نتایج جستجو برای: layer chickens

تعداد نتایج: 304227  

Journal: :Journal of clinical microbiology 2003
Anders Miki Bojesen Mia Torpdahl Henrik Christensen John Elmerdahl Olsen Magne Bisgaard

Amplified fragment length polymorphisms (AFLPs) were used to characterize the genotypic diversity of a total of 114 Gallibacterium anatis isolates originating from a reference collection representing 15 biovars from four countries and isolates obtained from tracheal and cloacal swab samples of chickens from an organic, egg-producing flock and a layer parent flock. A subset of strains was also c...

2005
Peter Buttery

Low-fibre sunflower residue (SFR) included in the diet is a viable option for improving production in smallholder-owned poultry. Four hundred day-old broiler chicks (200 hybrid + 200 village chicks) were given broiler starter (1-28 days) and a low-fibre sunflower residue diet (29-84 days). On day 29 the chicks were randomly allocated to four treatments (2 types of chicks, 2 systems of housing):...

2011
N. A. Sani S. B. Oladele M. A. Raji N. D. G. Ibrahim

In an attempt to determine the seroprevalence of avian leukosis virus (ALV) in exotic broiler chickens and Nigerian local chickens in Zaria, Nigeria, a total of 600 sera (300 from exotic broiler chickens and 300 from Nigerian local chickens), obtained from the live bird market in Zaria, Nigeria, were tested for ALV p27 antigen by the antigen capture enzyme linked immunosorbent assay (ac-ELISA) ...

Journal: :Journal of Veterinary Medical Research 2021

Marek’s disease virus is a lymphomatous neuropathic of domestic fowl. In Egypt, poultry flocks are suffering from recurrent uprising MD outbreaks due to increased virulence the virus. this study, total 10 clinical samples were collected 6-8 months old vaccinated layer chickens depression, ataxia and paralysis. These examined for presence MDV by PCR using specific primers ICP4 gene. was detected...

Journal: :Veterinary microbiology 2009
Maswati M Amin Nyree D Phillips Tom La David J Hampson

Avian intestinal spirochaetosis (AIS) is a disease complex affecting adult laying and breeding chickens associated with infection by anaerobic intestinal spirochaetes of the genus Brachyspira. Options for control of AIS are limited, as few effective antimicrobial agents are registered for use in laying chickens. One of the two most commonly encountered pathogenic species in AIS is B. intermedia...

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