The neck chains are a common way of identification with dairy cattle. Approximately 95% of lameness in dairy cattle occurs in the feet. North Carolina has large grazing areas for beef and dairy cattle. They are known for their outstanding milk production among the main breeds of dairy cattle. Equally large numbers practice a combination of both farming and livestock (often dairy cattle) rearing. The base of most lactating dairy cattle diets is high quality forage. A robotic milker can be used for precision management of dairy cattle. Using frozen semen for dairy cattle has been done since the 1950s. For example, special measures may be required in barns used for milking dairy cattle. Total mixed ration (TMR) is a method of feeding dairy cattle. Several mycotoxins reduce milk yield when ingested by dairy cattle. There is also extensive animal husbandry, with dairy cattle predominating. They were often kept alongside dairy cattle herds. Meat and wool sheep and meat and dairy cattle. Similarly, the Canadian Veterinary Medical Association opposes docking tails of dairy cattle.