Toxoplasma gondii seroprevalence in dairy and beef cattle: Large-scale epidemiological study in Estonia
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Toxoplasma gondii seroprevalence in dairy and beef cattle : Large-scale epidemiological study in Estonia. / Jokelainen, Pikka; Tagel, Maarja; Motus, Kerli; Viltrop, Arvo; Lassen, Brian.
I: Veterinary Parasitology, Bind 236, 15.03.2017, s. 137-143.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Toxoplasma gondii seroprevalence in dairy and beef cattle
T2 - Large-scale epidemiological study in Estonia
AU - Jokelainen, Pikka
AU - Tagel, Maarja
AU - Motus, Kerli
AU - Viltrop, Arvo
AU - Lassen, Brian
PY - 2017/3/15
Y1 - 2017/3/15
N2 - Toxoplasma gondii is a zoonotic protozoan parasite that thrives in Estonia. In this nationwide cross-sectional study, we tested sera from 3991 cattle, collected from 228 farms in 2012–2013, for anti-T. gondii immunoglobulin G antibodies using a commercial direct agglutination test. Titer of 100 was set as cut-off: samples that tested positive at the dilution 1:100 were defined as positive. The apparent animal-level seroprevalence was 18.62%. At least one seropositive animal was found on 68.86% of the farms, and seropositive cattle were detected in all counties. The seroprevalence appeared to increase with age until five years (60–71 months) of age, but had no obvious pattern in the older animals. Animals of the local Estonian Red breed had higher odds to test seropositive than did animals of the Estonian Holstein breed. Whether the farm focused on dairy or beef cattle was not associated with an animal testing T. gondii seropositive nor with finding at least one T. gondii seropositive animal on the farm. The odds of finding at least one T. gondii seropositive animal on the farm were higher if the herd size was above median (105 in dairy and mixed dairy farms; 35 in beef and mixed beef farms). The results indicate that T. gondii is endemic within the agricultural setting in Estonia and present on the majority of cattle farms.
AB - Toxoplasma gondii is a zoonotic protozoan parasite that thrives in Estonia. In this nationwide cross-sectional study, we tested sera from 3991 cattle, collected from 228 farms in 2012–2013, for anti-T. gondii immunoglobulin G antibodies using a commercial direct agglutination test. Titer of 100 was set as cut-off: samples that tested positive at the dilution 1:100 were defined as positive. The apparent animal-level seroprevalence was 18.62%. At least one seropositive animal was found on 68.86% of the farms, and seropositive cattle were detected in all counties. The seroprevalence appeared to increase with age until five years (60–71 months) of age, but had no obvious pattern in the older animals. Animals of the local Estonian Red breed had higher odds to test seropositive than did animals of the Estonian Holstein breed. Whether the farm focused on dairy or beef cattle was not associated with an animal testing T. gondii seropositive nor with finding at least one T. gondii seropositive animal on the farm. The odds of finding at least one T. gondii seropositive animal on the farm were higher if the herd size was above median (105 in dairy and mixed dairy farms; 35 in beef and mixed beef farms). The results indicate that T. gondii is endemic within the agricultural setting in Estonia and present on the majority of cattle farms.
KW - Beef
KW - Dairy
KW - Bovine
KW - Serology
KW - Toxoplasmosis
KW - Zoonosis
KW - Estonia
U2 - 10.1016/j.vetpar.2017.02.014
DO - 10.1016/j.vetpar.2017.02.014
M3 - Journal article
C2 - 28288757
VL - 236
SP - 137
EP - 143
JO - Veterinary Parasitology
JF - Veterinary Parasitology
SN - 0304-4017
ER -
ID: 177051132