نتایج جستجو برای: poultry farms
تعداد نتایج: 40655 فیلتر نتایج به سال:
BACKGROUND Blood sucking mites are important avian ectoparasites which being found on bird species worldwide. Their presence are problematic for the producers either through potential direct effects on weight gain, egg production, sperm production in roosters or as nuisance pests on worker handle hens and eggs. The aim of this study was pointing out of the status of haematophagus mites. METHO...
INTRODUCTION This study investigated the antimicrobial resistance and clonality of Salmonella enterica serotype Kentucky in poultry and poultry sources in Nigeria, and compared the isolates with the clone of S. Kentucky STI98-X1 CIPR using (PFGE) and (MIC). METHODOLOGY Fecal samples from chickens and poultry sources (litter, water, rodent and lizard fecal samples) were collected from fourtee...
The presence of Salmonella was detected in 192 samples of poultry carcasses from poultry farms in Shiraz province (Iran). A total of 30 Salmonella isolates were found in chicken samples (15.6%), by conventional culturing and confirmed by PCR and serology methods. Strains of serogroup D1 were the most prevalent strains, followed by serogroups C1, B and C2. All strains were subjected to Salmonell...
TO THE EDITOR— Since its first detection in March 2013, the novel H7N9 avian influenza virus (AIV) has quickly spread among poultry and people in China. As of 16 February 2014, a total of 348 laboratory-confirmed human H7N9 infections in China have been confirmed by the World Health Organization [1–3]. The H7N9 virus has spread widely with little sign of infection among poultry [4]. Epidemiolog...
The indirect fluorescent antibody test (IFAT) revealed seropositivity to Coxiella burnetii in aged non-laying chickens in poultry farms in a prefecture in the central part of Japan. Seropositivity was 7%, and antibody titers ranged from 16 to 64. No DNA fragment specific for C. burnetii was detected in the chickens by nested-PCR. The prevalence of C. burnetii infection in a prefecture of Japan ...
The outbreak of highly pathogenic avian influenza (HPAI) H5N2 in Mexico in 1994 led to a clear increase in biosecurity measures and improvement of intensive poultry production systems. The control and eradication measures implemented were based on active surveillance, disease detection, depopulation of infected farms and prevention of possible contacts (identified by epidemiological investigati...
This presentation summarizes methods available for killing poultry during outbreaks of epizootic or zoonotic diseases. Available methods for killing poultry are listed and discussed with relation to practical aspects, biosecurity, animal welfare, occupational hazards and other pros and cons of each method. The stunning methods mentioned are blow to the head, electrical stunning and captive bold...
background: blood sucking mites are important avian ectoparasites which being found on bird species worldwide. their presence are problematic for the producers either through potential direct effects on weight gain, egg production, sperm production in roosters or as nuisance pests on worker handle hens and eggs. the aim of this study was pointing out of the status of haematophagus mites. metho...
A denaturing gradient gel electrophoresis (DGGE) assay was developed to rapidly discriminate species of avian Eimeria. Amplification by PCR of the small subunit ribosomal RNA gene (approximately 1,600 nucleotides) with Eimeria genus-specific primers followed by cloning and sequencing allowed us to carry out phylogenetic analyses and identify clone sequences to species level in most cases. Clone...
Prevalence and Characterization of Motile Salmonella in Commercial Layer Poultry Farms in Bangladesh
Salmonella is a globally widespread food-borne pathogen having major impact on public health. All motile serovars of Salmonella enterica of poultry origin are zoonotic, and contaminated meat and raw eggs are an important source to human infections. Information on the prevalence of Salmonella at farm/holding level, and the zoonotic serovars circulating in layer poultry in the South and South-Eas...
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