Lameness in sheep

Winter, Agnes

doi:10.1016/j.smallrumres.2007.12.008

Cited by 90 publications

(136 citation statements)

References 17 publications

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“…The impaction of the interdigital space with feces, mud, and grass may cause a loss of skin integrity allowing invasion by F. necrophorum causing interdigital dermatitis (Winter 2008). Deeper lesions may involve a purulent infection with a foot abscess at the distal interphalangeal joint due to Archanobacterium pyogenes or other piogenic bacteria causing foot abscess (Riet-Correa 2007).…”

Section: Introductionmentioning

confidence: 99%

Foot rot and other foot diseases of goat and sheep in the semiarid region of northeastern Brazil

et al. 2011

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This paper reports the occurrence and epidemiology of outbreaks of foot rot and other foot diseases in goats and sheep in the semiarid region of Paraíba, northeastern Brazil. Four farms were inspected for the presence of foot lesion in sheep and goats and for environmental conditions, general hygiene, pastures, and disease control measures. The prevalence of foot lesions was 19.41% (170/876) in sheep and 17.99% (52/289) in goats, ranging between 5.77% and 33.85% in different farms. Foot rot was the most common disease, affecting 12.1% of the animals examined (141/1165), but with signiϐicantly higher (p<0.05) prevalence in sheep (13.69%) than in goats (7.27%). The frequency of malignant foot rot was also signiϐicantly lower (p<0.05) in goats (9.53%) than in the sheep (40.83%). On one farm, Dorper sheep showed signiϐicantly higher (p<0.05) prevalence of foot rot (17.5%) than Santa Inês sheep (6.79%), and the number of digits affected was also higher in the former. Dichelobacter nodosus and Fusobacterium necrophorum were isolated from cases of foot rot. White line disease was found in 3.95% of the animals, sole ulcers in 1.29%, foot abscess in 1.03% and hoof overgrowth in 0.5%. The high rainfall at the time of occurrence, grazing in wetlands, clay soils with poor drainage, presence of numerous stony grounds, closure of the ϐlocks in pens at night, and introduction of affected animals were considered predisposing factors for the occurrence of foot diseases.INDEX TERMS: Foot lesions, foot rot, foot abscess, small ruminants. RESUMO.-[Pododermatite infecciosa e outras doenças podais de caprinos e ovinos no semiárido Nordestino.]Este trabalho relata a ocorrência e aspectos epidemiológi-cos de surtos de pododermatite infecciosa e outras afecções podais em caprinos e ovinos no semiárido paraibano. As propriedades foram inspecionadas quanto à presença de problemas podais e aspectos relacionados às condições ambientais, higiene, locais de pastejo e medidas de controle utilizadas. Nos ovinos a prevalência de lesões podais foi de 19,41% (170/876) e nos caprinos de 17,99% (52/289), variando entre 5,77% e 33,85% nas diferentes propriedades. A pododermatite infecciosa foi a doença mais frequente acometendo 12,1% dos animais examinados (141/1165), sendo a prevalência nos ovinos (13,69%) signiϐicativamente maior (p<0,05) do que a nos caprinos (7,27%). A frequência de lesões malignas desta doença em caprinos (9,53%) foi, também, signiϐicativamente menor (p<0,05) do que nos ovinos (40,83%). Em uma das propriedades a prevalência de pododermatite infecciosa entre os ovinos Dorper (17,5%) foi signiϐicativamente maior do que a nos ovinos da raça Santa Inês (6,79 %), tendo os animais da primeira raça maior número de membros acometidos pela pododermatite infecciosa. Dichelobacter nodosus e Fusobacterium necrophorum foram isolados de casos de pododermatite infecciosa. A doença da linha branca foi constatada em 3,95% dos animais, a úlcera de sola em 1,29%, o

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Foot rot and other foot diseases of goat and sheep in the semiarid region of northeastern Brazil

et al. 2011

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“…If FR 120 was present the hoof horn over lesions was trimmed away and the exposed lesions were sprayed 121 with the topical spray. Other foot lesions were treated using standard protocols (Winter, 2004). 122 123…”

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“…To test these hypotheses, a within flock clinical trial comparing these two treatments 74 was set up on a convenience-selected farm in Oxfordshire with a commercial lowland spring-75 lambing flock of approximately 700, mainly North Country mule ewes. The objective was to 76 compare prompt treatment of FR and ID with parenteral and topical antibacterial with a typical 77 farmer's management of FR and ID (Wassink et al, 2003;2004) group was four weeks old, one group from each pasture type was selected to be an intervention 97 treatment group by tossing a coin; the other became the matched control group, thus giving two 98 intervention and two control groups. Six observers collected data on age, BCS, locomotion and 99 foot lesions over the 18-month study.…”

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A within farm clinical trial to compare two treatments (parenteral antibacterials and hoof trimming) for sheep lame with footrot

Wassink

King

Grogono-Thomas

et al. 2010

Preventive Veterinary Medicine

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with a prevalence of 10% lameness reported by farmers who treat lame sheep bytrimming 19 affected feet. We tested the hypothesis that prompt treatment of sheep lame with naturally 20 developing FR or ID with parenteral and topical antibacterials reduces the prevalence and 21 incidence of lameness with these conditions compared with less frequent treatment by trimming 22 hoof horn and applying topical antibacterials. A further hypothesis was that reduction of ID and 23 FR would improve productivity. A lowland sheep flock with 700 ewes was used to test these 24 hypotheses in an 18-month within farm clinical trial with four groups of ewes: two intervention 25 and two control. The duration and severity of lameness was used to categorise sheep into three 26 weighted scores of lameness (WLS): never lame (WLS0), lame for a maximum of six days with 27 locomotion score 2 (WLS1) and lame for more than six days or a higher locomotion score 28 (WLS2). The intervention reduced the prevalence of lameness due to FR and ID in ewes and 29 lambs and the incidence of lameness in ewes. The WLS was significantly lower in sheep in the 30 intervention groups. Ewes with a higher WLS were subsequently significantly more likely to 31 have a body condition score (BCS) <2.5 and have lame lambs. Significantly more ewes lambed 32 and successfully reared more lambs that were ready for slaughter at a younger age in the 33 intervention versus control groups. There was an increase in the gross margin of £630 / 100 ewes 34 mated in the intervention group, including the cost of treatment of £150 / 100 ewes mated. We 35 conclude that prompt parenteral and topical antibacterial treatment of sheep lame with ID and FR 36 reduced the prevalence and incidence of these infectious conditions and led to improved health, 37 welfare and productivity. 38 -3 - Lameness is one of the greatest concerns for poor welfare in sheep (Goddard et al., 2006; 44 Fitzpatrick et al., 2006). It has been estimated to cost the UK industry £24 million / annum 45 (Nieuwhof and Bishop, 2005). More than 90% of farmers in the UK report lameness in their 46 sheep, with a farmer-estimated prevalence of 10% with more than 80% of lameness caused by 47 footrot (FR) and interdigital dermatitis (ID) (Grogono-Thomas and Johnston, 1997; Kaler and 48 Green, 2008a). In a study of 209 sheep farmers, those treating all sheep with FR with parenteral 49 antibacterials and foot sprays reported a significantly lower peak prevalence of FR of 2% 50 compared with the 9%reported by farmers who treated FR by paring the hoof horn and spraying 51 disinfectant on to the foot (Wassink et al., 2003). In addition, farmers who reported prompt 52 treatment of mildly lame sheep also reported a lower prevalence of lameness than those treating 53 groups of lame sheep (Kaler and Green, 2008). Further evidence for the benefits of parenteral 54 antibiotics comes from a prospective longitudinal study of 160 sheep on one farm where the 55 treatment of sheep with FR and ID with parenteral and topical antibacteria...

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“…Complete avulsion of the hoof horn from the soft sensitive tissue beneath is common 52 (Naylor et al, 1998;Winter, 2008). reported the presence of CODD in their flocks (Kaler and Green, 2008).…”

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Factors associated with the presence and prevalence of contagious ovine digital dermatitis: A 2013 study of 1136 random English sheep flocks

Dickins

Clark

Kaler

et al. 2016

Preventive Veterinary Medicine

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Lameness in sheep

Cited by 90 publications

References 17 publications

Foot rot and other foot diseases of goat and sheep in the semiarid region of northeastern Brazil

Foot rot and other foot diseases of goat and sheep in the semiarid region of northeastern Brazil

A within farm clinical trial to compare two treatments (parenteral antibacterials and hoof trimming) for sheep lame with footrot

Factors associated with the presence and prevalence of contagious ovine digital dermatitis: A 2013 study of 1136 random English sheep flocks

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