Hydatidosis of slaughtered animals in Bahir Dar Abattoir,Northwestern Ethiopia |
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| Authors: | Nigatu Kebede Abebe Mitiku Getachew Tilahun |
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| Institution: | (1) Aklilu Lemma Institute of Pathobiology, Addis Ababa University, P. O. Box 56478, Addis Ababa, Ethiopia;(2) Amhara National Regional State Bureau of Agriculture and Rural Development, Bahir Dar Regional Veterinary Laboratory, Bahir Dar, Ethiopia |
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| Abstract: | The study was conducted from May 2005 to December 2006 in Bahir Dar Abattoir to assess the current status of hydatidosis in
cattle and sheep. Hydatid cyst count and characterization were conducted based on routine meat inspection. Of the total 420
cattle and 340 sheep slaughtered in Bahir Dar Abattoir 143 (34.05%) and 36 (10.6%) animals were found harboring hydatid cysts
respectively. Thorough meat inspection in the abattoir revealed that 202 and 54 visceral organs were found harboring one or
more hydatid cysts in cattle and sheep respectively. Differences in prevalence rates between the two species of animals were
highly significant (P < 0.001). The infection of the lung, liver, kidney, spleen and heart were found to be 57.9% , 36.6%
, 3% , 1.5% , 1% in cattle and 50%, 48.1% and 1.9% in sheep respectively. From the total of 864 in cattle and 138 in sheep
hydatid cysts counted 315 (36.4%), 268 (31.0%), 65 (7.5%), 216 (25.0%) in cattle and 92 (66.7%), 20 (14.5%), 1 (0.7%), 25
(18.1%) in sheep were found to be small, medium, large and calcified cysts respectively and 484 (56.0%), 164 (18.9%), 216
(25%) in cattle and 35 (25.4%), 78 (56.5%), 25 (18.1%) in sheep were sterile, fertile and calcified cysts respectively. Viability
rates of 62.2% in cattle and 78.2% in sheep were observed. The rate of cyst calcification was higher in the liver than in
the lung while fertility rate was higher among the cysts of the lung for both cattle and sheep. |
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| Keywords: | Hydatidosis Meat inspection Cattle Sheep Fertility Viability Abattoir Bahir Dar |
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