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Research (Published online: 22-09-2015)

13. Assessment of blood changes post-challenge with Corynebacterium pseudotuberculosis and its exotoxin (phospholipase D): A comprehensive study in goat - Z. K. H. Mahmood, F. F. Jesse, A. A. Saharee, S. Jasni, R. Yusoff and H. Wahid

Veterinary World, 8(9): 1105-1117



   doi: 10.14202/vetworld.2015.1105-1117


Z. K. H. Mahmood: Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang,

Selangor, Malaysia;

F. F. Jesse: Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang,

Selangor, Malaysia;

A. A. Saharee: Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang,

Selangor, Malaysia;

S. Jasni: Department of Microbiology and Pathology, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Malaysia;

R. Yusoff: Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang,

Selangor, Malaysia;

H. Wahid: Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang,

Selangor, Malaysia;


Received: 23-03-2015, Revised: 16-08-2015, Accepted: 22-08-2015, Published online: 22-09-2015


Corresponding author: F. F. Jesse, e-mail:

Citation: Mahmood ZKH, Jesse FF, Saharee AA, Jasni S, Yusoff R, Wahid H (2015) Assessment of blood changes post-challenge with Corynebacterium pseudotuberculosis and its exotoxin (phospholipase D): A comprehensive study in goat, Veterinary World 8(9): 1105-1117.

Aim: There is very little information regarding blood changes during the challenge of phospholipase D (PLD) in goats. Therefore, this experiment was conducted to study the changes in blood after the challenge with Corynebacterium pseudotuberculosis and its exotoxin, PLD to fill in the gap of caseous lymphadenitis (CLA) research.

Materials and Methods: Twenty-six crossbred Boer goats aged 12-14 months were divided into 3 groups; the first group n=6 was inoculated with 1 ml phosphate buffered solution s.c. as the control. The second group n=10 was inoculated with C. pseudotuberculosis 1 × 109 cfu s.c. The third group n=10 was intravenous injected with PLD 1 ml/20 kg body weight. Serial blood collections were done at 1 h, 3 h, 5 h, 8 h, and 12 h then every 24 h post-inoculation for the first 30 days of the experiment. Subsequently, the blood collection continued twice a week till the end of the experiment (90 days post-challenge).

Results: Both C. pseudotuberculosis and PLD treated groups showed significant changes (p<0.05) in red blood cell count, hemoglobin (Hb), packed cell volume, mean corpuscular volume, mean corpuscular Hb concentration, white blood cell count, neutrophils, lymphocytes, monocytes, eosinophils, basophils, globulin, and total plasma proteins. Similarly, both treated groups showed significant changes (p<0.05) in alanine transaminase, alkaline phosphatase, aspartate transaminase, total bilirubin, calcium concentration, creatine phosphokinase, creatinine, gamma-glutamyl transpeptidase, urea concentration, lactate dehydrogenase, prothrombin time, and activated partial thromboplastin time.

Conclusion: It concluded that C. pseudotuberculosis and PLD have a negative impact on the goat’s health in general reflected by all those changes recorded in the hemogram, leukogram, and the blood chemistry.

Keywords: blood biochemistry, blood changes, caseous lymphadenitis, goat, Corynebacterium pseudotuberculosis, hemogram, leukogram, phospholipase D.

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