Bacteriological and Pathological Studies of Mammary Glands Affections in Camels (Camelus dromedarius) at Tumbool Abattoir, Sudan

Abstract

Aims of the Study: To isolate and identify the bacteria associated with mastitis and study the pathology of udder tissue. Study Design: Out of 353 culled she-camels (from Tumbool abattoir), 105 (29, 7%) sections of udders (including 31 milk samples) showing mastitis lesions were collected. Isolation and characterization of bacteria and histopathological pictures were reported. Place of Study: This study was undertaken in the Departments of Bacteriology and Pathology, Central Veterinary Research Laboratories, Ministry of Animal Resources and Fisheries, Khartoum during Jan-Dec/ 2009. Methodology: The isolates were characterized using two techniques: Api kits and automated system Vitek 2 Compact and the histopathological method done according to standard method. Results: In the result herein reported the bacteria isolated from mastitic she-camels udders (105) included (31) milk samples and they were: Staphylococcus spp 40 (38 %) Streptococcus spp 29 (27.6%) and Micrococcus spp 14 (10.5%) as major pathogens followed by Corynbacteirum spp 5 (4.8%), Enterococcusspp 5 (4.8%), E. coli 3 (2.9%), and a low percent of Aerococcus spp 2 (1.9%), Proteus 2 (1.9%), Mannhemia haemolytica 1 (0.95%), Klebsiellasp 1 (0.95%) Acintobacter sp 1 (0.95%), Bacillus cereus 1 (0.95%). The chronic mastitis was characterized by accumulation of inflammatory cellular exudates that in certain areas replacing the normal lobular structures. In addition, desquamation of most of atopic secretary glandular tissue, necrosis, and disintegration of alveolar tissue and extensive proliferation of fibrous tissue forming areas of scarring intermingled with aggregates of granulomatous cells, macrophage, plasma and lymphoid cells. And acute characterized by odema and profuse infiltration of cellular exudates, composed of mononuclear cells intermixed with neutrophils, Micro-abscesses and lymphoid follicle like structure. Conclusions: Mastitis cases reveal different type of pathogenic bacteria concerning public health. Chronic mastitis represented the most commonly available type.