Complication of Psittacine Beak and Feather Disease and Pacheco's Disease in a Budgerigar and Experimental Reproduction of PBFD

Molecular detection and characterization of beak and feather disease virus in psittacine birds in Tehran, Iran

Beak and feather disease virus (BFDV), a member of genus circovirus, is a small, non-enveloped, single stranded DNA virus. Although BFDVs are among the most well studied circoviruses, there is little to no information about BFDVs in Iran. The aim of the present study was to detect and identify BFDV molecules from the birds referred to the avian clinic of The Faculty of Veterinary Medicine, Tehr...

Psittacine beak and feather disease in Iran, molecular and histopathologic detection

a contrastive analysis of concord and head parameter in english and azerbaijani

این پایان نامه به بررسی و مقایسه دو موضوع مطابقه میان فعل و فاعل (از نظر شخص و مشار) و هسته عبارت در دو زبان انگلیسی و آذربایجانی می پردازد. اول رابطه دستوری مطابقه مورد بررسی قرار می گیرد. مطابقه به این معناست که فعل مفرد به همراه فاعل مفرد و فعل جمع به همراه فاعل جمع می آید. در انگلیسی تمام افعال، بجز فعل بودن (to be) از نظر شمار با فاعلشان فقط در سوم شخص مفرد و در زمان حال مطابقت نشان میدهند...

assessment of deep word knowledge in elementary and advanced iranian efl learners: a comparison of selective and productive wat tasks

testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...

Detection of Beak and Feather Disease Virus and Avian Polyomavirus Dna in Psittacine Birds in Poland

The first survey on the incidence of beak and feather disease virus (BFDV) and avian polyomavirus (APV) among the captive psittacine birds in Poland was presented in this study. Samples were collected between 2006 and 2009. A total number of 751 symptom–free birds from 31 genera and 59 species were tested for BFDV and APV by means of a PCR assay. BFDV was found in 25.3% and APV in 22.24% of the...