Regular hoof trimming: Trim the hoof once a year in the spring and autumn after a census of the entire flock or after drying out milk and calving.

Accurately judge the shape of the hoof to prevent over-cutting. The length of the front hoof is 7.5-8.5 cm, the length of the toe of the hind hoof is 8-9 cm, and the thickness of the hoof sole is 5-7 cm.

Cut the inner toe as little as possible, make the inner toe as high as possible, and make the two toes the same height. When the cow is standing, the angle between the hoof surface and the toe bone and long axis should be appropriate.

The sole of the hoof should be inclined toward the axis side, that is, the axis side is more concave. In the second half of the toe, the closer to the toe gap, the greater the inclination.

When horny lesions occur, the back of the toe should be cut as low as possible, the loose horny part of the sole ball and hoof wall should be removed, the horny edge should be thinned, and the transition should be smooth. The dermis within the wound proliferates due to stimulation. If the protrusion is obvious and the base is narrow, the entire granulation tissue can be removed with a sharp knife.

When trimming the hoof of a lame cow, the hoof of the lame cow should be trimmed first. Because one limb is lame, the outer toe of the healthy limb must bear excessive weight. Because the affected toe often loses or is free of weight, the weight of the healthy limb will be continued. To ensure good function of the healthy limb, it should undergo functional hoof trimming. If the lameness is severe and the healthy limb cannot be lifted, place the sick cow in a feeding environment with clean, dry, soft ground to speed up recovery. When the lameness is relieved, the healthy limb can be trimmed as soon as possible. If the lameness does not improve significantly but worsens after a few days or a week after hoof trimming, the relevant toe should be examined in detail.

The hoof trimming time is arranged after the soil is defrosted and before the rainy season arrives. If the hoof is trimmed too early, the temperature will be low, and the hoof horniness will be hard and it will be difficult to trim the hoof; if the hoof is trimmed too late, the weather will be hot and rainy, making it difficult to care for the hoof after trimming and prone to infection.

All sick cattle that have been trimmed due to hoof disease should be fed in clean and dry pens to keep the hooves clean and reduce the chance of infection.