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Pet & livestock health guides

Plain-language guides from our lab: what each test measures, when to test, and how to look after dogs, cats, cows and buffaloes.

Lab Tests Explained 4 min read

IgE Blood Tests in Itchy Pets: What They Can and Cannot Show

An IgE blood test can help show whether a dog's or cat's body is making allergy-type antibodies, but it cannot explain every itch. Mite and fungus tests are usually done first, and a vet reads the results together.

18 Oct 2026

Lab Tests Explained 4 min read

Vitamin D in Dogs and Cats: When a Vet Checks It

A vet checks vitamin D in a dog or cat when there are questions about bones, calcium or the kidneys. The result is read together with calcium, phosphorus and parathyroid hormone, never alone.

18 Oct 2026

Lab Tests Explained 4 min read

Babesia canis in Dogs: Signs, Smear and RT-PCR

Babesia canis is a tick-borne parasite that infects a dog's red blood cells. A blood smear can show it, and RT-PCR can confirm it when the smear is unclear.

18 Oct 2026

Lab Tests Explained 4 min read

Vaginal Cytology in Dogs: Timing the Heat and Breeding

Vaginal cytology in dogs studies cells from the vaginal wall on a stained slide. The cells change through the heat cycle, so the test helps a vet judge the stage reached.

18 Oct 2026

Lab Tests Explained 5 min read

Fungal Culture for Ringworm in Dogs and Cats

Fungal culture is the lab test used to confirm ringworm in dogs and cats. Hair and scale from the patch are grown on a special plate, and because fungi grow slowly the result takes longer than most tests.

18 Oct 2026

Age & Life Stage 5 min read

When Is a Dog Senior, and How Lab Checks Change

A dog counts as senior at different ages depending on its size and breed, with large dogs reaching it earlier than small ones. Lab checks grow from a baseline into a wider look at blood, kidneys, sugar and thyroid.

18 Oct 2026

Age & Life Stage 4 min read

Heart Blood Tests for Older Dogs: NT-proBNP and Troponin

NT-proBNP and troponin I are blood tests that can help your vet look at an older dog's heart, one for heart strain and one for heart muscle injury. Neither replaces a heart scan or an ECG.

18 Oct 2026

Age & Life Stage 4 min read

Heart Blood Tests for Cats: NT-proBNP and Troponin

Heart blood tests for cats are NT-proBNP, which can show heart strain, and troponin I, which can show heart muscle injury. Cats hide heart disease well, so these tests help a vet but never replace a heart scan.

18 Oct 2026

Age & Life Stage 4 min read

Thyroid Testing in Dogs: T4 and TSH at Different Ages

Thyroid testing in dogs usually means a T4 test and a TSH test read together, because each can mislead alone. Which dogs are tested depends on age, signs and other illness.

18 Oct 2026

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