case_images: PMC4405692_01
case_images: Enlarged yellowish brown pale liver in the affected canary. Note the loss of coronary adipose tissue and the dark mucoid contents in the intestines.
case_images: vrf-6-089-g001.jpg
case_images: PMC4405692_01_vrf-6-089-g001.jpg
case_images: F1
case_images: The liver was significantly pale (yellow to light brown) and swollen (Fig. 1).
case_images: Liver contact smear. Degenerated cells (Black arrows). Note numerous unstained ghost-like bacilli covering all over the smear in the background, (Giemsa, 1000x).
case_images: vrf-6-089-g002.jpg
case_images: PMC4405692_01_vrf-6-089-g002.jpg
case_images: F2
case_images: Some ghost-like unstained micro-organisms resembling acid-fast bacilli were seen in both cytoplasmic background and intracellularly in the liver (Fig. 2) and also in the spleen.
case_images: Scratch smear from proventriculus mucosa. Numerous huge bacilli (arrow) identical to Macrorhabdus ornithogaster can be seen, (Giemsa, 1000x).
case_images: vrf-6-089-g003.jpg
case_images: PMC4405692_01_vrf-6-089-g003.jpg
case_images: F3
case_images: In both wet smear and stained smear acquired from proventricular mucosa, many giant bacilli resembling M. ornithogaster were seen (Fig. 3).
case_images: High magnification of thin histologic section of the liver. Too many tiny red acid fast bacilli scattered within the tissue, (Ziehl-Neelsen, 1000x).
case_images: vrf-6-089-g004.jpg
case_images: PMC4405692_01_vrf-6-089-g004.jpg
case_images: F4
case_images: Numerous acid fast bacilli were histologically observed using Ziehl-Neelsen stained thin sections of liver (Fig. 4), spleen, lung and kidney.