HERAWATI, OKTAVIA NINGTIAS (2025) STUDI KASUS: DETEKSI ANTIBODI INFECTIOUS BRONCHITIS VIRUS (IBV) PADA AYAM PETELUR DENGAN GANGGUAN REPRODUKSI DAN RESPIRASI MENGGUNAKAN UJI ELISA INDIRECT = CASE STUDY: DETECTION OF ANTIBODIES AGAINST INFECTIOUS BRONCHITIS VIRUS (IBV) IN LAYING HENS WITH REPRODUCTIVE AND RESPIRATORY DISORDERS USING THE INDIRECT ELISA TEST. Skripsi thesis, Universitas Hasanuddin.