Results 161 to 170 of about 16,405 (273)

Adaptation And Attenuation Of Very Virulent Infectious Bursal Disease Virus In Avian And Mammalian Cell Cultures For Vaccine Development [PDF]

open access: yes, 2007
Infectious bursal disease virus (IBDV) is an immunosuppressive virus causing infectious bursal disease (IBD) outbreaks since 1957. The economic impact of IBD is influenced by strain of virus, route of infection, intercurrent primary and secondary ...
Khor, Sok Fang
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Gambaran Patologi Bursa Fabricius Embrio Ayam Pascavaksinasi Gumboro Secara In Ovo Menggunakan Vaksin Lokal dan Komersial (PATHOLOGIC DESCRIPTION OF BURSA FABRICIUS CHICKEN EMBYROS AFTER IN OVO VACCINATED WITH LOCAL AND COMMERSIAL GUMBORO VACCINES)

open access: yesJurnal Veteriner, 2015
Bursa Fabricius is a target organ of gumboro virus infection which is often damaged after vaccinationusing hot intermediate gumboro live vaccine. The purpose of this study was to assess pathologic effect oflocal and commercial gumboro vaccines .
Sutiastuti Wahyuwardani   +2 more
doaj  

Aphids associated with shrubs, herbaceous plants and crops in the Maltese Archipelago (Hemiptera, Aphidoidea) [PDF]

open access: yes, 2011
A survey of the aphids associated with Maltese shrubs, herbaceous plants and crops was carried out. Sixty six aphid species were recorded from more than 90 species of host plants.
Azzopardi, Erika   +6 more
core  

Experimental Modification of the Growth of the Bursa of Fabricius

open access: yesPoultry Science, 1957
Abstract THE growth of the bursa of Fabricius in the domestic chicken has recently been characterized by Glick (1956). The bursae of all breeds studied began a period of definite involution during the second to third month after hatching. Several possible factors causing this involution are discussed in this paper. Jolly (1914) reported that rate of
openaire   +2 more sources

Effects of Selected Prebiotics or Synbiotics Administered in ovo on Lymphocyte Subsets in Bursa of the Fabricius, Thymus, and Spleen in Non-Immunized and Immunized Chicken Broilers [PDF]

open access: gold, 2021
Marianna Szczypka   +10 more
openalex   +1 more source

Pathogenicity Of A Malaysian Fowl Adenovirus Isolate In Specific Pathogen Free Embryonated Chicken Eggs And Chicks [PDF]

open access: yes, 2009
The pathogenic role of fowl adenoviruses (FAdVs) in disease outbreaks remained unestablished, as some findings showed that FAdVs are the primary infectious agents whilst others showed that these viruses can co-infect with other immunosuppressive agents ...
Yimer, Alemnesh Woldeyes
core  

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