Abstract
Influence of claw disorders on production and reproduction performance in observed herds of dairy cows
Highlights
Claw disorders occurrence is manifested by lameness, decreased BCS and reduction of production (Solano et al, 2015; Von Keyserling et al, 2012; Norring et al, 2014; Bicalho et al, 2009; Randall et al, 2015)
Claw disorders caused the deviations of production performance
First lactation cows affected by claw disorders produced more than healthy cows
Summary
Claw disorders occurrence is manifested by lameness, decreased BCS and reduction of production (Solano et al, 2015; Von Keyserling et al, 2012; Norring et al, 2014; Bicalho et al, 2009; Randall et al, 2015). Higher number of services per conception, later start of luteal activity and oestrus after calving as well as influence of lameness on oestrous intensity and external signs of oestrus reported Schrick et al (2001), Borsberry and Dobson (1989), Collick et al (1989), Petersson et al (2006), resp. Michie and Andonovic (2015), Thorup et al (2015) confirmed the influence of lameness on feed intake during the day. Claw disorders cause almost 90% of all lameness. The most frequent are digital dermatitis, interdigital dermatitis, sole ulcers, heel horn erosion and chronic laminitis (Weaver, 2000)
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