What is the major problem in fish farming?
So, a major problem in fish farming is the lack of availability of good-quality stock. To overcome this problem, ways have now been worked out to breed these fish in ponds using hormonal stimulation. This has ensured the supply of pure fish stock in desired quantities.
What are cultivable fishes?
Cultivable Fish Species • Cultivable fish species can be categorized of three types- 1) Indigenous or the native fresh water fishes. Exm. – Major Carps 2) Salt water fishes that are acclimatized to fresh water. Exm. – Chanos and Mullets 3) Exotic fish which is imported from outside of countery.
What are small indigenous fish species?
Potential cultivable indigenous small fishes microlepis, Notopterus notopterus, Puntius sarana, Labeo bata, Puntius ticto, Cirrhinus reba, Salmostoma bacaila, Nandus nandus, Anabas testudineus, Esomus danricus, Puntius chola, P. sarana, Glossogobius giuris, Danio devario, and Chanda nama etc.
What are the problems of fish farming in Nigeria?
Nigeria is blessed with numerous opportunities for large-scale aquaculture; however the challenges seem to over ride these opportunities. Constraints to production in the industry have been identified as recurrent high cost fish feed, poor water quality management, poor quality fish seed, technical know-how etc.
What is the major problems in fish farming How can it be overcome?
Answer
- Lack of water bodies to harvest fishes.
- Contamination caused by the pesticides.
- Pollution in the natural water bodies.
- Huge market demand which is comparatively greater than the production rate.
What are the qualities of culturable fish?
Adaptation to climate: The cultured species of fish should be able to adapt to the local climatic conditions of the farm. Tolerance: The fish should have the capacity to tolerate wide fluctuations in the physico chemical conditions such as oxygen, salinity, temperature etc of the water.
What are the types of fish culture?
(i) freshwater pond culture; (ii) rice-fish culture or integrated fish farming; (iii) brackishwater finfish culture; (iv) mariculture involving extensive culture and producing fish/shellfish (e.g., oysters, mussels, cockles) which are sold in rural and urban markets at relatively low prices.
Which of the following ornamental fish is an indigenous species?
Commercially important indigenous species
| Scientific Name | Common Name |
|---|---|
| Brachydanio rerio | Zebra fish |
| Chandra nama | Glassfish |
| Colisa chune | Honey gourami |
| Labeo nandina | Pencil gold labeo |
What is the meaning of indigenous species?
Definition(s) Species and communities that occur naturally, not as accidental or deliberate introductions, in an area. ( Source: Nature Conservancy Canada)
Why some fish farmers fail?
Poor Farm Location: Such as in a place with inadequate water supply, poor soils for pond construction (e.g. may be rocky), far away from markets and/or supplies, etc. The longer the fish stay in the pond after they have stopped growing, the smaller the profit margin. …
How can we improve fish farming?
to increase growth and production of fish; to improve their feed utilization and reduce feeding costs through better management practices such as a well-adjusted daily feeding ration or an increased availability of natural food through fertilization/liming.
Why are there so many fishes in Nigeria?
Fishes are known to be very common in Nigeria and they are quite affordable, it is a source of protein and a substitute for meat when enough money is not available. This article we will be giving you detailed wrote up about common and scientific names of fishes in Nigeria. Fishes are gill-bearing animals that lack limbs.
What are the three types of cultivable fish?
Cultivable Fish Species • Cultivable fish species can be categorized of three types- 1) Indigenous or the native fresh water fishes. Exm.- Major Carps 2) Salt water fishes that are acclimatized to fresh water. Exm.- Chanos and Mullets 3) Exotic fish which is imported from outside of countery.
What kind of Business is fish farming in Nigeria?
Fish farming, therefore, is a process of raising fish commercially in tanks, ponds, or other artificial bodies of water for the purpose of producing food. It is a profitable business that’s widespread across various parts of Nigeria. As mentioned earlier; demand for fishery products can never be satiated.
What kind of fish is called Snakehead in Nigeria?
This is a very popular fish in the Northern part of Nigeria, it is called the snakehead because of its shape which looks like a snake, the fish actually looks like a snake, it has scales on the body and its skin looks like that of a snake.