Cattle health3 min read
Newborn calf care: colostrum and the first 24 hours that decide its life
A calf is born with almost no immunity. How much colostrum to give and how fast, navel care, and the daily routine that keeps calves alive and growing.
Most calf deaths happen in the first weeks of life, usually from diarrhoea or pneumonia. The good news: the most important protection costs nothing. It is the mother's first milk, colostrum (শাল দুধ), given quickly and in the right amount.
Why colostrum is so important
A calf is born without protective antibodies. Colostrum is packed with them, and the calf's gut can absorb them only for a short time after birth: absorption is best in the first few hours and has almost stopped by about 24 hours. Colostrum also gives energy, vitamins and warmth.
Never throw away the first milk because it looks thick or yellow. It is the calf's first vaccine.
The colostrum rule: quick, enough, clean
| When | How much |
|---|---|
| Within 1–2 hours of birth | About 5% of the calf's body weight |
| Within 12 hours of birth | Another 5% of body weight |
So a 25 kg local calf needs about 1.25 litres in the first feed and the same again within 12 hours; a 40 kg crossbred calf needs about 2 litres each time. Weak calves may need help with a clean bottle. If the mother has no milk or has mastitis, use colostrum from another fresh cow in your herd (keep some frozen for emergencies).
Right after birth
- Clear the nose and mouth of mucus so the calf can breathe.
- Let the mother lick the calf, or rub it dry with clean straw or a towel. This warms it and gets the blood moving.
- Dip the navel in an iodine solution soon after birth and again the next day. An infected navel is a common start of joint and blood infections.
- Make sure the calf stands and suckles, or feed colostrum yourself.
- Put the calf on clean, dry bedding away from draughts.
The first two months
- Milk: about 10% of body weight per day, split into two feeds at the same times each day. Keep bottles and buckets clean.
- Water: clean water from the first week. Calves drink more than many farmers expect.
- Calf starter and soft grass: offer a little from the second week. Eating solid feed early grows the rumen and makes weaning easier.
- Weaning: many farms wean at about 2–3 months, once the calf is eating solid feed well.
- Deworming: in the first month and then as your vet advises.
- Tagging: give an ear tag and record the calf within 7 days.
Danger signs: call the vet
- Watery or bloody diarrhoea, especially with sunken eyes (dehydration)
- Fast breathing, cough or nasal discharge
- Swollen, hot or smelly navel
- Not drinking milk, or unable to stand
For diarrhoea, keep giving oral rehydration solution between milk feeds while you wait for the vet. Do not stop milk completely for days; the calf needs the energy.
Housing that keeps calves healthy
- Dry floor and bedding, changed often
- Fresh air but no cold draughts at calf height
- Separate pens for calves for the first weeks, so diseases don't spread
- Clean feeding equipment after every use
Record it from day one
In FarmFlows, record the calving under Breeding; you can add the calf right there with its tag, and the mother and father are linked automatically. Add weights as the calf grows and record any treatment under Health. Good records show which calves are falling behind.
Quick checklist
- Colostrum within 1–2 hours, 5% of body weight, and again within 12 hours
- Iodine on the navel at birth and the next day
- Clean, dry, draught-free pen
- Milk about 10% of body weight a day, water and starter from week 1–2
- Tag and record within 7 days