JSS 1 Agricultural Science First Term Week 6 and 7
WEEK 6
Fishery : This is a special area of Agriculture which deals with the production and management of fish and other aquatic animals of agricultural importance.
Such animals include lobster, squids, shrimps, cray fish, oyster, prawns, periwinkles and crabs. These animals are rich sources of protein.
Snail Farming or Heliculture : Snails are invertebrates with soft bodies that are covered with hard calcareous shells.
They belong to the phylum called mollusca.
Heliculture, commonly known as snail farming, is the process of raising land snails specifically for human use, either to use their flesh as edible escargot, or more recently, to obtain snail slime for use in cosmetics, or snail eggs for human consumption as a type of caviar.
Importance of Snail farming*.
Source of Protein – Snail meat has high protein of about 37% – 51%.
It contains almost all the essential amino acids*.
Source of Iron – The iron content of snail is 45 -59 mg/kg. This high iron content is considered in the treatment of anaemia*.
Treatment of different ailments Snail can be used for the treatment of whooping cough, ulcers, asthma, high blood pressure, constipation, poor eye sight and pile.
*.Preparation of Animal feed – The shell of snail contains phosphorus and calcium and it can be crushed for the preparation of animal feed.
WEEK 7
Parts of a Plant, Functions of Plant Parts.
A plant is made up of many different parts. The three main parts are: the roots, the leaves, and the stem.
Each part has a set of jobs to do to keep the plant healthy.
The roots absorb water and minerals from the soil and anchor the plant in the ground.
The stem supports the plant above ground, and carries the water and minerals to the leaves.
The leaves collect energy from the Sun and make food for the plant, using an amazing process called photosynthesis.
