Gambaran Patologi Anatomi dan Histopatologi Organ Pertahanan Itik Bali Pascainfeksi Buatan Avian orthoavulavirus 1 Isolat Tabanan-1/ARP/2017

  • M. Farhan Al Ma'arif Mahasiswa Sarjana Pendidikan Dokter Hewan, Fakultas Kedokteran Hewan, Universitas Udayana, Jl. Sudirman, Denpasar, Bali, Indonesia, 80234;
  • Anak Agung Ayu Mirah Adi Laboratorium Patologi Veteriner, Fakultas Kedokteran Hewan, Universitas Udayana, Jl. Sudirman, Denpasar, Bali, Indonesia, 80234
  • Ida Bagus Oka Winaya Laboratorium Patologi Veteriner, Fakultas Kedokteran Hewan, Universitas Udayana, Jl. Sudirman, Denpasar, Bali, Indonesia, 80234
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Abstrak

Penelitian ini bertujuan untuk mengetahui perubahan patologi anatomi dan histopatologi organ timus, bursa Fabricius, dan limpa itik bali yang diinfeksi virus newcastle disease atau Avian orthoavulavirus 1 isolat Tabanan-1/ARP/2017. Penelitian ini menggunakan 15 ekor itik bali jantan berumur satu minggu. Setelah periode aklimatisasi selama dua minggu dan pengukuran titer antibodi ND dalam serum itik menunjukkan hasil di bawah angka 23 HI unit, selanjutnya sejumlah 10 ekor itik diinfeksikan dengan AOAV-1 isolat Tabanan-1/ARP/2017 dengan dosis 0,5ml/27 HA unit secara intraokular (P1) dan 5 ekor itik lainnya diberikan 0,5 ml larutan phosphate buffered saline melalui rute yang sama sebagai kontrol (P0). Nekropsi kemudian dilakukan pada itik yang mati dan dilakukan pemeriksaan patologi anatomi terhadap organ pertahanannya. Selanjutnya organ tersebut diproses dan dipulas dengan pewarnaan Hematoksilin-Eosin, lalu dilakukan pemeriksaan histopatologi. Hasil penelitian menunjukkan bahwa infeksi AOAV-1 isolat Tabanan-1/ARP/2017 pada itik bali dapat menyebabkan perubahan patologi anatomi berupa lesi foki nekrotik pada limpa dan atrofi pada timus. Sementara pada gambaran histopatologi menimbulkan deplesi sel limfoid berderajat parah pada organ timus dan bursa Fabricius, serta deplesi sel limfoid berderajat ringan pada organ limpa.

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Department of Veterinary Pathology

Referensi

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Diterbitkan
2022-05-12
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AL MA'ARIF, M. Farhan; ADI, Anak Agung Ayu Mirah; WINAYA, Ida Bagus Oka. Gambaran Patologi Anatomi dan Histopatologi Organ Pertahanan Itik Bali Pascainfeksi Buatan Avian orthoavulavirus 1 Isolat Tabanan-1/ARP/2017. Buletin Veteriner Udayana, [S.l.], p. 659-667, may 2022. ISSN 2477-2712. Tersedia pada: <http://ojs.unud.ac.id/index.php/buletinvet/article/view/86256>. Tanggal Akses: 20 feb. 2026 doi: https://doi.org/10.24843/bulvet.2022.v14.i06.p08.
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