Intra-class correlation attributable to claw trimmers scoring common hind-claw disorders in Dutch dairy herds

Preventive Veterinary Medicine
Menno HolzhauerGerdien van Schaik

Abstract

Data of a cross-sectional study on prevalence of seven common bovine-claw disorders were used to calculate the intra-class correlation coefficients (ICCs) for claw trimmers. Fifteen professional claw trimmers were trained in diagnosing claw disorders uniformly. During regular trimming of all dairy cows in a herd, they recorded the presence (yes/no) of hind-claw disorders for digital dermatitis (DD), chronic laminitis (CL), sole ulcer (SU), white-line disease (WLD) and interdigital hyperplasia (HYP). For the claw disorders interdigital dermatitis/heel-horn erosion (IDHE) and sole haemorrhage (SH), claw trimmers also recorded (using graduated scores 1-3) the extent of the lesion. Complete information of 21,153 animals from 361 herds in The Netherlands was recorded between July 2002 and December 2003. To assure objective recording of claw disorders, ideally there would not be any correlation between observations. However, quantified ICCs from claw-trimmers observations ranged from 4.9% for DD to 38.0% for CL, while ICCs for herd ranged from 7.9% for SU to 26.7% for DD. Changes in the cut-off values for the diagnosis of IDHE and SH did not result in any relevant changes of the ICCs from claw-trimmers observations and these remained...Continue Reading

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Citations

Jan 1, 2009·Animal : an International Journal of Animal Bioscience·F C Flower, D M Weary
Feb 2, 2010·Preventive Veterinary Medicine·Minna KujalaTimo Soveri
Mar 4, 2008·Preventive Veterinary Medicine·M HolzhauerC J M Bartels
Sep 17, 2013·Journal of Dairy Science·C ØdegårdB Heringstad
Oct 29, 2011·Journal of Dairy Science·A RelunN Bareille
Mar 20, 2009·Preventive Veterinary Medicine·Minna KujalaTimo Soveri
May 30, 2016·Journal of Dairy Science·L SolanoK Orsel
Oct 4, 2008·Journal of Dairy Science·G CramerD F Kelton
Feb 24, 2009·Journal of Dairy Science·W OuweltjesJ van der Werf
Sep 15, 2019·Tropical Animal Health and Production·Nader Maher SobhyAshraf Awad
Jun 25, 2018·Journal of Dairy Science·I M G A Santman-BerendsG Van Schaik
Oct 19, 2020·Journal of Dairy Science·Juan C Arango-SabogalSimon Dufour

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