| study on ectoparasitic defects of processed skins at sheba tannery, tigray, northern ethiopia. | study on ectoparasitic skin defects and their impact on the tanning industry was carried out from november 2008 to march 2009. the objectives of the study were to identify the type of skin defects due to ectoparasitic skin diseases that caused downgrading and rejection of pickled sheep and wet blue goat skins at sheba tannery. a cross-sectional study of pickled and wet blue goat skins processed in sheba tannery was used as subjects of the study. accordingly, 700 pickled sheep and 700 wet blue go ... | 2010 | 20577804 |
| ectoparasites of small ruminants in three selected agro-ecological sites of tigray region, ethiopia. | a study on ectoparasites of small ruminants in three selected agro-ecological sites of tigray region, ethiopia disclosed an overall prevalence of 55.5% and 58% in each examined 750 sheep and goats, respectively. in the sheep population, melophagus ovinus (19.1%), tick infestations (16%), damalinia ovis (15.3%), linognathus africanus (11.5%), and ctenocephalides felis (9%) were the major ectoparasites. the major ectoparasites identified in goats were tick infestations (29.7%), l. africanus (27.9% ... | 2010 | 20369295 |
| seroprevalence of contagious caprine pleuropneumonia in kefta humera, alamata (tigray) and aba-'ala (afar), northern ethiopia. | a cross sectional study was conducted to determine the sero-prevalence of contagious caprine pleuroneumonia in three districts of tigray and afar regions of ethiopia namely; kefta humera, alamata and aba-'alla. proportions and chi-square test statistics were used to analyze the data. from a total of 863 goats and 137 sheep tested, 282 (32.68%) and 25 (18.25%) were positive for antibodies of mycoplasma capricolum subsp. capripneumoniae respectively using complement fixation test (cft). the seropr ... | 2009 | 18989743 |