In this study, urease production was investigated among thirteen strains of Aspergillus niger seven strains isolated from soils of Semnan province in Iran and six strains obtained from Persian Type Culture Collection (PTCC). The enzyme production was screened in two submerged media quantitatively. The registered PTCC 5011 and the native S31 strains showed more urease production than the other e...

A major current problem in public health is the issue of antimicrobial resistance Escherichia coli humans and poultry. In Indonesia, multidrug-resistant E. are specific concern since such may cause problems humans. The prevalence chicken strains genes, which tet(A) tet(B) were investigated present study. total 57 swabs collected from layer broiler breeder farms West Java, used experiment. Eight...

To the Editor: Fluoroquinolone (FQ)-resistant Salmonella has been isolated from patients in Taiwan (1–7). Recently, a report further indicated that several patients were infected with Salmonella enterica serovar Schwarzengrund with high-level FQ resistance (1). S. Schwarzengrund has never been isolated from food animals in Taiwan. We report the isolation of FQresistant strains from pork and bro...

Controlling Salmonella in integrated broiler operation is complicated because there are numerous potential sources of Salmonella contamination, including chicks, feed, rodents, wild poultry operations, and the processing plant. The objective of this study was to investigate the distribution of Salmonella through all phases of two integrated broiler operations and to determine the key areas rela...

Background: Avian infectious bronchitis (IB) is a highly contagious viral disease which affects the poultry industry. The virus exists in a wide variety of genotypes, and phylogenetic analysis has been used to classify infectious bronchitis virus (IBV) strains. Aims: The object of the study is a molecular characterization of circulating IBV in Afghanistan as a ...

Newcastle disease (ND) is a major threat to poultry industry production throughout developing countries. The Newcastle disease viruses (NDVs) infecting industrialized and indigenous poultry in Iran are velogenic strains and responsible for the frequent outbreaks of ND in poultry farms even in vaccinated flocks causing serious economic losses in the commercial and indigenous poultry. However, va...