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Table 2 Descriptive characteristics of 11 Australian sheep flocks considered having virulent footrot were sampled between October ‘14 and July ‘15 for evaluation of the specificity of an rtPCR for detection of virulent (aprV2) and benign (aprB2) protease genes of D. nodosus

From: Assessment of a rtPCR for the detection of virulent and benign Dichelobacter nodosus, the causative agent of ovine footrot, in Australia

Flock ID No. animals sampled Sampling date Flock origin (shire or city) Breed Age Sex Comments/Flock history
12 26 27.07.2015 Wangaratta Rural City, Vic Dorper Rams Male Farm has a history of virulent footrot. Footbathing and foot pairing done frequently. Minimal lameness and lesions currently present. Sheep reviously footbathed in May 2015.
13 10 10.07.2015 East Gippsland Shire, Vic Merino Cross Mixed Mixed Footrot introduced December 2014 by purchased rams. Owners observed lameness of about 1 in 150 animals in March/April 2015.
14 36 23.06.2015 Mitchell Shire, Vic Merino Rams Male Farm suspected of virulent footrot, samples taken on a confirmatory visit.
15 10 13.10.2014 Strathbogie Shire, Vic Merino NR Female History of footrot and lameness in flock
16 10 13.10.2014 Greater Shepparton City, Vic Merino cross 2.5 y Female A mob of South African Merino X Merino yearling ewes purchased in Nov-Dec 2013. Sheep had been on agistment. A few sheep lame when they arrived; footbathed 2–4 weeks before sampling.
17 10 14.10.2014 Shire of Newstead, Vic Merino Mixed Female Property has a footrot history - previously treated sucessfully with Footrite®. This season a recurrance of lameness, some mobs reached a 20%.
18 9 20.10.2014 Indigo Shire, Vic Dorper Adult Female Lameness in more than one foot. Lesions suggestive of benign footrot.
19 10 03.11.2014 Shire of Glenelg, Vic NR 3.5 years Female Footrot appeared in June; source not determined, appears to be clinically aggressive; high prevalence of score 4/5 (20%+). These sheep last footbathed ~  3 weeks before sampling.
20 10 04.11.2014 Southern Grampians Shire, Vic NR 2 years Female Footrot has probably been present for a long time. Controlled by regular footbathing. Last month have had 30% of average long term rainfall for this time of the year. These sheep last footbathed ~ February 2014
21 10 17.11.2014 Bass Coast Shire, Vic Droper Mixed Mixed Many lambs, ewes and some rams reported lame with lesions very suggestive of footrot. Treated with footbath (formalin) and antibiotics. The lesions look in a process of healing but are still obvious (inflammation limited to interdigital space).
22 10 18.11.2014 Mitchell Shire, Vic Merino NR NR Virulent footrot for several years.
23 10 24.11.2014 Southern Grampians Shire, Vic NR Adult Female Footrot appeared in June (source not determined) with high prevalence of score 4/5 (20%+). Last 3 months have had 30% of average long term rainfall for this time of the year. These sheep last footbathed ~  3 weeks earlier.
24 9 01.12.2014 Colac Ottway Shire, Vic Crossbred Adult Female 10 of 15 seep examined had feet lesions scored ≥ 2