Prevalence of laminitis and the patterns of claw lesions in dairy cows in Nairobi and the peri-urban districts
2009
J, Nguhiu-Mwangi | P.M.F, Mbithi | J.K, Wabacha | P.G, Mbuthia
Prospective study was carried out to determine the characteristics of claw lesions in dairy cattle in Nairobi and the peri-urban districts between December 2005 and May 2006. The gaits of 300 dairy cows in 29 zero-grazed and 3 pasture-grazed farms were evaluated and their claws examined for laminitis and other lesions. A retrospective study was also conducted on case records for dairy cattle foot lameness in the Large Animal Clinic of the University of Nairobi. Claws were also collected from abattoirs and examined for lesions. Data was analyzed with GENSTAT for Windows Discovery Edition 2. From the retrospective study, the prevalence of laminitic lesions was 0.79% while infective lesions particularly interdigital necrobacillosis and sole abscesses had prevalence of 35.7% and 11.1% respectively. In the prospective study, the prevalence of laminitis was 70.3%, sole bruising 45%, heel erosion 27.3%, white line separation 18% and double soles 17%. However, the total prevalence of infective claw lesions was 4.7%. Abattoir claws had lesions with similar trends as prospective survey. Current nutrition, housing and management practices that are adopted for increasing productivity and improving hygiene, may account for changes seen in claw lesion patterns of increased laminitis and decreased infective lesions in dairy cattle.
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