Newcastle disease in ostriches (<i>Struthio camelus</i>): Field case and experimental infection

Samberg, Y.; Hadash, D.; Perelman, B.; Meroz, M.

doi:10.1080/03079458908418597

Cited by 31 publications

(28 citation statements)

References 2 publications

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“…ΚΤΗΝ. ΕΤΑΙΡΕΙΑΣ 2001, 52 (3) προκαλούν μηνιγγοεγκεφαλίτιδα, ραιβόκρανο, έλλειψη συντονισμού κινήσεων και υψηλή θνησιμότητα (>50%) 5 ' 22 . Η υποστηρικτική θεραπεία δίνει φτωχά αποτελέσματα, ε νώ ο εμβολιασμός με ενστάλαξη ζωντανού εμβολίου (στέ λεχος Hitchner Β1) στον οφθαλμό κατά τη 15η και 30η ή μερα της ηλικίας ακολουθούμενη από υποδόρια έγχυση κατά την 45η ήμερα παρέχει ικανοποιητική προστασία στα πτηνά.…”

Section: προσβολή από ιούςunclassified

The main medical problems of ostriches

Kritas

2018

J Hellenic Vet Med Soc

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ΠΕΡΙΛΗΨΗ. Η εκτροφή των στρουθοκαμήλων στη χώρα μας, όπως και στην υπόλοιπη Ευρώπη, αποτελεί νέα και προσοδοφόρα -όπως φαίνεται-μορφή κτηνοτροφικής απα σχόλησης. Στην ανασκόπηση αυτή επιχειρείται η ενημέ ρωση των Ελλήνων κτηνιάτρων για αρκετά νοσήματα που αναμένεται να συναντήσουν κατά την άσκηση πρακτικής στις εκτροφές αυτές. Επίσης γίνεται αναφορά και σε ορι σμένα νοσήματα, που ενώ θεωρούνται εξωτικά είναι επικίν δυνο να εισαχθούν με γεννήτορες στη χώρα μας. Παρατίθε νται λίγα γενικά στοιχεία και στη συνέχεια αναλύονται διά φορα μη τραυματικής αιτιολογίας νοσήματα που παρατη ρούνται στα πτηνά αυτά. Ανασκοπούνται παθολογικές κα ταστάσεις διαφόρων οργανικών συστημάτων (πεπτικού, α ναπνευστικού, νευρικού, μυοσκελετικοΰ, αναπαραγωγικού κ.λπ.), που οφείλονται σε ποικίλα αίτια (βακτηριακά, ιογε-νή, μυκητικά, παρασιτικά, τοξικά, σφάλματα διαχείρισης).

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Section: προσβολή από ιούςunclassified

The main medical problems of ostriches

Kritas

2018

J Hellenic Vet Med Soc

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“…Although clinical signs of NDV infection have been described in the ostrich and vaccination has been advocated to prevent disease (Samberg et al, 1989;Huchzermeyer, 1993), to the best of our knowledge there are no published reports on NDV vaccine efficacy studies in ostriches. The vaccination programme we describe, two intramuscular injections of an oil-based vaccine, proved to be safe and to have no side-effects.…”

Section: Discussionmentioning

confidence: 95%

Comparison of enzyme‐linked immunosorbent assay and haemagglutination inhibition test for the detection of antibodies against Newcastle disease virus in ostriches(Struthio camelus)

Cadman

Kelly²,

Angelis³

et al. 1997

Avian Pathology

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SUMMARYReactivity of ostrich sera to Newcastle disease virus (NDV) by enzyme-linked immunosorbent assay (ELISA) and haemagglutination inhibition (HI) test were compared. Ten-month old ostriches séronégative by both tests were vaccinated with an oil-based NDV vaccine on days 0 and 11. Significant levels of reactive antibodies were first detected on day 11 by ELISA (sample/positive ratio > 0.2 in 11/20 birds; 55%) and HI (titre > 1/8 in 10/20 birds; 50%). At the end of the experiment (day 37) all birds had significant antibody levels by ELISA, but only 16/20 (80%) by HI test. There was a sigmoidal relationship (r= 0.62, 3rd degree polynomial) between antibody levels detected by ELISA and by HI test. Antibodies reactive with NDV in naturally exposed ostriches from Zimbabwe and Botswana were also detected by ELISA (112/165; 68%) and HI (85/165; 52%).

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“…In addition to the experiment reported by Samberg et al (1989) already mentioned, several workers have described experimental infections of ostriches with ND viruses virulent for chickens. Allwright (1996) reported the failure in initial experiments to establish infection in 14-month-old ostriches by the oral route, but if given intravenousl y, 25% mortality occurred by sudden death and virus could be isolated from several organs, including a 10% isolation rate from meat.…”

Section: Experimental Nd Infections Of Ostrichesmentioning

confidence: 99%

“…Clinical disease in these birds consisted predominantly of general depression with central nervous system involvement. Samberg et al (1989) reported an outbreak in commercial ostriches kept close to commercial poultry in Israel. During the outbreak, 13 of 46 ostriches aged 5 to 9 months died following nervous disease signs, but no signs or deaths were seen in a neighbouring flock of 11-month-old birds.…”

Section: Nd In Zoo Ostrichesmentioning

confidence: 99%

Newcastle disease in ostriches (Struthio camelus) — a review

Alexander¹

2000

Avian Pathology

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Newcastle disease (ND) in ostriches was first reported in zoo birds in the 1950s. An outbreak of ND in commercial ostriches in Israel was reported in 1989, but of more significance were the ND infections of ostriches in southern Africa during the 1990s as a result of assumed spread from commercial domestic fowl. The latter outbreaks were of particular concern due to the boom in international trade in ostriches and their products at that time. ND virus appeared to spread only slowly through affected ostrich flocks, and the clinical signs and mortality seen varied considerably with age. In field and experimental infections, morbidity, mainly in the form of nervous signs, and mortality could be extremely high in young birds but low or absent in adults. Characterization of ND viruses isolated during outbreaks in ostriches has shown them to be indistinguishable from viruses infecting chickens in the locality. Experimental challenge has shown ND poultry vaccines to be protective in ostriches, and several workers have proposed vaccine regimens employing both live and inactivated vaccines, usually given more frequently and employing much higher doses than recommended for chickens. Indirect and blocking enzyme-linked immunosorbent assay (ELISA) tests have been developed for the detection of ND antibodies in ostrich sera. Although some reports have suggested problems using the haemagglutination inhibition (HI) tests, others have recorded good correlation between ELISA, HI and virus neutralization tests. Because of their size and, as a consequence, the method of rearing, ostriches are quite different to conventional poultry and respond differently, in terms of disease and spread, when infected with ND virus. However, at present, for the international control of ND, there would appear to be little alternative to treating ostriches as poultry for the purposes of trade.

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Newcastle disease in ostriches (Struthio camelus): Field case and experimental infection

Cited by 31 publications

References 2 publications

The main medical problems of ostriches

The main medical problems of ostriches

Comparison of enzyme‐linked immunosorbent assay and haemagglutination inhibition test for the detection of antibodies against Newcastle disease virus in ostriches(Struthio camelus)

Newcastle disease in ostriches (Struthio camelus) — a review

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