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Table 1 Characteristics of primiparous ewe flocks from Western Australia

From: Chlamydia pecorum detection in aborted and stillborn lambs from Western Australia

Flock code

Year

Location

Ewe breed

Ewe age at mating (months)

Pregnant ewes (n)a

Pre-lambing body condition scoreb

A

2018

Kojonup

Merino

18–20

186

2.7

B

2018

Kojonup

Merino

18–20

178

2.7

C

2019

Katanning

Merino

18–20

204

2.8

D

2019

Broomehill

Merino

18–20

169

2.5

E

2019

Katanning

Merino

7–9

86

2.7

F1

2018

Narrogin

Compositec

7–9

148

3.1

F2

2019

Narrogin

Compositec

7–9

168

3.1

G

2018

York

Compositec & White Suffolk

7–9

130

3.1

H

2019

Kojonup

Compositec

7–9

151

3

I

2019

Kojonup

Dorper

8–10

146

3

J

2019

Ongerup

White Suffolk

7–10

103

3.1

  1. aDetermined by transabdominal ultrasound conducted 62–87 days from the start of mating or artificial insemination.
  2. bAverage body condition score of the flock assessed approximately 140 days from the start of mating.
  3. cComposite: mixed (non-Merino) breed ewes.