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| | ===Laboratory Tests=== | | ===Laboratory Tests=== |
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| − | The ovine fetal immune system starts to respond to
| + | Anti-''Toxoplasma gondii'' antibodies can be deteceted in the maternal circulation from thirty days post-infection. However, in an outbreak of abortions, action may nned to be taken before this point. |
| − | T. gondii at or soon after 60 days gestation when both
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| − | humoral and cellular reactions can be detected29.
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| − | Specific circulating anti-T. gondii IgM and IgG,
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| − | detectable after 30 days of maternal infection, can
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| − | be used in the diagnosis of T. gondii abortion29. | |
| − | Infection ofpregnant and non-pregnant ewes provokes
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| − | substantial iunity, so that a uterine T. gondii
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| − | infection will not develop in a future gestation2l.
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| | ===Pathology=== | | ===Pathology=== |