Results 11 to 20 of about 2,322,899 (300)

Bacterial communities of the oviduct of turkeys

open access: yesScientific Reports, 2022
Bacterial communities in the reproductive tract of avian species play an important role in keeping birds healthy and encouraging growth. Infection can occur during egg formation with pathogens that can be transmitted to the embryo.
Olimpia Kursa   +3 more
doaj   +1 more source

Isolation, molecular characterization and pathogenicity studies of infectious bursal disease field virus isolates [PDF]

open access: yesJournal of Veterinary Medical Research, 2008
This study was carried out to investigate the prevalence, molecular characterization and pathogenicity of field infectious bursal disease virus (IBDV) isolates. Nine isolates of IBDV were isolated from 13 naturally infected broiler flocks.
M. M. Amer   +5 more
doaj   +1 more source

The efficacy of live infectious bursal disease vaccines in commercial 10 days old chicks. [PDF]

open access: yesJournal of Veterinary Medical Research, 2008
The efficacy of four infectious bursal disease virus (IBDV) vaccines including intermediate (D78) and intermediate plus (228E, IBD-Blen and Bursa-Vac+) were compared in priming  vaccination of 10 days commercial old male layer chicks.
M. M. Amer   +5 more
doaj   +1 more source

Detection of fowl adenovirus D strains in wild birds in Poland by Loop-Mediated Isothermal Amplification (LAMP)

open access: yesBMC Veterinary Research, 2020
Background The present study on the role of strains of adenovirus in wildlife reservoirs, and their prevalence is under exploration. In several previous studies, the presence of adenovirus strains in wild birds has been investigated.
Jowita Samanta Niczyporuk   +4 more
doaj   +1 more source

SOME STUDIES ON HAFNIA ALVEI IN CHICKENS [PDF]

open access: yesKafrelsheikh Veterinary Medical Journal, 2011
This study was aimed to study the epidemiology and the possible ways of treatment of  Hafnia alvei (H. alvei) as an enteric pathogen in laying hens during the period from 2007-2010.
M. H. Awaad   +4 more
doaj   +1 more source

Immunomodulating and zootechnical effect of some bacterial components on broiler chicken vaccinated with Newcastle disease vaccine [PDF]

open access: yesJournal of Veterinary Medical Research, 2010
This study was carried out to evaluate the immunomodulating effects of, inactivated cells of Propionibacterium acnes and cell wall lipopolysaccharide (LPS) of the a pathogenic E.
M. F. El-Kady   +3 more
doaj   +1 more source

Serotype-specific role of antigen I/II in the initial steps of the pathogenesis of the infection caused by Streptococcus suis

open access: yesVeterinary Research, 2017
Streptococcus suis is one of the most important post-weaning porcine bacterial pathogens worldwide. The serotypes 2 and 9 are often considered the most virulent and prevalent serotypes involved in swine infections, especially in Europe.
Sarah Chuzeville   +7 more
doaj   +1 more source

DETECTION OF SOME VIRULENCE GENES IN SALMONELLA SPECIES ISOLATED FROM DUCKS AND DUCK EGGS [PDF]

open access: yesAssiut Veterinary Medical Journal, 2020
Four hundred and fifty (450) samples were collected, 200 from internal organs (liver, caecum, gall bladder and spleen) of 50 ducks, 200 from internal organs of 50 ducklings and 50 unhatched duck eggs (dead in shell embryo) from different farms and ...
M.I. EL-GAOS   +2 more
doaj   +1 more source

The prevalence of Infectious Bronchitis (IB) in some chicken farms in Egypt: I. Spotlight on the status of IB outbreaks in some chicken flocks [PDF]

open access: yesJournal of Veterinary Medical Research, 2010
Twenty five isolates of IBV were isolated from 36 broiler and layer chicken farms collected from 13 governorates during 2 years started from January 2003. Sixteen farms were vaccinated against IB, and 9 farms were not vaccinated.
K. M. Kamel   +3 more
doaj   +1 more source

Changes in poultry handling behavior and poultry mortality reporting among rural Cambodians in areas affected by HPAI/H5N1. [PDF]

open access: yes, 2009
BACKGROUND: Since 2004, 21 highly pathogenic avian influenza H5N1 outbreaks in domestic poultry and eight human cases have been confirmed in Cambodia. As a result, a large number of avian influenza education campaigns have been ongoing in provinces in ...
Inst Pasteur   +35 more
core   +1 more source

Home - About - Disclaimer - Privacy