Abstract:
Azolla is an aquatic fern that is characterized by its rapid biomass multiplication if the suitable requirements are provided. The results of this study concluded that azolla can be cultivated in all regions in Lebanon except in Baalbek and Beqaa. Due to its high nutritional value especially the protein, azolla can be used as alternative source of cattle feed. Its has been signified that if azolla is totally used as alternative source of feed it can provide (114.87 %) of the needed energy, 164.6% of the needed protein, 334 %,184% and 100% of the needed calcium, phosphorus, and magnesium with 27.08% as a maximum economical saving
