Claw health index for Dutch dairy cattle based on claw trimming and conformation data
نویسندگان
چکیده
منابع مشابه
Evidence-based claw trimming for dairy cattle.
Claw trimming every four to six months has become a routine procedure for the majority of high yielding housed dairy cows. Various methods have been described, but the Dutch Five Step method (Toussaint Raven 1985) is probably the most widely used approach around the world and has been the basis for most research. Despite being the most commonly used protocol internationally, the Dutch Five Step...
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The aim was to describe variation in length of the dorsal hoof wall in contact with the dermis for cows on a single farm, and hence, derive minimum appropriate claw lengths for routine foot trimming. The hind feet of 68 Holstein-Friesian dairy cows were collected post mortem, and the internal structures were visualised using x-ray µCT. The internal distance from the proximal limit of the wall h...
متن کاملEvaluation of claw health in heifers in seven dairy farms using a digital claw trimming protocol and claw data analysis system Evaluierung der Klauengesundheit von Färsen in 7 Milchvieh- betrieben mittels digitaler Klauendatendokumentation und Klauendatenanalyse
The claw health of 139 heifers with a mean age of 22.1 months (SD: 2.6) in seven free stall dairy farms in Lower Austria was evaluated. Claw lesions were assessed during functional claw trimming and documented and analysed using the digital program Claw Manager. For documentation of lesions, each claw was divided into 10 zones. The prevalence of lameness, claw lesions and their severity were de...
متن کاملInfluences of Switch Trimming on Cleanliness and Udder Health in Dairy Cattle
The periodic trimming of the long hairs growing at the distal end of the tail -switch trimming- is humane alternative of tail docking. The purpose of this study was to determine the influence of switch trimming on somatic cell count (SCC), California mastitis test (CMT) and udder cleanliness of lactating cows in a free-stall dairy farm. In the present study, 219 healthy, pregnant Holstein cows ...
متن کاملManske T, Hultgren J, Bergsten C. 2002. The effect of claw trimming on the hoof health of Swedish dairy cattle. Preventive Veterinary Medicine 54: 113–129. Abstract
A 2-year experiment on the effect of claw trimming on hoof health was performed in 77 Swedish dairy herds (3444 dairy cattle) selected on herd size, breed composition and membership in the official milk-recording scheme. In the autumn, cows within each herd were blocked according to breed, parity and stage of lactation and allocated to two treatments: autumn trimming (AT) or no autumn trimming ...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2010
ISSN: 0022-0302
DOI: 10.3168/jds.2010-3183