Abstract
BackgroundLameness represents the third most important health-related cause of economic loss in the dairy industry after fertility and mastitis. Although, dairy Mediterranean Buffaloes (MB) and dairy cows share similar breeding systems predisposing to similar herd problems, published studies exploring its relevance and role in these ruminants are still rare and incomplete. The aims of this study were to describe the clinical findings of foot disorders (FDs) in dairy MB and their influence on animal welfare, determined by assessment of locomotion score (LS), body condition score (BCS) and cleanliness score (CS).ResultsOf 1297 multiparous MB submitted to routine trimming procedures, 229 buffaloes showed at least one FD. The prevalence of buffaloes affected by FDs was 17.7 %, while motility and lameness indexes were 84.1 % (1091/1297) and 15.9 % (206/1297), respectively. Overgrowth was present in 17.0 % (220/1297), corkscrew claw in 15.8 % (205/1297), interdigital phlegmon in 0.9 % (12/1297), white line abscess in 0.8 % (11/1297), digital dermatitis in 0.1 % (1/1297) and interdigital hyperplasia in 0.1 % (1/1297). Simultaneous presence of FDs was recorded in 17.0 % of MB (221/1297): overgrowth and corkscrew claw occurred together in 15.8 % of cases (205/1297), overgrowth and interdigital phlegmon in 0.3 % (4/1297), overgrowth and white line abscess in 0.8 % (11/1297), digital dermatitis and interdigital hyperplasia in 0.1 % (1/1297). The presence of FDs was always associated with lameness (LS > 2), except from 23 MB with simultaneous overgrowth and interdigital phlegmon occurrence. The majority of MB within the under-conditioned group (95.5 %, 43/45) and all those with CS > 2 (122/122) had a locomotion score above the threshold of normality (LS > 2). Furthermore, foot diseases such as interdigital hyperplasia, white line abscess and digital dermatitis or interdigital hyperplasia seemed to occur more frequently associated with decreased BCS and increased CS scores.ConclusionsThis study describes for the first time the involvement of white line disease, interdigital phlegmona, digital dermatitis and interdigital hyperplasia in foot disorders of dairy Mediterranean buffalo and shows their association with an impairment of animal welfare.
Highlights
Lameness represents the third most important health-related cause of economic loss in the dairy industry after fertility and mastitis
These ruminants and dairy cows share similar breeding systems predisposing to similar herd problems [7], only reproductive disorders [8] and mastitis [9, 10] have been recognized as cause of important economic loss in Mediterranean Buffaloes (MB) so far
Prevalence of foot disorders The prevalence of animals affected by FDs was 17.7 % (229/1297): overgrowth (OG) was present in 17.0 % (220/1297) of the MB enrolled, corkscrew claw (CC) in 15.8 % (205/1297), interdigital phlegmon (IP) in 0.9 % (12/1297), white line abscess (WLA) in 0.8 % (11/1297), digital dermatitis (DD) in 0.1 % (1/1297) and interdigital hyperplasia (IH) in 0.1 % (1/1297)
Summary
Lameness represents the third most important health-related cause of economic loss in the dairy industry after fertility and mastitis. Dairy Mediterranean Buffaloes (MB) and dairy cows share similar breeding systems predisposing to similar herd problems, published studies exploring its relevance and role in these ruminants are still rare and incomplete. Lameness due to foot disorders represents the third most important healthrelated cause of economic loss in dairy industry after reproduction disorders and mastitis [3]. In Europe, the number of Mediterranean Buffaloes (MB) bred is ~450.000 animals, of which ~84 % is from Italy [6] These ruminants and dairy cows share similar breeding systems predisposing to similar herd problems [7], only reproductive disorders [8] and mastitis [9, 10] have been recognized as cause of important economic loss in MB so far. Foot diseases were always considered virtually non-existent in MB herds [11]; as a consequence, only a few and incomplete studies exploring the role and economic relevance of foot disorders (FDs) in this dairy population have been performed [11, 12]
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