Question

Which are all the algae used as fodder.

Answer 1

Some of the more common used are Porphyra, Ulva lactuca, Alaria, Chlorella, Chondrus chrispus, Rhodymenia, ..

Answer 2

Answer:

• Algae are useful to man in a variety of ways. At least a half of the total

• carbon dioxide fixation on earth is carried out by algae through photosynthesis.

• Being photosynthetic they increase the level of dissolved oxygen in their immediate environment. They are of paramount importance as primary producers of energy-richcompounds which form the basis of the food cycles of all aquatic animals.

• Many species of Porphyra, Laminaria and Sargassum are among the 70 species of marine algae used as food.

• Certain marine brown and red algae produce large amounts of hydrocolloids (water holding substances), e.g., algin (brown algae) and carrageen (red algae) which are used commercially.

• Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to
• grow microbes and in preparations of ice-creams and jellies.

• Chlorella a unicellular alga rich in proteins is used as food supplement even by space travellers.

• Red algae =Gracilaria verrucosa, Chondrus crispus, Laver, Palmaria palmata

• Red algae =Gracilaria verrucosa, Chondrus crispus, Laver, Palmaria palmataBrown algae =Ascophyllum nodosum, Fucus vesiculosus, Himanthalia elongata, Undaria pinnatifida

• Kelps (brown algae) are used as fodder for cattle & chopped for sheep and chickens in Great Briten. Macrocysts species are food source of vitamins A & E