Norwegian School of Veterinary Science, Department of Production Animal Clinical Sciences P.0. Box 8146 Dep. N-0033 0slo, Norway;
Tigray Regional State Science and Technology Agency, Tigray, Ethiopia;
Mekelle University College of Veterinary Medicine, Mekelle, Tigray, Ethiopia;
Mekelle University College of Veterinary Medicine, Mekelle, Tigray, Ethiopia;
Department of Pharmacology Black Lion Campus, Addis Ababa University College of Health Sciences, Ethiopia;
Mekelle University College of Veterinary Medicine, Mekelle, Tigray, Ethiopia;
Department of Pharmacy, Mekelle University, Mekelle, Tigray, Ethiopia;