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Table 3 Timing of detection for T. gondii IgG seroconversion using indirect ELISA for primiparous ewes (n = 12) sampled across southern Australia between 2018 and 2020. The earliest detection of seroconversion is bolded

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

Ewe ID

Farm

Timing of foetal or lamb loss

T. gondii seroconversion status

Pre-mating

Scan 1

Scan 2

Pre-lambing

Lamb marking

Seroconversion detected pre-mating

 9463

13

Perinatal death

Positive

Positive

Positive

NA

Positive

Seroconversion first detected during pregnancy

 18842

20

Late abortion/ perinatal lamb death

Negative

Positive

Positive

NA

Positive

 18857

20

Perinatal death

Negative

Positive

Positive

NA

Positive

 3479

3

Late abortion/ perinatal lamb death

Negative

Positive

Negative

Negative

Positive

 12114

12

Mid Abortion (scan 2 – scan 3)

Negative

Negative

Positive

NA

NA

 13091

7

Late abortion a (scan 3 – pre-lambing)

Negative

Negative

Negative

Positive

NA

 18121

21

Perinatal death

Negative

Negative

Negative

Positive

Positive

Seroconversion first detected at marking

 16527

10

Perinatal death

Negative

Negative

Negative

NA

Positive

 16528

10

Perinatal death

Negative

Negative

Negative

NA

Positive

 17152

15

Perinatal death

Negative

Negative

Negative

Negative

Positive

 18190

22

Perinatal death

Negative

Negative

Negative

Negative

Positive

 23364

29

Raised twins

Negative

NA

NA

Negative

Positive

  1. NA Not available for testing as the ewe was not present for sampling or had been removed from the study flock after abortion was confirmed
  2. aconfirmed late abortion based on observation of purulent vaginal discharge and opportunistic transabdominal ultrasound at the pre-laambing visit