AHDB Dairy lameness resources
Cattle Hoof Care Standards Board (hoofcareregister.co.uk)
Lameness Management in Dairy Herds – Neil Chesterton (New Zealand) (lamecow.co.nz)
National Association of Cattle Foot Trimmers (NACFT)
National Animal Disease Information Service (NADIS)
NPTC City and Guilds level 3 foot trimming qualification and trimming assessment schedule
Register of Mobility Scorers (roms.org.uk)
University of Minnesota lameness extension (umn.edu)
Wisconsin University Food Animal Production Medicine lameness webpage
The following fact sheets are available through NADIS:

Claw Trimming http://www.nadis.org.uk/bulletins/lameness-control-in-dairy-herds/part-1-practical-foot-trimming-(dutch-5-step-method).aspx
Mobility scoring http://www.nadis.org.uk/bulletins/lameness-control-in-dairy-herds/part-2-mobility-scoring-how-do-you-score.aspx
Digital dermatitis http://www.nadis.org.uk/bulletins/lameness-control-in-dairy-herds/part-5-digital-dermatitis-causes-treatment-and-control.aspx

Foot bathing http://www.nadis.org.uk/bulletins/lameness-control-in-dairy-herds/part-6-foot-bathing.aspx
Cubicle comfort http://www.nadis.org.uk/bulletins/lameness-control-in-dairy-herds/part-7-cubicle-comfort.aspx
Cow tracks http://www.nadis.org.uk/bulletins/lameness-control-in-dairy-herds/part-8-cow-tracks.aspx
Healthy feet resources : https://dairy.ahdb.org.uk/resources-library/technical-information/ahdb-dairy-feet-programme/?page=2#.WPobQE32bIU
Healthy feet programme: https://dairy.ahdb.org.uk/technical-services/healthy-feet-programme/#.WPobIk32bIU
Welfare outcomes score cards and films: https://dairy.ahdb.org.uk/technical-information/animal-health-welfare/welfare-assessment/#.WPobq032bIU
Research pages:

Lameness control: https://dairy.ahdb.org.uk/research-development/health-welfare/current-projects/lameness-control-in-dairy-cows/#.WPocFk32bIU
Digital dermatitis: https://dairy.ahdb.org.uk/research-development/health-welfare/current-projects/digital-dermatitis-transmitted-between-dairy-cows/#.WPocMU32bIU
Literature review: https://dairy.ahdb.org.uk/research-development/health-welfare/completed-projects/treatment-and-prevention-of-lameness-in-cattle/#.WPocWE32bIU
Webinars: There are few webinars on lameness with Jon Huxley, Richard Laven, Neil Chesterton and on cow comfort with Nina von Keyserlingk. The full list is here: https://www.youtube.com/playlist?list=PLbxhW7-AcgGWbM_ghrkza5VHAARM57LCg