What is semi-intensive fish farming?

Semi-intensive farming systems account for about 70% of fish and crustacean aquaculture production in the tropics, employing semi-intensive feeding methods ranging from the use of low-cost pond fertilization tech- niques to high-cost complete diet feeding strategies.

What does semi-intensive fish culture mean?

Semi-intensive fish culture system is more prevalent and involves rather small ponds (0.5 to 1 hectare in an area) with higher stocking density (10000 to 15000 fish/ha). In this system, care is taken to develop natural foods by fertilisation with/without supplemental feeding.

What is semi-intensive pond?

Semi-intensive pond farming is the most common culture system for export oriented milkfish production and is responsible for approximately 70% of the exported milkfish volume. Most of the production takes place in coastal regions spread around the country. …

Is fish farming capital intensive?

Externally supplied inputs are limited; costs are kept low; capital investment is restricted; the quantity of fish produced per unit area is low. In brief, the control over the production factors is kept low. Besides this, intensive fish farming carries with it high costs or threats to the environment.

What are the benefits of intensive farming?

One of the fundamental advantages of intensive farming is that the farm yield is extremely high. With the help of intensive farming, supervision of the land becomes easier. The farm produce such as fruits and vegetables are less expensive when intensive farming techniques are employed.

What are main intensive farming practices?

The maximization is achieved through typical intensive farming practices like increased use of fertilizers, insecticides, abundant irrigation, heavy machinery land treatment, planting high-yield species, expansion of new areas, among others.

What are the advantages and disadvantages of semi-intensive system?

The principal advantages of this system are easy access for feeding, watering and egg gathering, good protection and reasonable investment. The principal disadvantage is the need for high quality litter.

What are the advantages and disadvantages of semi intensive system?

What is freeboard in fish pond?

The pond dykes should be about 0.5m above the water level (also called ‘freeboard’), to prevent the fish from jumping out. It is recommended that pond dykes have a gentle slope of about 2:1. This makes them strong and prevent them from undercutting and collapsing into the pond.

Why is intensive farming cheaper?

The farm produce such as fruits and vegetables are less expensive when intensive farming techniques are employed. The resultant food helps people in maintaining balanced and healthy diet. The entire process of farming has become more economical than ever before, and this is because of the intensive farming techniques.