Fish factory

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Small scale fish factory next to a pier at the NW end of the main road on the Kincasslagh Peninsula. Kincasslagh Peninsula - Fish factory near pier - geograph.org.uk - 1171493.jpg
Small scale fish factory next to a pier at the NW end of the main road on the Kincasslagh Peninsula.

A fish factory, also known as a fish plant orfish processing facility, is a facility in which fish processing is performed. They are commonly located near bodies of water but can be located inland and on fishing vessels. The availability and variety of fish influences the scale of fish factories and the processing methods they utilize. The modernization of these facilities has promoted the use of machinery to increase production speed in order to meet the increasing global demand. Heightened demand has led to the increased production of fish and fish products which after processed result in large quantities of pollutants namely fish waste. Fish factories are held accountable for their product quality and are subject to a variety of health and safety regulations. Most regulations applicable to fish factories are limited, there are no universal regulations. Byproduct recovery is a method of waste mitigation that utilizes the waste produced by fish factories to produce other products and reduce the percentage of a fish's overall weight that becomes waste.

Contents

Factory processing

Fish factories are facilities in which fish processing is performed to produce a variety of seafood products. Fish processing is the preparation of seafood goods in which the desired parts of a fish are separated from the undesired parts which are often unsuitable for human consumption. Fish factories process a variety of fish, the preparations required for processing fish are determined by the species and quality of the fish in addition to the desired product; each species requires specific methods of processing to ensure consumer safety and product quality. [1] There are many aspects to the production of seafood goods in fish factories: sourcing, possessing, packaging, storage and transporting; every step of the prosses ensures the quality of the seafood and adds value to the final product.

Fish factories are highly selective when sourcing fish for processing as different species have different percentages of fats, bone, mass, and other desired components making them better suited for certain products. After fish are processed they are then prepared and packaged for consumers and retailers. The packaging of the final product makes it more appealing to consumers and serves to make storage and transportation convenient; packaging prevents leakage, odder and contamination thus increasing marketability and the overall value of the product. [2] The highly perishable nature of seafood requires the refrigerated transportation of fresh fish and of the final product to and from fish factories to ensure product quality.[ citation needed ]

Facilities

Appearance

Fish factories are indoor facilities that are temperature regulated, well ventilated, and often have multiple points of drainage. In most countries the interiors of fish factories are white or light colored, water resistant and have tall ceilings that increase capacity and accommodate for machinery. In fish factories processing is separated into different stations which are most commonly divided into separate rooms or individual areas. Cold storage areas and cooking areas are separated from other stations as they require independent temperature regulation. Some of the equipment that can be commonly found in fish factories are metal tables, wash basins, trays, buckets, crates, water hoses, conveyor belts, and other tools used for manual processing. Large machinery and water tanks are commonly found in larger facilities that can accommodate for their size. Fish factories can consists of multiple buildings that can be interconnected or located in close proximity to each other. The facilities in fish factories can be separated into the main factory, storage facilities, loading areas, entrance and parking areas. Generally, factories are constructed as rectangular buildings as they maximize the usage of available space. Additionally, if the factory is located near a shore, they may have a private docking area.

Location

The location of a fish factory will affect production by determining the availability of certain species of fish, the most frequently used methods of processing, investments made into processing equipment, and the products produced. Fish factories can be located inland, near bodies of water and on fishing vessels. Often fish factories are located on or near shores as the accessibility to fresh fish facilitates the transportation of fish to and from fish factories. Inland fish factories are limited in the variety of fish they can process due to the increased distance required for the transportation of fish, these factories are often located near fish farms which they may own or source their fish from. Fish factories can also be located on fishing vessels where fresh fish can be immediately processed to preserve the fish and extend its shelf life.

Size

Fish factories range in the size and in the variety of fish species which they process. [3] The availability, variety, and profitability of local fish influences the scale of fish factories. Higher profitability and variety of local fish promotes larger operations such as industrialized fish factories that may consist of multiple buildings constructed on multiple acres, and facilitates smaller family owned and community-based operations. The scale of a fish factory influences its’ capacity for processing and in general its annual profits, choosing methods that are best suited for their scale maximizes profits. [4] Large factories utilize machinery to increase production speed and profitability while smaller factories mainly focus on manual labor to reduce operation cost increase their profits. Smaller fish factories tend to focus on producing a limited variety of products as most of their profits are made from local and regional sales; larger fish factories produce a greater variety of products and process a larger range of fish species to meet national and global demand.

Sourcing

Some species of fish, such as mackerel and herring, and can be caught at sea by large pelagic trawlers and offloaded to fisheries and fish factories within a few days of being caught. Alternatively, fish can be caught by factory ships which are offshore fish factories that can do the processing themselves on board. Some fish factories have fishing vessels that catch fish for them at a given times of the year. This has to do with conflicting quotas and seasons that impact when certain fish can be landed and how much can be caught within those time frames. Wild caught fish from fisheries and fishing vessels provide a significant amount of seafood to the fish processing industry but cannot keep up with global demand.

Aquaculture also referred to as fish farming is a method of fish production where fish are raised in large tanks or manmade bodies of water in order to supplement the global demand for fish that wild caught fish cannot fulfill. [5] Fish factories require secure and reliable sourcing in order to ensure product quality; building relations with fish farms has proven beneficial for fish factories as they are reliable sources that can provide large quantities of fish. The mutually beneficial relationship between these two industries has led to the connecting of some fish factories and fish farms, which allows factories to secure sufficient product to meet demands.

Older vs newer factories

Due to the difficulty of preserving seafood and the easier access to water older factories would be located on coasts, riverbanks and lake shores. However, newer factories can also be located further inland. The improvement of refrigeration in transportation has improved the preservation of seafood allowing it to be processed further inland. Additionally, modern methods of ground water pumping and plumbing provide greater accessibility to water allowing factories to be located further from rivers, lakes and shores.

Some of the oldest fish factories were outdoor facilities made of stone and wood, housing large wash basins and tables where delicate manual processing would take place. As architectural methods of construction and technology improved eventually fish factories developed into tall, structurally re-enforced indoor facilities utilizing machinery and modern plumbing. The technological advancement of machinery, ventilation, temperature regulation, and plumbing led to the modernization of fish factories, increasing the use of machinery in processing facilities. Some processes can be fully automated with the use of modern machinery, but others require more traditional methods of delicate and intensive manual labor.

Product demand and pollution

Global demand for seafood has seen a steady increase over the years, this increasing demand has led to an increase in fish processing and demand from fish factories. The high global demand for seafood production has generated large quantities of fish waste most commonly in the form of fish discards. Some fish species contain large portions that are non-edible; after processing 20%-70% of a fish’s overall weight is discarded and becomes waste which contributes to the high levels of unavoidable fish waste derived from fish processing in factories. [6] The total annual production of fish in any given year is used to estimate the expected fish waste produced, in 2016 it was estimated that 73 million tons of fish were produced and based on that statistic it was estimated that the waste produced that year was 52-80 million tons. [6] The large quantities of fish waste produced annually are a result of the growing demand from the global market for the production of millions of tons of fish every year.

The fish processing industry utilizes a considerable amount of energy and contributes to various global waste issues. The consumption of energy used to operate machinery in fish factories and transport products produces carbon emotions and gracious pollutants. The processing of fish results in both liquid and solid fish wastes in addition to contaminated water. [7] Fish waste is often discarded in landfills and into coastal waters. Improper mitigation of waste and pollutant emotions from fish processing contributes to global warming and impacts local ecosystems. The dumping practices for solid and liquid fish waste by fish factories in particular carry damaging effects for local environments. Dumping can alter natural food webs and contribute to increased levels of carbon and nitrogen present in an ecosystems. Coastal dumping in particular can increase oxygen consumption and negatively impacting biodiversity in the ocean and reducing the density of key organisms like benthos, plankton and nekton. [5]

Landfilling and dumping are common methods for the disposal of seafood by-products, generally these methods are regulated or restricted to some extent in most countries, but they are not applied uniformly across the fish processing industry and fish factories. Small scale and remote factories can receive exemptions from landfilling restrictions and regulations due to convenience based on their location and lower output of waste in relation to larger facilities. Fish waste has the potential to impact local environments and marine environments, this potential is the reason why countries and unions create regulations to manage waste and reduce potentially harmful waste practices. Existing waste management regulations are limited however, each country sets its own standards and regulations making universally enforced waste management practices non-existent. [6]

Health and safety regulations

Much like waste management regulations, health and safety regulations vary by country. Regulatory bodies, local agencies and organizations like the Food and Agriculture Organization or the World Health Organization of the United Nations enforce health and safety standards on fish factories. Prominent regulations that are most commonly enforced apply to water quality, machinery, facilities and employed workers. [2]

According to the U.S. Department of Labor, Bureau of Labor Statistics, in 2011-2017 seafood processing workers had an injury-illness rate of 6,670 per 100,000 workers, the highest rate for injury-illness out of all U.S. maritime workers. [8] The hazardous nature of fish factories and processing facilities exposes employees to various health and safety risks, the regulations enforced on workers serve to protect their health and safety while preserving the quality of the product they handle.

Producer accountability

The quality of a product is the responsibility of the producer; potential contaminants such as disinfectants, local chemical contaminants and seafood contaminants can compromise the quality and safety of a product. It is the responsibility of a factory to monitor potential contaminants to ensure the safety and quality of their products; implementing quality control and following regulations at every step of the processing ensures product safety.

Byproduct utilization

The unrecognized value of perceived waste contributes to industrial waste from fish processing industry. According to the FAO in 2000 the estimated production of fish was 131 million tones, and about 26% of that was not used for human consumption and instead used in the production of other products such as fish oils and fish meal. [5] Out of the millions of tons of fish produced annually a significant percent is not suitable for human consumption and becomes fish discards and waste when processed. Although these discards are not suitable for human consumption they can be utilized in the production of other products. Currently only a fraction of byproducts from fish processing such as fish discards are utilized, these byproducts contain various extractable organic compounds that go unused and are often discarded as waste. [6] Utilizing fish byproducts would decrease the waste produced from fish processing in fish factories and make use of a higher percentage of a fish’s total weight.

The general quality of a fish encompasses health, nutrition, age and species. These factors impact the nutritional value and percent of extractible organic compounds such as oils, lipids, fats, and collagen which can be obtained from a fish and its byproducts. Different species have higher or lower contents of desired components and compounds, this influences how much of their weight becomes waste and impacts its’ byproduct usability for different purposes. [5]

See also

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References

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