the appalling conditions of a dog training centre where illegal pitbulls covered in scars were forced to wear electric shock collars and train on treadmills has been caught in shocking footage .
rspca officers discovered the five illegal pit bull terrier-type dogs at a make-shift farm in lancashire where they had been brutally trained to take part in illegal dog fights .
the footage shows the animals were held in electrical shock collars , covered with scars and were ordered to be destroyed .
three men involved in illegal dog fights have been fined a total of £ 40,000 for a catalogue of appalling animal cruelty offences .