Toxoplasma gondii is not an important contributor to poor reproductive performance of primiparous ewes from southern Australia: a prospective cohort study

Toxoplasma gondii is not an important contributor to poor reproductive performance of primiparous ewes from southern Australia: a prospective cohort study

Toxoplasma gondii causes reproductive losses in sheep worldwide, including Australia. The reproductive performance of primiparous ewes is typically lower than for mature, multiparous ewes, and younger ewes are more likely to be immunologically naïve and therefore more susceptible to reproductive dis...

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Bibliographic Details
Published in:BMC veterinary research 2022-03, Vol.18 (1), p.109-109, Article 109
Main Authors: Clune, Thomas, Lockwood, Amy, Hancock, Serina, Thompson, Andrew N, Bruce, Mieghan, Beetson, Sue, Campbell, Angus J, Glanville, Elsa, Brookes, Daniel, Trengove, Colin, O'Handley, Ryan, Jacobson, Caroline
Format: Article
Language:eng
Subjects:
Abortion
Care and treatment
Diagnosis
Disease susceptibility
Diseases
Enzyme-linked immunosorbent assay
Ewes
Genetic aspects
Growth
Lamb mortality
Lamb survival
Methods
Parasite
Risk factors
Sheep
Testing
Toxoplasmosis
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Summary:Toxoplasma gondii causes reproductive losses in sheep worldwide, including Australia. The reproductive performance of primiparous ewes is typically lower than for mature, multiparous ewes, and younger ewes are more likely to be immunologically naïve and therefore more susceptible to reproductive disease if T. gondii infection occurs during pregnancy. The aim of this study was to assess the impact of infection with T. gondii on the reproductive performance of primiparous ewes in southern Australia using a prospective cohort study. This will inform the need for targeted control strategies for T. gondii in Australian sheep. Toxoplasma gondii seropositivity using indirect ELISA was detected at 16/28 farms located across southern Australia. Apparent seropositivity to T. gondii was lower in primiparous ewes (1.1, 95% confidence interval (CI) 0.6, 1.8) compared to mature, multiparous ewes (8.1, 95% CI 6.0, 10.5; P 
ISSN:1746-6148
1746-6148