Toxoplasmosis in sheep--the last 20 years.

Monitoring of verotoxigenic Escherichia coli (VTEC) and identification of human pathogenic VTEC types 1 Scientific Opinion of the Panel on Biological Hazards

Toxoplasma gondii infections in sheep in Sicily, southern Italy.

Toxoplasma gondii in sheep and goats: seroprevalence and potential risk factors under dairy husbandry practices

Toxoplasmosis, an infection caused by Toxoplasma (T.) gondii Apicomplexa protozoan, is widespread in humans and other animal species, having already been reported in many countries and different climates. In Pakistan, no data is available on this aspect among food animals. This study was undertaken to determine the seroprevalence of T. gondii infection in sheep and goats. A total of 200 serum samples from sheep and goats, were collected from urban area of Rahim Yar Khan (Punjab), Pakistan and tested for Toxoplasmosis with a commercial latex agglutination kit (Eiken Chemical Co., Ltd. Japan). The overall seroprevalence of Toxoplasmosis was 19%. Goats had a significantly higher (p < 0.01) prevalence (25.4%) as compared to the sheep (11.2%); and higher (p < 0.01) in the female (24%) than in the males (19%) for both species. In the present study the male (both in sheep and goat) are found less seropositive T. gondii (OR = 0.23; 99% C.I. = 0.01, 1.81) as compared to female sheep and goat. The prevalence was significantly higher (p < 0.01) in adult sheep than younger animals. Among both the sheep and goats the group from 1-1.5 years are highly seropositive (OR = 1.75; 99% C.I. = 0.47, 6.51) as compared to the group less than one year of age followed by the 2-2.5 years age group (OR = 1.63; 99% C.I. = 0.50, 5.74) whereas group with more than 3 years of age least seropositive.

Seroprevalence of Toxoplasma gondii in sheep and goats in Rahim Yar Khan (Punjab), Pakistan

Between 1999–2003, 14 321 sera and 646 abortion samples (498 foetuses and 148 placentae) were analysed from 807 sheep and goat farms distributed all over the island of Sardinia. After notification of abortion in a flock, sera collected at random from adult animals were examined to detect antibodies specific to Chlamydophila (C.) abortus by ELISA, whereas foetuses and placenta were analysed by PCR assay. Specific IgG antibodies were detected in 611 (4.8%) sheep and 106 (5.8%) goats. From a total of 2050 ovine and 151 caprine fetal samples including muscle, liver, abomasum, spleen, brain and placenta, 29 (1.4%) ovine and 1 (0.6%) caprine samples were C. abortus PCR-positive. Placenta was the tissue with the highest detection rate. These results indicate that the seroprevalence of C. abortus infection in sheep and goats is very low in Sardinia, and PCR results demonstrate that C. abortus has no significant role in abortion, especially in goats.

Role of Chlamydophila abortus in ovine and caprine abortion in Sardinia, Italy.

Survey of ovine and caprine toxoplasmosis by IFAT and PCR assays in Sardinia, Italy.

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Role of Chlamydophila abortus in ovine and caprine abortion in Sardinia, Italy.

Survey of ovine and caprine toxoplasmosis by IFAT and PCR assays in Sardinia, Italy.