Abstract
Received: 2018-05-07 | Accepted: 2018-05-14 | Available online: 2018-11-26 https://doi.org/10.15414/afz.2018.21.04.194-196 Foot and claw diseases/disorders from 24 545 lactations of 10 340 Holstein cows were recorded on 7 farms in the Czech Republic from 1999 to 2018. There were defined a three groups of foot and claw disorders/diseases: diseases of skin (SD), which cover digital, interdigital dermatitis and interdigital phlegmon; then disorders of the claw horn (CH) including ulcers, white line disease, horn fissures, together with double sole and overall claw diseases (OCD) ingluding all the recorded disorders. The OCD ratio observed during 1 th and 305 th days of lactation was 52.56% of all evaluated lactations. The observed ratio of SD and CH were 28.61% and 27.15%, respectively. A foot and claw disorders were defined as 0/1 occurrence per lactation, for the purposes of analyses,. Genetic parameters were estimated using by linear animal models for evaluated traits. Models included the random additive genetic effect of animal (A), the permanent environmental effect of cow (PE), fixed effects of parity, farm, year and season of calving, and age at calving as discreet variables in classes. The estimated heritability were 13.84%, 12.64% and 9.83%, 8.73% and 9.97%, for OCD, CH, SD, ulcers (U) and for dermatitis digitalis and interdigitalis (DD), respectively. Genetic correlation was 17.66% between SD and CH, whereas traits SD and DD equal high genetic similarity (98.4%). Also correlation between CH and U traits was high (92.62%). The presented results indicate to possibility of selection against foot and claw disorders/diseases for Czech Holstein population. The work was supported by the project QJ1510144 and the institutional support MZE-RO0718 of the Ministry of Agriculture of the Czech Republic. Keywords : cattle, foot and claw disorders, genetic parameters, health traits, udde References Buch, L. H., A. C. Sorensen, J. Lassen, P. Berg, J. A. Eriksson, J. H. Jakobsen, M. K. Sorensen (2011) Hygiene-related and feed-related hoof diseases show different patterns of genetic correlations to clinical mastitis and female fertility. J. Dairy Sci., 94, 1540-1551. Chapinal, N., A. Koeck, A. Sewalem, D. F. Kelton, S. Mason, G. Cramer,F. Miglior (2013) Genetic parameters for hoof lesions and their relationship with feet and leg traits in Canadian Holstein cows. J. Dairy Sci., 96, 2596-2604. Egger-Danner, C., O.K. Hansen, K. Stock, J.E. Pryce, J. Cole, N. Gengler, B. Heringstad (2013) Challenges and benefits of health data recording in the context of food chain quality, management and breeding. ICAR Technical Series. Groeneveld, E., M. Kovac, and N. Mielenz (2008) VCE User’s Guide and Reference Manual, Version 6.0. Krpalkova, L., M. Stipkova & M. Krejcova, 2016. Vliv zdravi paznehtů a urovně reprodukce na výkonnost a zisk stada dojnic. Nas chov, 76 (9), 58-63. Krupova, Z., Krupa, E., Michalickova, M., Wolfova, M., Kasarda, R. (2016) Economic values for health and feed efficiency traits of dual-purpose cattle in marginal areas. Journal of Dairy Science, ,. 99, s. 644-656. Madsen, P. , J. Jensen. 2010. DMU – a package for analysing multivariate mixed models. Version 6, release 5.0., Aarhus University, Foulum, Denmark. Perez-Cabal, M. A. ,N. Charfeddine, N. (2015) Models for genetic evaluations of claw health traits in Spanish dairy cattle. J. Dairy Sci., 98 (11), 8186-8194. Sogstad, A. M., T. Fjeldaas, O. Osteras, K. P. Forshell. (2005) Prevalence of claw lesions in Norwegian dairy cattle housed in tie stalls and free stalls. Prev. Vet. Med., 70, 191-209. van der Spek, D., J.A. van Arendonk, A.A. Vallee, H. Bovenhuis (2013) Genetic parameters for claw disorders and the effect of preselecting cows for trimming. J Dairy Sci., 96 (9), 6070-6078. van der Waaij, E. H., M. Holzhauer, E. Ellen, C. Kamphuis, G.de Jong. (2005) Genetic parameters for claw disorders in Dutch dairy cattle and correlations with conformation traits. J. Dairy Sci., 88, 3672-3678.
Highlights
Claw and foot diseases/disorders are among the most important health traits in dairy cattle with noticeable negative impact on farm profitability and production efficiency, animal welfare, food safety and quality (van der Waaij et al, 2005, Egger-Danner et al, 2013)
Genetic selection depends on sufficient genetic variability that is manifested by particular claw disease/disorder as was showed in many published scientific papers e.g. Buch et al (2011), Chapinal et al, (2013) or Pérez-Cabal &Charfeddine (2015).The direct economic importance of claw diseases as breeding objectives were observed by authors Krupová et al (2016)
The aim of our study was to analyze the frequencies of claw and foot diseases/ disorders recorded in the Czech Republic including estimation of genetic parameters for the analyzed traits
Summary
Claw and foot diseases/disorders are among the most important health traits in dairy cattle with noticeable negative impact on farm profitability and production efficiency, animal welfare, food safety and quality (van der Waaij et al, 2005, Egger-Danner et al, 2013). Claw and foot diseases/disorders cause impairing the milk production, reproduction and longevity of cow. Genetic selection depends on sufficient genetic variability that is manifested by particular claw disease/disorder as was showed in many published scientific papers e.g. Buch et al (2011), Chapinal et al, (2013) or Pérez-Cabal &Charfeddine (2015).The direct economic importance of claw diseases as breeding objectives were observed by authors Krupová et al (2016). The aim of our study was to analyze the frequencies of claw and foot diseases/ disorders recorded in the Czech Republic including estimation of genetic parameters for the analyzed traits
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