Swollen legs in mini cows may seem like a minor problem, but they can sometimes signal a more serious health issue. From hoof injuries to infections, several conditions can cause swelling and discomfort. Knowing what to look for and when to call a veterinarian can make a big difference in keeping your mini cow healthy and comfortable.
Mini cow leg swelling can have multiple causes, and being able to identify the cause can help you give your animal the treatment it needs.

Swelling may be difficult to detect, particularly in miniature cows with dense fur. Be sure to frequently examine your miniature cow’s legs, hooves, and walking behavior.
Warning signs include:
If the swelling develops suddenly, becomes severe, or is accompanied by fever or an inability to stand, contact a veterinarian immediately.
Keep your mini cow in a clean and dry place with a good floor to avoid getting hurt again. In case you think that he or she might have a leg injury, try to let it rest and inspect the spot for any injuries or foreign objects.

Do not make your cow walk unnecessarily or give it any medication without a vet’s advice. Leave the task of exploring the cause of the injury and the required treatment to the professional. Do not attempt to treat large wounds or drain the swelling on your own.
Monitor the progress of the swelling, loss of appetite, and changes in the cow’s gait. If you notice that the swelling is getting worse, or the cow is limping severely, seek the help of a veterinarian.
Good daily care can reduce a lot of leg troubles. Balanced food, plenty of clean water, good bedding, regular hoof inspections and enough room to move around. Avoid the slippery, pitted or rough ground in their walking places.
If you need any help with your mini cow’s care, make sure to hold regular health inspections and consult a trusted and experienced vet in case of any unusual swellings, limping, or behavior. By providing complex mini cow care and supervision, you will help your animal to stay healthy and happy.
References Link: https://www.researchgate.net/figure/Cow-with-swelling-of-legs-dry-necrosis-and-gangrenous-lesion_fig1_316990376