Cow · by age

Calf: lab tests and health checks

A newborn animal in its first weeks and months, until it is weaned and growing.

Young calves are weakened quickly by scours, worms and tick fever, and they depend on the mother's first milk for protection. Lab tests help a farmer and vet protect growth and survival. This page lists the tests vets often ask about in calves.

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Why testing changes at this age

A calf is born with very few antibodies and gets them from the first milk. If it does not drink enough, it is far more likely to fall ill, so a blood check in the first days is valuable.

What vets often check

The main checks for a calf

Protection from first milk

A calf passive transfer test and a colostrum quality test show whether enough antibodies were taken in.

Scours

Rapid kits and RT-PCR panels look for rotavirus, coronavirus, Cryptosporidium and E. coli in scouring calves.

Worms and coccidia

Dung tests find worm eggs and coccidia that slow growth.

Tick fever

A blood smear and CBC look for tick-borne parasites in a calf with fever or pale gums.

A registered veterinarian chooses the tests that suit your animal's signs, age and history. This page is general information, not advice for one animal.

Health packages for a calf

Farm animals

Calf Health Check Pack

Blood count, colostrum protection, worms and coccidia checks for calves of cows and buffaloes.

CBC
Blood parasite smear
Calf passive transfer test (serum IgG / total protein)
Coccidia oocyst count (OPG)
Worm egg count
+ 3 more tests

Call to confirm

Tests to ask about

All cow tests

Haematology Popular

Complete Blood Count (CBC)

A CBC counts the red cells, white cells and platelets in a blood sample and can help show anaemia (low red cells), infection or inflammation (the body's reaction to injury). It suits dogs, cats, cows and buffaloes.

Whole blood (EDTA) · Popular

Sample: Whole blood (EDTA) (2 mL)
Report time: Same day to 24 hours

₹400

Haematology Popular

Blood Protozoa (Blood Parasite Smear)

Blood Protozoa (Blood Parasite Smear) looks at a stained drop of blood under the microscope for tick-borne and other blood parasites. It is used in dogs, cats, cows and buffaloes with fever, weakness or anaemia.

Whole blood (EDTA) · Popular

Sample: Whole blood (EDTA) (2 mL)
Report time: Same day to 24 hours

₹350

Rapid Kit Tests

Calf Diarrhoea Rapid Test (Rotavirus, Coronavirus, Cryptosporidium & E. coli K99)

The calf diarrhoea rapid test checks a fresh dung sample from a cow or buffalo calf for common scour germs, typically rotavirus, coronavirus, Cryptosporidium and E. coli K99. The exact organisms depend on the kit and are confirmed when you book.

Fresh faeces

Sample: Fresh faeces
Report time: Confirmed when you book

Call to confirm

RT-PCR / Molecular Tests

Calf Diarrhoea RT-PCR Panel

The Calf Diarrhoea RT-PCR Panel is a dung test that looks for the common germs behind scours in cow and buffalo calves. It typically covers rotavirus, coronavirus, Cryptosporidium, E. coli K99 and Salmonella, and the exact list is confirmed when you book.

Faeces

Sample: Faeces
Report time: Confirmed when you book

Call to confirm

Cow & Buffalo (Livestock) Tests

Calf Passive Transfer Test (Serum IgG / Total Protein)

The calf passive transfer test checks whether a newborn cow or buffalo calf absorbed enough antibodies from colostrum, using serum IgG or total protein. It is most useful in the first days of life.

Serum

Sample: Serum
Report time: Confirmed when you book

Call to confirm

Cow & Buffalo (Livestock) Tests

Fecal Worm Egg Count for Cattle & Buffalo

The worm egg count checks a fresh dung sample under the microscope and counts worm eggs. A high count may indicate a heavy worm load; your vet decides if the animal needs treatment.

Fresh dung

Sample: Fresh dung
Report time: Confirmed when you book

Price on request

Milk Tests

Colostrum Quality Test (Brix / IgG)

A colostrum quality test checks how rich the first milk of a cow or buffalo is in antibodies, using a Brix reading or an IgG measurement. It helps farmers and vets judge colostrum before it is given to a newborn calf.

Fresh colostrum

Sample: Fresh colostrum
Report time: Confirmed when you book

Call to confirm

Parasitology (Worms, Mites & Ticks)

Coccidia Oocyst Count (OPG)

A coccidia oocyst count (OPG) counts the egg-like stages of coccidia in each gram of faeces. It is mostly used for calves, puppies and kittens with diarrhoea, and helps your vet judge how heavy the infection is.

Fresh faeces

Sample: Fresh faeces
Report time: Confirmed when you book

Call to confirm

Guides for a calf

Dairy & Livestock 4 min read

Haemorrhagic Septicaemia and Black Quarter: Tests Farmers Should Know

Haemorrhagic septicaemia (HS) and black quarter (BQ) are fast, serious diseases of cattle and buffalo that often strike in the rainy season. A vet can take samples for RT-PCR to help confirm them, but speed matters more than waiting for a report.

18 Oct 2026

Age & Life Stage 4 min read

Calf Health in the First Weeks: Colostrum and Lab Tests

A newborn calf gets its first defence against infection from colostrum, its mother's first milk. A blood test and a colostrum check can show whether enough antibodies were taken in.

18 Oct 2026

Dairy & Livestock 4 min read

Calf Scours: Rapid Kits and RT-PCR Panels

Calf scours is diarrhoea in young calves, and the danger is dehydration. A rapid kit on fresh dung can point to rotavirus, coronavirus, cryptosporidium or E. coli K99, and an RT-PCR panel can search more widely. Call the vet first; the tests help find the cause.

18 Oct 2026

Questions about testing a calf

Why test a young cow calf's blood?

A blood test can show whether the calf took in enough antibodies from the first milk. A low result tells the vet the calf may need extra care. The lab gives no treatment advice.

How is a dung sample collected from a calf?

Collect fresh dung in a clean container and keep it cool. Do not take it from the ground. Your vet or the lab can tell you how to send it.

When does a scouring calf need a vet?

A calf that is weak, will not suckle, has sunken eyes or has watery or bloody dung needs a vet without delay.

Other ages:Growing Heifer Adult Cow Puppy Adult Dog Senior Dog Kitten Adult Cat Senior Cat Buffalo Calf Adult Buffalo Foal Adult Horse Senior Horse

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