نتایج جستجو برای: poultries
تعداد نتایج: 45 فیلتر نتایج به سال:
materials and methods a total of 300 day-old broiler chicks (ross 308) divided into three equal groups (1 to 3) .the chicks in group 1 were immunized with killed aiv h9n2. the chicks in group 2 were infected with ai virus subtype h9n2. the chicks in group 3 were kept as controls and did not receive any vaccined or lived virus. chicks sera were collected at day 42 usingrns1-elisa and commercial ...
In March and early April 2013, a new Avian-Origin Influenza A (H7N9) Virus (A-OIV) emerged in the eastern China. This virus has caused global concern as a potential pandemic threat. Here we use evolutionary analysis to reconstruct the origins and early development of the A-OIV viruses. We found that A-OIV was derived from a reassortment of three avian flu virus strains, and substantial mutation...
background : ticks are important vectors and reservoirs of crimean congo hemorrhagic fever (cchf) virus. human beings may be infected whenever the normal life cycle of the infected ticks on non- human vertebrate hosts is interrupted by the undesirable presence of humans in the cycle. a total of 26 species of argasid and ixodid ticks have been recorded in iran; including nine hyalomma, two rhipi...
Background and Objective: Microbial food safety and food borne pathogens with antibiotic resistance or multidrug resistance is an increasing public health concern worldwide. Campylobacter is one of the most common causes of acute bacterial gastroenteritis in human, especially in children. The objects of our study were to determine the frequency and antibiotic resistance pattern of thermopilic C...
in this article, i tried to study the influence of sasanid simurgh on the islamic and western art. the immigration of this mystic (simurgh) started from the sasanid period and continued after the fall of sasanid by the arabic invasion. this deportation happened through the cultural and commercial exchanges, and the imperial presents sent to the other empires by sasanid kings. sasanid simurgh is...
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