Pojavnost protutijela za virus zarazne anemije pilića u necijepljenih teških hibrida kokoši i tovnih pilića u Hrvatskoj

Autor: Marina Biđin, Vladimir Savić, Zdenko Biđin, Mirta Balenović, Darko Majnarić
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Veterinarski arhiv
Volume 80
Issue 6
ISSN: 1331-8055
0372-5480
Popis: The prevalence of antibodies against infectious chicken anemia virus (CAV) in unvaccinated broiler and broiler breeder flocks in Croatia was investigated in this study. Five broiler breeder flocks from four farms and six broiler flocks from four farms were serologically tested for the presence of antibodies against CAV. A total of 147 blood sera were collected and tested using enzyme-linked immunoabsorbant assay (ELISA). The ELISA results showed the presence of antibodies against CAV in 94.7% broiler breeder sera, while 26.6% broilers were found positive. The obtained results indicate a high prevalence of antibodies against CAV in broiler breeder flocks and naturally occurring horizontal CAV infection in four out of six broiler flocks without clinical symptoms of disease. This study indicates that there is no need for vaccination against CAV as long as broiler flocks are protected against infectious bursal disease and Marek’s disease that provides normal development of immunocompetency and age resistance to CAV infection.
Istražena je pojavnost protutijela za virus zarazne anemije pilića (VZAP) u necijepljenih teških hibrida kokoši i tovnih pilića u Hrvatskoj. Serološki je pretraženo pet jata s četiri farme rasplodnih kokoši i šest jata tovnih pilića s ukupno četiri farme. Prikupljeno je 147 uzoraka krvnog seruma i imunoenzimnom probom (ELISA) pretraženo na prisutnost specifičnih protutijela za virus zarazne anemije pilića. Protutijela za VZAP dokazana su u 94,7% uzoraka seruma rasplodnih jata i 26,6% tovnih pilića. Dobiveni rezultati dokazuju veliku pojavnost protutijela za VZAP u rasplodnih jata i prirodnu horizontalnu infekciju tovnih pilića u četiri od ukupno šest jata bez kliničkih simptoma bolesti. Provedeno istraživanje ukazuje na nepotrebnost cijepljenja protiv VZAP ako se jata zaštite od zarazne bolesti burze i Marekove bolesti, što omogućuje normalan razvoj imunosnog sustava i posljedično, dobne otpornosti na infekciju virusom zarazne anemije pilića.
Databáze: OpenAIRE
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