aquaculture Articles
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Stocking Catfish / Aquaculture
Overview: To get a good crop of marketable fish it’s necessary to stock the pond with the correct number of fingerlings. Stocking too few fish may result in fast growth and large fish but this isn’t an economical use of the pond. However, stocking too many fish will result in slow growth and a large number of very small fish. Catfish If you are stocking catfish fingerlings to ...
By Fishward
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Stocking Tilapia / Aquaculture
Overview: To get a good crop of marketable fish it’s necessary to stock the pond with the correct number of fingerlings. Stocking too few fish may result in fast growth and large fish but this isn’t an economical use of the pond. However, stocking too many fish will result in slow growth and a large number of very small fish. Tilapia For all-male (monosex) culture of tilapia for ...
By Fishward
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Harvesting your fish / Aquaculture
With good management, your fish should be ready to harvest within six to nine months after stocking. By this time, tilapia should have reached a size of approximately 250-300g and catfish a size of 250-500g, depending on their size at stocking, the density at which they were stocked, and water temperatures during the growing period. Preparing for the harvest Make marketing arrangements well ...
By Fishward
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Aquaculture case study
Customer: USDA-ARS Catfish Genetics Research Unit,USA Casey C. Grimm from the Southern Regional Research Centre New Orleans, USA. This research was executed by Ph.D. Paul V. Zimba from the USDA-ARS Catfish Genetics Research Unit, USA and Casey C. Grimm from the Southern Regional Research Centre New Orleans, USA, utilizing the LG Sonic ultrasound technology in channel catfish production. An ...
By LG Sonic
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What Types Of Fish You Can Farm in Nigeria
Fish farming a profitable business in Nigeria, let’s now proceed to decide which specie of fish we want to farm. Below are some of the most popular fish species that is suitable for Aquaculture. 1. Catfish Even though Catfish is not the most popular fish in Nigeria, this fish species is by far the most cultivated in Nigeria. One thing good about catfish is that it is one of the easiest fish ...
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Pond fertilization / Aquaculture
Just as fish need good water quality conditions to thrive, they also need an abundant supply of food to grow. We can provide food for our fish in two different ways: We can give them “artificial” feeds that are prepared either commercially or at home, or we can ensure that they have an abundance of natural foods by using fertilizers to increase pond productivity. In either case, it is ...
By Fishward
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Pit Test Pond construction / Aquaculture
Overview: The pit test in pond construction helps you to determine whether the selected area is suitable to construct an earthen pond. Dig a pit in the land area being evaluated, fill it with water, and observe how well it retains that water (better yet, dig and test a number of pits throughout the area). Follow these steps: Dig a small pit about 50 cm in diameter to the probable depth of ...
By Fishward
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Ecological impacts of fluridone and copper sulphate in catfish aquaculture ponds
Fluridone and copper sulphate are often used for controlling macrophytes and algae in aquaculture ponds. The present study examined the ecological effects of these chemicals on macrophyte, phytoplankton, and zooplankton biomass, plankton community structure, water quality parameters, and fish survival and yield in catfish culture ponds using a randomized complete block design. The estimated ...
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The Science of Genetics & Its Application to Aquaculture
Genetics is defined as that branch of the biological sciences devoted to the study of inherited variation. Genetics investigations deal with the “why” and “how” of this variation, examining both the origin of inherited variability and the resulting outward expression of characters due to this variability. The applications of genetics in today’s society are far ...
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dry fish feed extruder machine philippines
dry fish feed extruder machine philippines Extrusion processing technology has become of major importance in the production of modern feeds used in intensive aquaculture. In recent years there has been a constant growth in the application of extruded diets for aquatic feeding. Aquatic feed by extrusion have superior water stability, better floating property and a higher energy than pelleted ...
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What Is a Fish Feed Pellet Equipment?
A fish feed pellet equipment is an necessary tool for the aquaculture market. It is a device that is especially developed to produce fish feed pellets that are made use of to feed different species of fish, consisting of tilapia, catfish, carp, as well as salmon. The equipment is created to take raw materials, such as corn, soybean, wheat, and various other grains, as well as ...
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Six characteristics of extruded feed
Our country is the world’s largest aquatic feed producer, and its aquatic feed production accounts for about half of the world’s total production. In recent years, among the rapidly developing aquatic feed varieties, extruded feed has developed most rapidly and has become a bright spot and growth point in the aquatic feed industry. However, under the conditions of puffing processing, the ...
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Why are antibiotic residues in farmed shrimp a big deal?
Introduction The accidental discovery of antibiotics, penicillin, by Alexander Fleming in the late 1920s (1) reshaped human and animal medicine. Initially the focus was on limiting the impact of infectious disease processes in humans. As their usage increased, it was observed that they also could play an important role in the production of animals and they eventually were deemed essential to ...
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Fish Farmers Can Produce Fish Feed Pellets Themselves In Nigeria
Nigeria is one of the leading producers of catfish in Africa. But this has been grossly inadequate to meet WHO’s protein requirement recommendation per person. This is made up by imports from Europe, South America, and the Far East. That is unnecessary while using the Minister of agriculture’s assertion that Nigeria’s aquaculture industry has the potential to serve the whole of ...
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Rising Meat Consumption Takes Big Bite out of Grain Harvest
http://www.earth-policy.org/data_highlights/2011/highlights22 World consumption of animal protein is everywhere on the rise. Meat consumption increased from 44 million tons in 1950 to 284 million tons in 2009, more than doubling annual consumption per person to over 90 pounds. The rise in consumption of milk and eggs is equally dramatic. Wherever incomes rise, so does meat consumption. As the ...
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Cost and profit of raising an acre of catfish?
Cost and profit of raising an acre of catfish? (1) Cost and profit of catfish farming (take China as an example) Catfish farming is a high-density aquaculture industry. fish food for catfish Basically, artificial farming is carried out by large investors or commercial enterprises. The breeding density of one acre is as high as 10,000 catties per acre. Calculated at 3 yuan per catty, the income of ...
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How To Start A Catfish Farming In Nigeria
Catfish farming in Nigeria is the cultivation of one or more finned fish primarily for commercial purposes. In this article, you will learn how to start your own successful catfish farming business in Nigeria. We will provide you with all catfish farming tips so you can start your own catfish farming for profit. In terms of aquaculture, catfish farming is the most profitable in Nigeria. By the ...
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Catfish Feed Production Formulation & Process
As is known to all, catfish has quite high nutritional value due to its good taste, delicate meat quality and its better dietary therapy function for those ill nourished people. With the sweet flavor and warm in property, catfish is in favor of urinating and treating edema, becoming good item to promote lactation and essential food material for women to nourishing after childbirth. Among the cost ...
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Start A Catfish Farm In Nigeria
Catfish farming in Nigeria is the cultivation of one or more finned fish primarily for commercial purposes. In this article, you will learn how to start your own successful catfish farming business in Nigeria. We will provide you with all catfish farming tips so you can start your own catfish farming for profit. In terms of aquaculture, catfish farming is the most profitable in Nigeria. Fusmar ...
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How do I start a home based fishing farm business?
Why Start a Fish Farming Business? Fish is a delicious and nutritious source of protein, rich in nutrients such as omega-3 fatty acids, which improve our heart health and lower blood cholesterol. Farmed fish play an important role in meeting global protein needs. The rise of fish in the home today opens up many lucrative opportunities. Home-raised fish can easily be sold nearby or around ...
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