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Table 1 Timeline table of the information in the case report

From: First molecular detection and characterization of Marek’s disease virus in red-crowned cranes (Grus japonensis): a case report

Date

Clinical Observation

Intervention

Samples Collected

Aug 19-20

Red-crowned crane Aa: emaciation, reduced appetite.

Diagnostic check: Heart rate: 106 bp/min

Body temperature: 39.7°C

Weight: 1.6kg;

Crane Aa: astasia.

Rocephin (100 mg/kg) + Dexamethasone (0.25 mg/kg) + 0.9% NaCl 15 ml (intravenous infusion once daily for 3 days)

Vitamin C (100 mg/kg) + Vitamin B1(15 mg/kg) + ATP (5 mg/kg) + Inosine (15 mg/kg) + coenzyme A (15 IU/kg) + 10% glucose 15 ml (intravenous infusion once daily for 3 days)

10% glucose + mixture of fish and corn, orally, for 3 days

Calcium gluconate (25 mg/kg) + 10% glucose 15 ml (intravenous infusion once daily), for 1 day

Crane Aa:

•Histopathological examination of liver, heart, and spleen.

Three repeated samples were collected from each tissue.

The ratio of MDV-positive tissues:

Heart: 67%, liver: 100%, spleen: 67%.

•RNA extraction of feather, liver, spleen, kidney and muscle. Three of each.

Positive ratio of all samples was 100%.

•Genome extraction of muscle, feather, feather-pulp and spleen; three of each.

The positive ratio of all samples was 100%.

Crane Bb:

same as crane A.

Aug 21

Diagnostic check:

Heart rate: 156 bp/min

Body temperature: 39.8°C

Crane Aa died.

Aug 22

Clinical necropsy:

Nodules found in skin, muscle, liver, heart, trachea, and gizzard. (MD suspected).

Sept 11

Crane Bb:

obvious swelling of its left knee joint.

Musk analgesic aerosol, external use

Sept 12-17

Clinical improvement: Recovered appetite, left knee joint swelled

Musk analgesic aerosol + ichthammol ointment, external use

Calcium tablets (10 mg/kg) + Vitamin D2(500 IU/kg) + Vitamin A (1500 IU/kg), orally

Sept 18-19

Relapse, anorexia, depression

Sept 20

Crane Bb died.

Clinical necropsy: Inflammatory exudates; diffuse yellow-white nodules in muscle, liver, spleen, kidney, pancreas, gizzard, and heart.

  1. aCrane A: hatched on June 10, died on Aug 22, 2015. Body weight: 1.6 kg
  2. bCrane B: hatched on June 9, died on Sep 22. Body weight: 2.4 kg