Abstract
Enzyme-linked immunosorbent assay was used to identify the antibodies of toxoplasmosis, brucellosis and chlamydiosis in Nineveh governorate-north of Iraq. Sera from 100 sample of sheep aborted from any reason were randomly collected. The results showed that 32.8%, 56% and 11.2% were positive for toxoplasmosis, brucellosis and chlamydiosis respectively. Percentage of identified and unidentified agents causing abortion were 63% and 37% respectively. First of occurrence of abortion was the most common in the unidentified pathogen (27 cases), however, the repeated occurrence of abortion was almost caused by toxoplasmosis which was 19 cases. Stillbirth was found to be the commonest in brucella infection as compared with other months of abortion or other pathogens causing abortion. Chlamydiosis were the first record in this region. The findings of the current work indicated that toxoplasmosis and brucellosis was widely prevailing and may be the cause of sheep abortion in northern Iraq.
Highlights
Abortion in sheep is caused by multiple and various infectious agents’ i.e. Brucella melitensis [1], Chlamydophila abortus [2], Toxoplasma gondii [3] Salmonella abortus ovis [4] and Listeria monocytogenes [5]
It is clear that brucellosis is the commonest cause of abortion in order followed by toxoplasmosis and chlamydiosis
Studies conducted on seroprevalence of toxoplasmosis in different regions of Iraq were between 17.35% [32] and 81.3% [33]
Summary
Abortion in sheep is caused by multiple and various infectious agents’ i.e. Brucella melitensis [1], Chlamydophila abortus [2], Toxoplasma gondii [3] Salmonella abortus ovis [4] and Listeria monocytogenes [5]. As a role the first three pathogens have the major destructive influence on productive yield. A side from abortion, stillbirth and placentitis which are typically occur in the late stage of pregnancy [6,7,8,9] These etiologies cause serious reproductive problems and economic losses, mastitis and low milk secretion. Those are broadly prevalent word wide including middle east countries [10] and Iraq [11]. The objective of the current study was to investigate the Seroprevalence of the most important diseases causing abortion i.e. Brucella melitensis, Chlamydophila abortus and Toxoplasma gondii in aborted ewes in Nineveh governorate – Northern Iraq
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