Pigeon is one of the birds that in addition to have a special place in our civilization, is important in Islam religion too. There are lots of pathogens that sickens this bird, including viruses. In this research we focus ...

Shortage of water resources in Iran especially the Mashad area is a very severe problem due to the

prevailing condition of arid and semi-arid climate. Prolong droughts will affect the availability of water in Iran. Therefore Torogh Dam...