الفهرس 
المقدمةOnly 14 pages are availabe for public view
 |  | from | 130 |  |  |
| | | from | 130 | | |
Abstract
Lameness is one of the three most important health problems after reproductive problems and other infections in dairy farms, which cause early exclusion of dairy cows from the herd.
Studies have shown and that about 25% of the cows in the sower in the world are excluded annually due to lameness.
The economic importance due to limp to it causes direct losses in productivity and quality of milk and carcass quality and an increase in reproductive problems and the percentage of
Forced exclusion from Alkotaiauxiaodh costs of medicines and veterinary services.
It was found that the total loss of almost 446 U.S. dollars per head in the United Kingdom.
Previous studies showed that hoof injuries account for 90% of Assab Aerh in dairy farms and most of hoof injuries linked to the environment in which they live animals (microbes - and heat stress - the problems associated with animal welfare) or nutrition that causes red the hoof or errors trim the hoof.
The imbalance of food and feed safety and feeding the farm system of the most important causes of red hoof.