Healthy cattle mean better milk production, faster growth, healthier calves, and more profit. Unfortunately, diseases are common and can spread quickly if not detected early.
Knowing the signs of common cattle diseases can help you act fast and protect your herd.
Here are 10 of the most common cattle diseases found in South Africa.
1. Lumpy Skin Disease (LSD)
What is it?
Lumpy Skin Disease is caused by a virus and spreads mainly through biting insects like mosquitoes and flies.
Signs to look for:
- Hard lumps on the skin
- Fever
- Swollen legs
- Runny eyes and nose
- Reduced milk production
- Weight loss
Prevention:
- Vaccinate your cattle every year.
- Control flies and mosquitoes.
- Isolate sick animals.
2. Foot and Mouth Disease (FMD)
What is it?
Foot and Mouth Disease is a highly contagious viral disease that spreads very quickly between animals.
Signs:
- Blisters in the mouth
- Blisters between the hooves
- Excessive drooling
- Limping
- Loss of appetite
Prevention:
- Buy animals only from trusted sources.
- Report suspected cases immediately.
- Avoid moving animals during outbreaks.
3. Heartwater
What is it?
Heartwater is spread by bont ticks and is common in many parts of Southern Africa.
Signs:
- High fever
- Nervous behaviour
- Walking in circles
- Muscle twitching
- Sudden death
Prevention:
- Regular tick control.
- Vaccinate where recommended.
- Inspect cattle often for ticks.
4. Redwater (Babesiosis)
What is it?
Redwater is a disease spread by ticks that attacks the red blood cells.
Signs:
- Fever
- Weakness
- Red or dark urine
- Pale gums
- Loss of appetite
Prevention:
- Good tick control.
- Early veterinary treatment.
- Vaccination in high-risk areas.
5. Anaplasmosis (Gallsickness)
What is it?
This bacterial disease is also spread by ticks and biting flies.
Signs:
- Fever
- Pale eyes and gums
- Weight loss
- Weakness
- Yellow colouring of the eyes
Prevention:
- Control ticks.
- Use clean needles.
- Treat infected animals early.
6. Brucellosis
What is it?
Brucellosis is a bacterial disease that mainly affects breeding cattle.
Signs:
- Abortions in pregnant cows
- Weak calves
- Reduced fertility
- Swollen joints in some animals
Prevention:
- Vaccinate young heifers.
- Test breeding animals regularly.
- Remove infected animals from the herd.
7. Blackquarter (Blackleg)
What is it?
Blackquarter is caused by bacteria found in the soil and mainly affects young cattle.
Signs:
- Sudden lameness
- Swollen muscles
- Fever
- Sudden death
Prevention:
- Vaccinate before the rainy season.
- Dispose of dead animals safely.
8. Mastitis
What is it?
Mastitis is an infection of the udder and is one of the biggest problems in dairy cattle.
Signs:
- Swollen udder
- Pain during milking
- Clotted or watery milk
- Lower milk production
Prevention:
- Keep milking equipment clean.
- Wash hands before milking.
- Treat infected cows quickly.
9. Three-Day Stiff Sickness
What is it?
This viral disease is spread by mosquitoes.
Signs:
- High fever
- Stiff muscles
- Difficulty walking
- Loss of appetite
- Reduced milk production
Prevention:
- Control mosquitoes.
- Vaccinate where available.
10. Tick Infestations
Why it matters
Ticks do not only irritate cattle—they also spread dangerous diseases such as Heartwater, Redwater and Anaplasmosis.
Signs:
- Visible ticks
- Skin irritation
- Hair loss
- Weight loss
- Reduced growth
Prevention:
- Dip or spray cattle regularly.
- Keep grazing areas clean.
- Inspect animals every week.
Simple Ways to Keep Your Cattle Healthy
Good management prevents many diseases.
- ✔ Vaccinate your cattle according to your veterinarian's advice.
- ✔ Control ticks, flies, and mosquitoes.
- ✔ Provide clean water every day.
- ✔ Feed a balanced diet with the right minerals and supplements.
- ✔ Isolate sick animals immediately.
- ✔ Clean feeding and watering equipment regularly.
- ✔ Buy animals only from trusted farms.
- ✔ Contact a veterinarian if an animal becomes sick.
When Should You Call a Veterinarian?
Don't wait if you notice:
- High fever
- Difficulty walking
- Animals refusing to eat
- Sudden deaths
- Abortion in pregnant cows
- Large swellings or skin lumps
- Blood in urine
- Severe diarrhoea
Early treatment can save your animals and reduce losses.
Final Thoughts
Many cattle diseases can be prevented with good management, regular vaccination, proper nutrition, and effective parasite control. Checking your animals every day helps you spot problems early, before they spread through the herd.
Healthy cattle are more productive, grow better, produce more milk, and bring greater profits to your farm.
Need quality veterinary medicines, vaccines, supplements, or diagnostic kits? Explore Vetora's range of trusted animal health products to help protect your herd throughout the year.
