The Feline Tritrichomonas Project Better outcomes for cats
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What owners are reporting

Aggregated answers from the case report form. Everything here is self-reported, unverified, and self-selected. It is published because the pattern matters and nobody else is collecting it — not because it can stand in for a study.

0 case reports Self-selected — not a population rate Last verified 26 Oct 2026
Read this before quoting any number on this page. This is a voluntary, self-selected survey. Someone whose cat recovered and moved on is much less likely to find and complete it than someone whose treatment failed. That biases every figure here towards failure.

No submissions yet. The tables below fill in automatically once the first cases arrive: export them from the form service into data/submissions.csv and rebuild. The layout is complete and waiting.

Households and cats

The denominator that most owner discussions lack. A household reporting six cats of which two were positive is a different situation from two cats of which two were positive.

No data yet.

Diagnosis

A "positive" means different things depending on the test and on how the sample was collected. A positive on a direct smear and a positive on a fecal-loop PCR are not the same evidence.

No data yet.

What was used, and where it came from

Collected by category rather than by brand. A self-selected survey cannot support a statement about a named company's product, and a site that published one would be doing something both unfair and statistically meaningless.

No data yet.

Retesting, and whether a negative meant anything

The core question. Infection has been observed to relapse as long as 20 weeks after the last dose, so a negative test taken before then does not establish clearance — it is an early reading. The split between early and late negatives below is the number worth watching.

No data yet.

How these figures are produced

The form collects no name, no email address, no location finer than nothing at all, and no free text. Responses are exported to a spreadsheet, saved as a comma-separated file, and the site is rebuilt; the tables above are computed from that file at build time rather than entered by hand, so the arithmetic is reproducible and the same input always gives the same output.

Only aggregates are published. Raw rows are never shown, because a short row — a six-cat household with two positives, a pigeon-formula source and a retest at 20 weeks — can identify a household to anyone who knows them. That is also why individual entries cannot be deleted later on request: there is nothing stored that points back to a person.

What this will never be able to tell you. Whether ronidazole works. That needs a prospective trial with a denominator and a control, and it is listed as an open question. What this can do is show that a pattern exists at a scale worth studying, and give a researcher a starting point with real households in it.