Table of Contents
What does cropping mean in fishery?
Cropping is the removal of marketable sized fish from the pond. Harvesting is the removal of fish from the pond.
What are the three stages of fish production?
Those who are part of the fish farming business are already familiar with the three phases that make up fish farming: fingerling, rearing and fattening. Each of these phases is composed of its particularities, requiring special handling and care for each of them.
Which is the best method of fish farming?
The intensive farming system is considered a high-cost method of fish farming, but it provides much higher rates of productivity.
What is the importance of fish farming?
The other important advantages of fish farming are that the production is carried out within easy reach of consumers and also the harvesting can be adjusted to demand, thus minimising distribution problems and spoilage.
Why do we need to grow crops?
Crops are the main need to feed our hunger. It is the source of income for farmers. Raw materials like starch, cellulose, and oil are extracted from the plants. Crops are the means of nutrition and are the source of survival.
What does it mean to harvest a fish?
Harvest – the number or weight of fish caught and retained from a given area over a given period of time.
What is fish breeding called?
pisciculture
The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. It is the principal form of aquaculture, while other methods may fall under mariculture.
What are the factors on which the method of fish cultivation depends on?
1 Water supply. An assured water supply of sufficient quantity and adequate quality is the most important factor to be considered when deciding on the suitability of a fish pond site.
How is fish production increased in a fish farm?
In these kinds of systems fish production per unit of surface can be increased at will, as long as sufficient oxygen, fresh water and food are provided. Because of the requirement of sufficient fresh water, a massive water purification system must be integrated in the fish farm.
What’s the difference between fish farming and aquaculture?
Fish farming or pisciculture involves raising fish commercially in tanks or enclosures such as fish ponds, usually for food. It is different from aquaculture, which is the farming of aquatic animals such as fish, crustaceans, molluscs and so on.
How are carps reared in a capture fishery?
The method incorporated here is generally pisciculture, as the yield of capture fishery is not very high. 5-6 species are reared in one water body. This selection of species is such that they have different food habits yet there is no competition for food. Common varieties reared are Rohu, Catla, Grass Carp, Common Carp, etc.
Which is the best definition of intensive cropping?
Intensive cropping: Growing number of crops on the same piece of land during the given period of time. Cropping intensity: Number of crops cultivated in a piece of land per annum is cropping intensity. In Punjab and Tamil Nadu, the cropping intensity is more than 100% (i.e. around 140-150%). In Rajasthan, the cropping intensity is less.