primarily in order to feed farmed fish and livestock, mostly in Asia and Europe.”

The current EU strategy for aquaculture does not respond to the social and environmental challenges posed by this sector and fails to clearly define what “sustainable” aquaculture is. In fact, in a special report on aquaculture, the European Court of Auditors (ECA) found that the European Union has been pouring funds into the development of aquaculture with little proof that this has contributed to the sector’s “environmental and social sustainability or its competitiveness.” The ECA report further highlights that “there are currently no indicators available to monitor the environmental sustainability of EU aquaculture.”

Under the agriculture and fisheries agenda, Hungary has reaffirmed its wish to support farmers, and fish farmers, through a “farmer-friendly European food system.” Rather they should support low impact small-scale fishers as primary food producers.

Under the Hungarian presidency, the EU should discontinue support for industrial aquaculture of carnivorous species and instead promote more sustainable small-scale aquaculture options that can co-exist instead of negatively affecting small-scale fisheries in Europe and beyond. If Europe wants to be a model in sustainable ocean governance, it must place small-scale, low-impact fisheries and aquaculture at the heart of its food policy.

This is an open letter signed by the following organisations from Africa and Europe: African Confederation of Artisanal Fisheries Organisations (CAOPA), Coalition for Fair Fisheries Arrangements (CFFA), Feedback Europe, Low Impact Fishers of Europe (LIFE), Compassion in World Farming and the Rauch Foundation.

Disclaimer

This article is sponsored by a third party. All opinions in this article reflect the views of the author and not of EUobserver.

Author Bio

The Coalition for Fair Fisheries Arrangements is a platform of European and African organisations that raises awareness about the impacts of the EU-Africa fisheries agreements on artisanal fishing communities.

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Author Bio

The Coalition for Fair Fisheries Arrangements is a platform of European and African organisations that raises awareness about the impacts of the EU-Africa fisheries agreements on artisanal fishing communities.

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According to the context documents, carnivorous farmed fish such as salmon require high volumes of these ingredients.

The production of fishmeal and fish oil for farmed fish feed is depleting wild fish stocks, particularly in West Africa, where small pelagic fish such as sardines and mackerel are being overfished for industrial fish farms in Europe and other wealthy nations.

In fact, over half a million tons of pelagic fish that could feed over 33 million people in West Africa are instead extracted and converted to fishmeal and fish oil primarily for farmed fish and livestock feed.

### Antibiotics
The context documents mention the use of antibiotics in salmon farming.

What has the release of Netflix's ecological crisis documentary "Seaspiracy"  exposed?

The pollution risks associated with antibiotics used in sea-farmed salmon.

What health concerns are there specifically related to additives in farmed salmon feed?

These are typically used to prevent and treat bacterial infections that can spread rapidly in the high-density conditions of fish farms.

### Formaldehyde
The documents specifically mention the use of carcinogenic formaldehyde in salmon farming.

What health concerns are there specifically related to additives in farmed salmon feed?

Formaldehyde is likely used as a disinfectant or preservative in the farming process, though its exact application in feed is not detailed in the provided context.

## Uncommon Additives in Salmon Feed
The context documents do not provide specific information about uncommon additives in salmon feed.

However, they do mention that farmed Atlantic salmon was found to contain high levels of dioxins and PCBs (polychlorinated biphenyls), which suggests potential contamination from feed ingredients or the farming environment.

Title:

Content: 25 / 04 / 2023 - 19: 30
Is it as healthy as it used to be?
Fish absorb methylmercury from their diet, and it builds up in their muscle tissue over time.
This means that larger and older fish, such as tuna, swordfish and shark, contain higher levels of mercury than smaller fish.
(Getty)
Researchers discuss the seriousness of eating seafood in recent years, especially after the massive pollution in the seas and oceans caused by human activity, where a study conducted by the German Federal Environment Agency investigated the levels of dioxins and polychlorinated biphenyls in different fish species sold in Germany, and found that the levels of dioxins and polychlorinated biphenyls vary significantly between species and individual fish within species. They also found that some fish species, such as wild eel, European herring caught in the wild, and Atlantic farmed salmon, contain high levels of dioxins and polychlorinated biphenyls.
The study concluded that eating these fish regularly can lead to severe exposure to these toxic chemicals and increase the risk of adverse health effects.
Mercury is a toxic heavy metal that is released into the environment through industrial activities, such as coal-fired power plants and mining.
It then enters the water bodies, where it is converted to methylmercury by bacteria.
Fish absorb methylmercury from their diet, and it builds up in their muscle tissue over time.
This means that larger and older fish, such as tuna, swordfish, and shark, contain higher levels of mercury than small fish, and mercury can cause neurological and developmental problems, especially in fetuses and young children, as the US Environmental Protection Agency (EPA) recommends pregnant women, women who may become pregnant, nursing mothers, and young children to avoid eating high-mercury fish.
A study by the Harvard Chan School of Public Health looked at the relationship between mercury exposure from fish consumption and the risk of developing amyotrophic lateral sclerosis, a fatal neurodegenerative disease, tracking 518,000 men and women in the United States for up to 16 years. Mori.
Specifically, those who ate fish with mercury levels in the top 25% had a 60% higher risk of developing ALS compared to those who ate fish with low mercury levels.
The study concluded that increased mercury exposure from fish consumption is associated with an increased risk of ALS.
Polychlorinated biphenyls (PCBs) are synthetic chemicals that were used in electrical equipment, such as transformers and capacitors, until they were banned in the 1970s, however, they still exist in the environment, accumulate in fish, and PCBs are classified as persistent organic pollutants and are known to cause cancer and reproductive problems. and developmental disorders.
The U.S. Food and Drug Administration (FDA) has recommended that pregnant women, nursing mothers and young children avoid eating fish that contain high levels of polychlorinated biphenyls.

What health concerns are there specifically related to additives in farmed salmon feed?

## Purposes of Using Additives in Salmon Feed

### Nutritional Requirements
Fishmeal and fish oil are added to salmon feed primarily to meet the nutritional requirements of carnivorous fish.

These ingredients provide essential proteins, amino acids, and omega-3 fatty acids that salmon need for growth and development.

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Scrumbles Chicken With Salmon Dry Cat Food 750G

£7.50

£10.00/kg

Scrumbles Ckn With Salmon Dry Cat Food 750g Good Food Shouldn't Cost the Earth!I mean what's the point! If we eat well at the expense of our precious planet, we won't be here for long. We take care to tread lightly with conscious decisions like manufacturing locally and choosing eco packaging. 1% of our sales are donated to environmental and social causes and this mono PE bag is 100% Recyclable uses up to 16% less fossil fuels, 26% less water use and 21% reduced greenhouse gas emissions vs other non recyclable bags.Beyond the BowlWe're committed to helping those who need us most and work closely with animal charities donating food and funds.Learn more at SCRUMBLES.COM1% for the PlanetWe take care to tread gently on the planet, reducing our food miles by manufacturing locally and donating 1% of our turnover to environmental and social causes.
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We've Declared War on Poos.In our search to solve our pets' tummy troubles, we found good health starts in the gut. we quit our jobs to create delicious recipes using natural, wholesome ingredients perfect for sensitive stomachs that get the wiggle of approval from our chief tasters Smudge & Boo.
Good Inside OutProbiotics for Gut Health
Pack size: 750G
We've added cranberries believed to support a healthy urinary tract and optimal levels of omega 3 and 6 to support healthy skin and coat

Ingredients

69% Chicken (33% Dehydrated Chicken, 26% Freshly Prepared Chicken*, 7% Chicken Fat*, 3% Chicken Stock), 21% Rice*, 4% Dehydrated Salmon*, 2.5% Dried Alfalfa*, 2% Salmon Oil*, Vitamins & Minerals, 0.4% Dried Cranberry*, 0.07% Dried Carrot*, 0.015% Yucca, Dried Spearmint, *Natural ingredients

Allergy Information

Made on a site which handles Grains

Net Contents

750g

Preparation and Usage

Every cat is different but here is a guide based on typical activity levels. Head over to scrumbles.co.uk to use our hand feeding calculator for more weights and a tailored guide. Fresh water should be available at all times.New to Scrumbles? We suggest a gradual change over 7-10 daysThis complete meal is all your cat needs. If you like to give treats, please feed a little bit less.Cat Weight: 2 - 3 Kg; Dozer Indoor cats: Food Per day - 29 - 39g; Adventurer Active Cats: Food Per Day - 44 - 58gCat Weight: 3 - 4 Kg; Dozer Indoor cats: Food Per day - 39 - 48g; Adventurer Active Cats: Food Per Day - 58 - 71gCat Weight: 4 - 5 Kg; Dozer Indoor cats: Food Per day - 48 - 56g; Adventurer Active Cats: Food Per Day - 71 - 84gCat Weight: 5 - 6 Kg; Dozer Indoor cats: Food Per day - 56 - 63g; Adventurer Active Cats: Food Per Day - 84 - 95gCat Weight: 6 - 7 Kg; Dozer Indoor cats: Food Per day - 63 - 71g; Adventurer Active Cats: Food Per Day - 95 - 106g

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### Disease Prevention
Antibiotics are used to prevent and treat bacterial infections that can occur in the crowded conditions of fish farms, where diseases can spread rapidly among the fish population.

### Preservation and Disinfection
Formaldehyde is likely used as a disinfectant or preservative in the farming process, though its specific application in feed is not detailed in the provided context.

## Health Concerns Associated with Additives

### Antibiotic Resistance
The use of antibiotics in salmon farming raises concerns about the development of antibiotic-resistant bacteria, which can have implications for human health when these bacteria enter the food chain.

Title:

Content: Friday, 16 February 2024 12: 28 GMT
Study Reveals Relationship of Treated Foods to Cancer
(MENAFN- Alghad Newspaper) The list of harmful effects of food additives and colorants is on the rise, especially with a new French study confirming the danger of these food additives and emulsions on human health and the immune system, according to Sky News Arabia.
Eight months after presenting the preliminary results of a seven-year French research published in the scientific journal PLOS ONE, scientists have confirmed that foods containing artificial food additives and colorants cause cancer.
The study, which spanned years and involved more than 90,000 French participants, showed that processed superfoods, known as upf, lead to cancer.
In detail, foods containing the nutritional symbol "E471" were associated with an overall cancer risk of about 15 percent, increased breast cancer risk for women by 24 percent, and prostate cancer for men by more than 65 percent.
The researchers believe that these food additives disrupt the living microorganisms in the intestine, facilitating the access of pathogenic bacteria to the intestinal barrier, which promotes the appearance of cancer.
A previous study by the University of Bristol and the International Agency for Research on Cancer found that eating lots of ice cream, chips, soft drinks, fruit flavored yogurt, and all the foods that attract customers with their beautiful bright colors, may increase the risk of cancer of the gastrointestinal tract, head and neck as well.
MENAFN15022024000072011014ID1107858457
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What health concerns are there specifically related to additives in farmed salmon feed?

### Carcinogenic Effects
The context documents specifically mention formaldehyde as a carcinogenic substance used in salmon farming.

What health concerns are there specifically related to additives in farmed salmon feed?

Exposure to formaldehyde has been linked to cancer in humans, raising concerns about potential residues in farmed salmon.

What health concerns are there specifically related to additives in farmed salmon feed?

### Contamination with Toxic Chemicals
A German study mentioned in the context documents found that farmed Atlantic salmon contained high levels of dioxins and PCBs, which are toxic chemicals that can accumulate in the body over time.

What health concerns are there specifically related to additives in farmed salmon feed?

Regular consumption of fish containing high levels of these substances may lead to increased health risks.

The study concluded that regular consumption of these fish can lead to severe exposure to these toxic chemicals, increasing the risk of harmful health effects.

### Ecosystem Impact
While not a direct human health concern, the depletion of wild fish stocks for fishmeal and fish oil production has significant implications for food security in vulnerable regions, particularly in West Africa, where fish that could feed local populations are instead used for farmed fish feed in wealthier nations.

The UN special rapporteur on the right to food has acknowledged this issue, noting that carnivorous farmed fish create pressure on wild fish stocks and disrupt ecosystems.

## Standards and Regulations Governing Additives in Salmon Feed

### European Union
The context documents indicate that the current EU strategy for aquaculture does not adequately address the social and environmental challenges posed by the sector.

What countries or jurisdictions have regulations concerning additives in salmon feed?

What countries or jurisdictions have regulations concerning additives in salmon feed?

The European Court of Auditors found that the EU has been funding aquaculture development with little proof of contribution to environmental and social sustainability.

Furthermore, there are currently no indicators available to monitor the environmental sustainability of EU aquaculture.

The documents also note that the EU strategy fails to clearly define what "sustainable" aquaculture is, suggesting a regulatory gap in oversight of salmon farming practices.

Title:

Content: Dealers in Alexandria call for greater control over fishing to preserve fish stocks
A number of fish traders in the Anfoushi Fish Ring and members of the Fish Division at Alexandria Chamber of Commerce called for the need to maximize control over fishing activities in order to preserve fish resources, which ultimately reflects on the stock of fish offered in the markets and contributes to the decision of prices at appropriate rates.
Moataz Mahmoud
6: 50 PM, Thursday, 22 Sep 22
A number of fish traders in the Anfoushi Fish Ring and members of the Fish Division at Alexandria Chamber of Commerce called for the need to maximize control over fishing activities in order to preserve fish resources, which ultimately reflects on the stock of fish offered in the markets and contributes to the stability of their prices at appropriate rates.
He added that there is a need to study the date of fish reproduction and determine those seasons from the Institute of Marine Science, which determines the months in which the fish breed and the fishing is stopped, pointing out that several years ago the fishing was stopped for a month and a half each year before its cancellation in 2011.
Some pointed out that there are problems in the presence of irregularities and there are no acts of control by some employees or some of them are not qualified to carry out the work of control on the fisherman and the movement of fishing, pointing out that if the vessels work legally practiced fishing at a distance of 5 miles from the land will help in the re-formation of new fish wealth again.
At the beginning, Issam Mahmoud Ibrahim, the second deputy head of the fish division at the Alexandria Chamber of Commerce, stressed that the fish resources have been eaten as a result of the continued overfishing activities that some resort to.
Mahmoud stressed that fishing operations need to have control over them, pointing out that for decades there was control on the yarn that enters to be used in fishing and whether it is characterized by large or small rings so that small fish and escape from them.
Mahmoud pointed out that in the past also the fish that are caught with the arrival of the ships, and whether they contain small names or not, pointing out that as a result of the absence of control during the past years led to the current situation and eat part of the fish wealth.
He suggested the second deputy head of the fish division at Alexandria Chamber of Commerce to study the date of reproduction of fish and determine those seasons from the Institute of Marine Science, which determines those months to stop fishing, pointing out that the scarcity of fish affects the size of fishing.
Mahmoud explained that fishing was suspended during the months in which the fish breed for a month and a half every year, pointing out that this system, which was in place before but was canceled in 2011.
For his part, Arafa Ahmed Mohammed, one of the fish traders in the Anfoushi Fish Ring, said that the fishing business is witnessing a decline and there are no large quantities of fish and there are types of fish prices are very high.
Mohamed attributed this as a result of the cessation of fishing in several neighboring countries such as Libya and Tunisia, where he goes from Egyptian vessels for fishing and the presence of fish stocks.
He pointed out that the fish that come from the shores of Egypt are small quantities and most of the Egyptian ships go to the high seas in Tunisia and Libya or near the Italian borders in order to improve fishing and obtain quantities of fish, pointing out that some of these countries stopped fishing until September 15.
He stressed that the decline of the productivity of local fishing is the result of overfishing and the lack of fishing plans, as well as the infringing yarn used by fishermen without control, so the area of   the Egyptian beaches has no fish as a result of overfishing.
One of the fish traders in the Anfoushi Fish Ring pointed out that the concerned authorities are supposed to manage and follow up this matter, but some of the employees in these are appointed and do not have a great vision of the fishing work.
He pointed out that about 10 years ago there was a period in which fishing is stopped annually in the Egyptian shores from the beginning of May until the beginning of July and the result was good.
He pointed out that as a result of this stoppage, the fisherman did not find a source of income, pointing out that some foreign countries that apply such a system are taken into account fishermen when they stop working and raise resources for them.
One of the fish traders in the fish loop Anfoushi, that we need a real plan and not to appear in the media to develop the fish wealth and explained that the increase in the prices of diesel recently is a proportion and commensurate with the increase and the natural price of fish has been borne this increase, but in the case of increased diesel again only affect most fishermen in the next phase.
For his part, Mahmoud Fouad Al-Hamshary, First Deputy Head of the Fish Division at the Alexandria Chamber of Commerce, said that with regard to popular fish from mackerel, sardines and rocks, you will not find great problems.
He added that the problem will be in some other types such as bourbon, coral, saba and banana of all kinds and thus will increase their prices in the next period.
The former First Deputy Chairman of the Fish Division at the Alexandria Chamber of Commerce pointed out that if boats and ships work legally and distance themselves from fishing on land by a distance of 5 miles, the land begins to form fisheries again.
Al-Hamshari stressed that there are problems in the presence of irregularities, there are no work of control by some employees or some of them are not qualified to carry out the work of control on the fisherman and the movement of fishing.

### International Context
The UN special rapporteur on the right to food has acknowledged that many farmed fish are carnivorous species that require feed products harvested from wild fish stocks, creating pressure on wild fish populations and disrupting ecosystems.

However, specific international regulations governing additives in salmon feed are not detailed in the provided context documents.

## Conclusion
The context documents provide limited information about additives in salmon feed, highlighting primarily the use of fishmeal, fish oil, antibiotics, and formaldehyde.

These additives raise various health concerns, including potential carcinogenic effects, antibiotic resistance, and contamination with toxic chemicals.

What health concerns are there specifically related to additives in farmed salmon feed?

The regulatory framework, particularly in the EU, appears to lack sufficient monitoring and enforcement mechanisms to ensure the sustainability and safety of salmon farming practices.

As a nutritionist, it's important to consider these factors when recommending salmon to clients and to provide balanced information about both the benefits and potential risks associated with consuming farmed salmon.

Further research into specific additives, their purposes, and regulatory standards would be beneficial for providing more comprehensive guidance to clients.