Department of Veterinary Clinical Sciences, University of Copenhagen, Agrovej 8, DK2630 Taastrup, Denmark.
SEGES, Agro Food Park 15, DK8200 Aarhus N, Denmark.
Vet J. 2021 Nov;277:105749. doi: 10.1016/j.tvjl.2021.105749. Epub 2021 Sep 16.
Since 2009, Danish claw trimmers have been able to record claw health digitally during trimming. The records are owned by the farmer and can be used locally in the herd and on a large scale by breeding organisations to improve claw health. The objective of this study was to describe data on claw recording routines and describe the prevalence of digital dermatitis (DD), interdigital hyperplasia (IH), sole ulcer (SU) and white line abscess (WLA) recorded by claw trimmers (TrimmerID) at trimming. More than 5.18 million records of cows with claw recordings and 2.75 million records of claw trimming with 2.4 million concurrent claw diseases from 62 TrimmerIDs from 705,803 animals from 1635 herds over a 5-year period from 2013 to 2017 were included in the dataset. Data on cow level was used for the descriptive statistics. The data was restricted to, and grouped by, heifers from 12 months of age, first, second and third or older parity cows from the breeds Holstein, Danish Red Dairy, Jersey and crossbreds. The number of recorded trimmings per TrimmerID per year varied from 132 to 48,040 with a mean of 9556 and increased during the period studied. The overall prevalence across breed and parity groups of DD, IH, SU and WLA was 21%, 6%, 7% and 3%, respectively. The prevalence of the lesions remained quite constant during the 5-year period. DD was recorded in 95% of the herds in 2017. The prevalence of IH, SU and WLA increased with increasing parity. Digital recording of claw lesions may be a good indicator of claw health. However, the recording routines and quality of the recordings must be considered.
自 2009 年以来，丹麦蹄修师在修剪过程中就能够对蹄部健康状况进行数字化记录。这些记录归农场主所有，可在当地牛群中使用，也可由养殖组织在大规模范围内使用，以改善蹄部健康状况。本研究的目的是描述蹄部记录程序的数据，并描述由蹄修师（TrimmerID）在修剪时记录的数字性皮炎（DD）、趾间过度增生（IH）、鞋底溃疡（SU）和白线脓肿（WLA）的流行情况。在 2013 年至 2017 年的 5 年期间，从 62 个蹄修师的 705803 头奶牛中收集了超过 518 万份有蹄部记录的奶牛数据和 275 万次蹄部修剪记录，其中 240 万次同时记录了蹄部疾病。奶牛水平的数据用于描述性统计。这些数据仅限于 12 月龄的小母牛、荷斯坦、丹麦红牛、泽西和杂交奶牛的第一、第二和第三胎或以上胎次的奶牛。每个蹄修师每年的记录修剪次数从 132 次到 48040 次不等，平均值为 9556 次，并且在研究期间有所增加。在所有品种和胎次群体中，DD、IH、SU 和 WLA 的总流行率分别为 21%、6%、7%和 3%。在 5 年期间，这些病变的流行率保持相对稳定。2017 年，95%的牛群都记录了 DD。IH、SU 和 WLA 的流行率随着胎次的增加而增加。对蹄部病变的数字化记录可能是蹄部健康的一个很好的指标。但是，必须考虑记录程序和记录质量。
