The cleanliness of cows tied in stalls and the health of their hooves as influenced by the use of electric trainers

摘要: The influence of the cleanliness cows' stalls on own and health their hooves was investigated in 52 dairy cows tied with long stanchions from 2 October 1989 to 7 May 1990 one Swedish herd. Twenty-six were provided electric cow trainers throughout this period, 14 did not have 12 had only for period between February May. hind feet evaluated Dermatitis interdigitalis (interdigital dermatitis) Erosio ungulae (heel-horn erosion) October, May, last occasion dry matter content sole horn measured. The average number cow-pats deposited floors less than one-third without them, approximately 30% cleaner. Between February, heel-horn erosion increased significantly trainers, decreased which February. prevalence inter-digital dermatitis all housing there no significant difference different groups. The greater even There a negative correlation level erosion.