Which natural factor is more effective for the production of fish? [Solved] (2022)

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Which natural factor is more effective for the production of fish?

Water temperature is one of the most important physical factors affecting fish growth and production. Fish are cold-blooded animals which assume approximately the same temperature as their surroundings.... read more ›

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What are the factors affecting fish production?

Also, water level, turbidity, heavy rains or no frequent rains, air temperature, etc are some factors that affect the birth, growth, harvest and death in fishes [26]. Some physical, chemical/biochemical factors like water temperature, pH, alkalinity, hardness, etc are important to fish growth and mortality [33] .... continue reading ›

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What is the natural food of fish?

It may include detritus*, bacteria*, plankton* , worms, insects, snails, aquatic plants and fish. Their abundance greatly depends on water quality. Liming (see Chapter 5) and fertilization (Chapter 6), in particular organic fertilization, can help you to provide a good supply of natural food to your fish.... continue reading ›

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Which is the most important factor for aquaculture production?

Water quality is the most important factor affecting fish health and performance in aquaculture production systems. Good water quality refers to what the fish wants and not what we think the fish wants. This means that we must understand the water quality requirements of the fish under culture very well.... read more ›

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Which natural hormone is used for fish breeding?

The synthetic hormones hCG, LHRH-A, and DOM have been widely used to induce fish spawning (Zohar and Mylonas, 2001).... continue reading ›

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What is the most efficient fishing method?

LONGLINE: one of the most fuel-efficient catching methods, long-lining is used to capture both pelagic fishes (like tuna) and demersal (like flatfish.) It involves setting out a length of line, possibly as much as 80-100 km long, to which short lengths of line, or “snoods,” with baited hooks are attached at intervals.... read more ›

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What are the factors affecting production?

The factors of production are resources that are the building blocks of the economy; they are what people use to produce goods and services. Economists divide the factors of production into four categories: land, labor, capital, and entrepreneurship.... see details ›

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What are the types of fish production?

The main variations of fish farming systems
  • Completely closed system that is called integrated recycling system.
  • Flow-through/raceway that is called semi-closed system.
  • Open system that is called floating cage system.
20 Dec 2018
... continue reading ›

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What is the production process of fish?

Preliminary processing of freshwater fish usually consists of the following steps or unit processes: evisceration, deheading, scaling, cutting of fins and belly flaps, slicing of whole fish into steaks, filleting, skinning, grinding of skinned fillets and different combinations of the above (Figure 3.1).... read more ›

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What is the main source of fish?

Today, fish is the only important food source that is still primarily gathered from the wild rather than farmed—with marine capture historically accounting for >80% of the world's fish supply.... view details ›

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What are important factors when choosing where to fish farm?

Social and economic factors

The land identified for farm should be without legal issues and fish farming should be accepted by the local people. Other factors include availability of labour, electricity, medical facilities, and transportation.... view details ›

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What is the importance of fish production?

Fisheries and aquaculture also have a deep cultural significance and are more than more just sources of income or food supply; traditional fishery products such as fish sauce and fish-based condiments have always been important ingredients of people's daily diets and are not easily substituted.... see details ›

Which natural factor is more effective for the production of fish? [Solved] (2022)

How can fish production be increased?

Selective breeding for improved fish growth rates and conversion efficiencies. Technological developments in fish oil alternatives, other feed improvements, and disease control. Use of water recirculation and other pollution controls. Use of spatial planning to optimize aquaculture siting.... read more ›

Which hormone promote the growth in fishes?

Growth hormone (GH) and insulin-like growth factors (IGFs) play a major role in fish development and metabolism, and several studies have allowed discernment of a complex and tissue-specific collection of salmonid IGF-I transcripts (Ea-4, Ea-3, Ea-2, Ea-1), which are the result of the alternative splicing of the E- ...... continue reading ›

Which hormone helps in easy ovulation in fishes?

The mammalian gonadotropic hormones, the luteinizing hormone (LH) and the human chorionic gonadotropin (hCG), are effective in inducing maturation and ovulation in fishes (see Pickford and Atz, 1957; Ramaswami, 1962; Atz and Pickford, 1964; Sundararaj and Goswami, 1973, 1977a, b; Fontaine, M., 1976; Chaudhuri, 1976; ...... see details ›

Which of the following is used in fish feed formulation?

To make the 27 percent crude protein carp feed, we must mix 17/35.8 of rice bran with 18.8/35.8 soybean meal. So to make 100 kg of this feed we must mix 47.5 kg of rich bran with 52.5 kg of soybean meal.... see more ›

What is the most common method used for fishing?

Bait fishing, also called still fishing or bottom fishing, is certainly the oldest and most universally used method.... see more ›

Why are fish more efficient?

Seafood has lower weight-based feed conversion figures compared with terrestrial animals, suggesting greater production efficiency. Water plays a role as buoyancy allows fish to expend less energy in moving and staying upright.... view details ›

Why fish farming is more efficient?

Marine aquaculture operations typically have a smaller carbon footprint, and require less land and fresh water. They are more efficient at converting feed into protein for human consumption than beef, pork, and poultry.... see more ›

What is the most important factor in the production?

Land is generally considered one of the most important factors of production. Certain industries rely on land more than others. For instance, a real estate developer needs it to make good on its investments.... see more ›

What are the 4 factors production?

Economists define four factors of production: land, labor, capital and entrepreneurship. These can be considered the building blocks of an economy.... read more ›

Why is the factors of production important?

' Factors of production are the resources that allow us to create finished products and perform services. You can't create a product out of nothing. You can't even perform a service without labor, which is also a factor of production.... continue reading ›

Which of the following is suitable for fish farming Mcq?

Aquaculture MCQ Question 9 Detailed Solution

Tilapias are suitable for fish farming as they have many varieties and suitable for farming in all types of agro-climatic conditions.... see details ›

What are the 3 methods of production systems in fish farming?

Types of aquaculture systems

Water-based systems (cages and pens, inshore/offshore). Land-based systems (rainfed ponds, irrigated or flow-through systems, tanks and raceways). Recycling systems (high control enclosed systems, more open pond based recirculation).... see details ›

What are the 4 method of fish processing?

The four basic procedures used in the final processing of fish products are heating, freezing, controlling water activity (by drying or adding chemicals), and irradiating.... read more ›

What are the factors to be considered in order to produce quality fishery?

species; ease of preparation; appearance; odour; flavour; freshness; size; presence or absence of bones, blood and filth; absence of specific microorganisms; condition; packaging; composition.... read more ›

What is the production and management of fish called?

Pisciculture. Pisciculture is a branch of animal husbandry that deals with rearing and management of fish on large scale.... continue reading ›

What is the first phase of fish production?

Fingerling is the first phase of fish development, which occurs when they are still young. This step is usually conducted in specialized farms to increase efficiency.... read more ›

What are the 3 important source of fish?

Fish is a unique source of essential nutrients, including long-chain omega-3 fatty acids, iodine, vitamin D, and calcium. Fish, one of the most important sources of proteins and micro-nutrients, could become a potent weapon to combat malnutrition in India, but cultural and religious taboos come in the way of its use.... see more ›

Where is the most fish produced?

China. China tops our list as the largest fish producing country in the world, with an annual production of 58.8 million metric tons.... see details ›

Who is the first fish production in the world?

China is the ruler of the world's largest fish producer. This Panda country leaves far away its competitors, including India with a distance of six times more. With a total global fish production of 178.8 million tons, one third of the world's fish production comes from China.... see details ›

What is food fish called?

fish eaten as food. Fish and other sea animals such as shrimps are called seafood.... see more ›

What is the best fish?

The top 10 healthy fish to include in your diet:
  1. Salmon. Salmon is versatile and one of the best sources of omega-3 fatty acid, which is essential as the body cannot make it on its own so it must be obtained through food. ...
  2. Mackerel. ...
  3. Cod. ...
  4. Trout. ...
  5. Sardines. ...
  6. Crab. ...
  7. Haddock. ...
  8. Tuna.
6 Sept 2021

What is the best source of protein for fish?

The protein source must contain all essential amino acids for the fish to live. The best source of these for fish is animal protein, specifically fish meal.... read more ›

What are important nutrients for fish growth?

Nutrients requirement of fishes
  • Protein.
  • Carbohydrate.
  • Lipid.
  • Protein sparing effect of carbohydrate.
  • Fish feed ingredients and their digestibility.
1 Mar 2020
... see more ›

How do fish grow naturally?

To start a home-based fish farm, it is required to dig a fishpond or gather some fish tanks or containers for indoor fish farming. Water from a reliable source must be chosen; municipal supply water will be fine. Once you have got a pond or container setup, juvenile fish and some fish feed to start would be necessary.... read more ›

Which fertilizer is best for fish farming?

Generally phosphorus is the limiting primary nutrient most often missing in natural water supplies for good growth of planktonic algae. Therefore, phosphate fertilizers are usually the most effective inorganic fertilizers for fish ponds in most regions of the world.... continue reading ›

What abiotic factor is most important to fish?

Large scale studies done on fish movements have emphasized abiotic factors as most important (Jackson et al. 2001). Abiotic factors can be divided into physical or chemical factors. The most important physical factor is temperature whereas the most important chemical factor is dissolved oxygen content.... see details ›

What is a good condition factor for fish?

K value Comments 1.60 Excellent condition, trophy class fish. 1.40 A good, well proportioned fish. 1.20 A fair fish, acceptable to many anglers. 1.00 A poor fish, long and thin.... continue reading ›

What is the factor of production for fishing waters?

The factor of production represented by each of the following : Fishing waters \textbf{Fishing waters} Fishing waters: natural, we get fish from the ocean. An office building \textbf{An office building} An office building: physical capital, we use the office to produce other services and goods.... continue reading ›

What is natural method of fish propagation?

In a natural environment, the fish spawn in groups, in lakes and slow moving rivers, at a water temperature of 18 to 22°C. The egg attaches itself to vegetation and hatches within three days. In extensive cultivation they are spawned in small ponds.... see details ›

What is an example of an abiotic factor for a fish?

Abiotic factors are non-living components of the environment. Biotic factors are living components of the environment. Water and dissolved oxygen which enables the fish to breathe are the abiotic factors that enable the fish to survive in the pond.... view details ›

Which factor is an abiotic factor?

An abiotic factor is a non-living part of an ecosystem that shapes its environment. In a terrestrial ecosystem, examples might include temperature, light, and water. In a marine ecosystem, abiotic factors would include salinity and ocean currents. Abiotic and biotic factors work together to create a unique ecosystem.... read more ›

What are the factors affecting fish distribution?

In essence, fish need suitable environmental conditions to live and reproduce. The existence of good fish habitat is dependent on a number of factors, such as water flow, water quality, the presence of sufficient food, and the lack of excessive numbers of predators and competitors [26].... see more ›

How is condition factor and specific growth rate of fish determined?

The relationship between weight and length provides an index of the state of well-being of a fish (condition factor 'K'). Growth could also be measured by using certain other criteria such as glycine uptake by scales, hepatosomatic index, RNA:DNA ratio and protein retention in the tissues.... see more ›

What are the main factors of production?

Factors of production are resources that are the building blocks of the economy; they are what people use to produce goods and services. Economists divide the factors of production into four categories: land, labor, capital, and entrepreneurship.... see more ›

What are the 4 factors of production?

Economists define four factors of production: land, labor, capital and entrepreneurship.... view details ›

What is fish production short answer?

“Fish production or fish farming is a form of aquaculture in which fish are raised in enclosures to be sold as food.”... see details ›

What is the natural or artificial method of promoting reproduction and survival of fish?

Hypophysation is presently the most commonly used technique for the artificial propagation of fish. It is employed not only in propagation experiments, but also in the commercial production of millions of young fish.... view details ›

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