Results 101 to 110 of about 695 (153)
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Breeding for resistance to footrot – the use of hoof lesion scoring to quantify footrot in sheep
Veterinary Research Communications, 2008So that genetic studies can be undertaken on footrot in sheep, it is necessary that a reliable and repeatable method to categorise the phenotype is available. This paper summarises the methods used and results obtained from 1600 hoof lesion scores of 100 mixed-age ewes independently scored twice by two trained operators. Using a 5-pont scale describing
J, Conington +4 more
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A review of footrot in sheep: New approaches for control of virulent footrot
Livestock Science, 2013Footrot caused by the bacterium Dichelobacter nodosus is a contagious disease of small ruminants and in its virulent form, it causes severe economic loss and is a significant animal welfare issue. There are 10 different serogroups of D. nodosus (A–I and M) and immunity is serogroup-specific.
H.W. Raadsma, O.P. Dhungyel
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New Zealand Veterinary Journal, 1983
Changes in formalin concentration were measured over time in uncontaminated solutions and solutions heavily contaminated by mud, faeces, wool or straw. Shallow plastic trays containing 1.11 of a 9% aqueous solution of formalin were exposed for 6 days (trial 1) or 8 days (trial 2) to windy autumn weather. Evaporation of solution volumes was high (47-73%)
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Changes in formalin concentration were measured over time in uncontaminated solutions and solutions heavily contaminated by mud, faeces, wool or straw. Shallow plastic trays containing 1.11 of a 9% aqueous solution of formalin were exposed for 6 days (trial 1) or 8 days (trial 2) to windy autumn weather. Evaporation of solution volumes was high (47-73%)
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Onset and remission of ovine footrot
Australian Veterinary Journal, 1983SUMMARY Sheep exposed to uncontrolled outbreaks of footrot were observed on one farm for 3 successive years and on another for one year. Observations were made from mid‐winter to early summer. In each outbreak about 70% or more of sheep exposed to footrot acquired the disease.
J R, Egerton +3 more
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Aetiology of ovine footrot in Spain
Veterinary Record, 1998Four hundred and sixty strains of obligate anaerobes were isolated from 216 cases of ovine footrot distributed throughout Spain. The predominant species was Dichelobacter nodosus , which was isolated in 168 cases (77.8 per cent).
M A, Hurtado +4 more
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A perspective on ovine footrot control
New Zealand Veterinary Journal, 1984A method for the control of ovine footrot is described which utilises the most appropriate measures to suit the circumstances for individual properties. This approach was used to eradicate the disease from three Central Otago fine-wool properties wintering in excess of 35,000 sheep on widely differing classes of land.
A J, Jopp, R, Jackson, C J, Mulvaney
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Veterinary Record, 2012
Footrot and contagious ovine digital dermatitis (CODD) are common causes of foot disease of sheep in the UK. The study reported here is a split flock randomised treatment trial undertaken on a group of 748 fattening lambs on a UK sheep farm affected by CODD and footrot.
J S, Duncan +6 more
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Footrot and contagious ovine digital dermatitis (CODD) are common causes of foot disease of sheep in the UK. The study reported here is a split flock randomised treatment trial undertaken on a group of 748 fattening lambs on a UK sheep farm affected by CODD and footrot.
J S, Duncan +6 more
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Grading the lesions of ovine footrot
Research in Veterinary Science, 1995Sixteen methods of grading the lesions of ovine footrot were assessed on the basis of the effect of the lesions on the humoral immune response of the host to a causative bacterium, Dichelobacter nodosus. Methods that allowed for qualitative and quantitative differences in lesion scores between sheep were the best predictors of host response, and ...
R J, Whittington, P J, Nicholls
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Outlook on Agriculture, 1958
Footrot in sheep has spread alarmingly in Australia during the past few years, and in the course of an intensive campaign for its control notable advances have been made in techniques. Not only have mechanical cradles been devised for holding sheep while foot paring, thus saving time and labour, but several modern drugs have been found to be very ...
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Footrot in sheep has spread alarmingly in Australia during the past few years, and in the course of an intensive campaign for its control notable advances have been made in techniques. Not only have mechanical cradles been devised for holding sheep while foot paring, thus saving time and labour, but several modern drugs have been found to be very ...
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An anamnestic serological test for ovine footrot
Australian Veterinary Journal, 1990SUMMARY Following recovery from ovine footrot, a proportion of sheep in a flock may carry the causative organism and spread it to other sheep if environmental conditions are favourable. Footrot affected sheep have elevated levels of serum antibody against Bacteroides nodosus, but these levels decline rapidly after clinical recovery.
R J, Whittington, D J, Marshall
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