A practical approach to dealing with contagious ovine digital dermatitis (CODD) on farms

Contagious ovine digital dermatitis (CODD) is a cause of severe welfare compromise in affected sheep and can cause major problems on some farms. The specific aetiology is still unknown but Treponema spp. are considered as the most likely infectious agents necessary for disease. Recent evidence has shown strong links between footrot and CODD and a holistic approach to treatment and control is likely to be necessary in order to achieve control on affected farms. Together with this, strict biosecurity practices are required including the examination of all feet of all new entrants to a flock with the aim of preventing the introduction of CODD to unaffected flocks.

[1]  R. Blowey,et al.  Survival of contagious ovine digital dermatitis (CODD)-associated treponemes on disposable gloves after handling CODD-affected feet , 2017, Veterinary Record.

[2]  E. Ferguson,et al.  Factors associated with the presence and prevalence of contagious ovine digital dermatitis: A 2013 study of 1136 random English sheep flocks. , 2016, Preventive veterinary medicine.

[3]  D. Grove-White,et al.  Whole-flock, metaphylactic tilmicosin failed to eliminate contagious ovine digital dermatitis and footrot in sheep: a cluster randomised trial , 2016, Veterinary Record.

[4]  Eamonn Ferguson,et al.  Changes in prevalence of, and risk factors for, lameness in random samples of English sheep flocks: 2004-2013. , 2015, Preventive veterinary medicine.

[5]  D. Grove-White,et al.  Sheep and farm level factors associated with contagious ovine digital dermatitis: A longitudinal repeated cross-sectional study of sheep on six farms. , 2015, Preventive veterinary medicine.

[6]  L. E. Sullivan,et al.  In vitro susceptibility of contagious ovine digital dermatitis associated Treponema spp. isolates to antimicrobial agents in the UK , 2015, Veterinary dermatology.

[7]  D. Grove-White,et al.  Clinical and radiographic features of contagious ovine digital dermatitis and a novel lesion grading system , 2015, Veterinary Record.

[8]  L. E. Sullivan,et al.  High-Level Association of Bovine Digital Dermatitis Treponema spp. with Contagious Ovine Digital Dermatitis Lesions and Presence of Fusobacterium necrophorum and Dichelobacter nodosus , 2015, Journal of Clinical Microbiology.

[9]  L. E. Sullivan,et al.  Digital dermatitis treponemes associated with a severe foot disease in dairy goats , 2014, Veterinary Record.

[10]  L. E. Sullivan,et al.  Isolation of Digital Dermatitis Treponemes from Hoof Lesions in Wild North American Elk (Cervus elaphus) in Washington State, USA , 2014, Journal of Clinical Microbiology.

[11]  L. E. Sullivan,et al.  Contagious ovine digital dermatitis: an emerging disease. , 2014, Veterinary journal.

[12]  M. W. Nielsen,et al.  Discovery of bovine digital dermatitis-associated Treponema spp. in the dairy herd environment by a targeted deep-sequencing approach. , 2014, Applied and environmental microbiology.

[13]  L. E. Sullivan,et al.  Presence of digital dermatitis treponemes on cattle and sheep hoof trimming equipment , 2014, Veterinary Record.

[14]  S. Carter,et al.  Farmer reported prevalence and factors associated with contagious ovine digital dermatitis in Wales: A questionnaire of 511 sheep farmers. , 2014, Preventive veterinary medicine.

[15]  J. Oultram,et al.  Impact of footrot vaccination and antibiotic therapy on footrot and contagious ovine digital dermatitis , 2012, Veterinary Record.

[16]  J. Oultram,et al.  Effects of parenteral amoxicillin on recovery rates and new infection rates for contagious ovine digital dermatitis in sheep , 2011, Veterinary Record.

[17]  J. Kaler,et al.  Naming and recognition of six foot lesions of sheep using written and pictorial information: a study of 809 English sheep farmers. , 2008, Preventive veterinary medicine.

[18]  M. Woodward,et al.  The occurrence of treponemes in contagious ovine digital dermatitis and the characterisation of associated Dichelobacter nodosus. , 2005, Veterinary microbiology.

[19]  L. Green,et al.  Exploratory findings on the prevalence of contagious ovine digital dermatitis in sheep in England and Wales during 1999 to 2000 , 2003, Veterinary Record.

[20]  L. Green,et al.  Risk factors associated with the prevalence of footrot in sheep from 1999 to 2000 , 2003, Veterinary Record.

[21]  A. Mc Polyorchidism in a dog. , 1999 .