Brandwave

MSD Animal Health vs Zoetis:Which is more popular?

In September 2026, Zoetis had more branded searches than MSD Animal Health among animal health brands worldwide. Zoetis had about 110,000 branded searches, while MSD Animal Health had 18,000. Zoetis made up 39.8% of all animal health brand searches we track, and MSD Animal Health accounted for 6.5%. When we asked ChatGPT and Google AI Overviews about animal health brands, MSD Animal Health and Zoetis each appeared in two of the five answers. Zoetis was mentioned before MSD Animal Health in every answer.

Among animal health brands worldwide in September 2026

Who do people search for more?

Zoetis, about 6 searches for every 1 for MSD Animal Health

Zoetis 110K searchesMSD Animal Health 18K searches

Who does AI mention more?

Both were mentioned in 2 of 5 answers.

MSD Animal Health in 2 of 5Zoetis in 2 of 5

Who does AI recommend more?

Zoetis, named ahead of MSD Animal Health in every answer

Zoetis first in 2MSD Animal Health never first

Follow MSD Animal Health vs Zoetis and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top animal health brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, MSD Animal Health and Zoetis were each mentioned in two out of five: in two of the three ChatGPT answers, but not in either of the two Google AI Overviews. Zoetis was listed before MSD Animal Health in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Zoetis1st
  2. MSD Animal Health2nd
  3. Boehringer Ingelheim Animal Health3rd
  4. Elanco4th
  5. Virbac5th
  6. Bomac–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Zoetis2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • MSD Animal Health2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Boehringer Ingelheim Animal Health2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Virbac1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Elanco1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Bomac0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about animal health brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 20, 2026.

Is MSD Animal Health or Zoetis more popular in search?

This chart shows how often people search Google for MSD Animal Health and Zoetis by name. Each line represents a brand's share of searches for all six animal health brands we track, month by month, from English-language searches worldwide.

MSD Animal Health and Zoetis among animal health brands worldwide, by month

Share of searches by month for Zoetis, MSD Animal Health. The figures are in the table below the chart.

View monthly share of searches table
MonthZoetisVirbacElancoMSD Animal HealthBoehringer Ingelheim Animal HealthBomac
Oct 202539.1%32.2%17.6%7.8%1.9%1.3%
Nov 202550.8%27.8%12.5%5.5%1.4%2%
Dec 202544.3%29.8%16.3%6.6%1.8%1.2%
Jan 202639.8%32.8%17.9%6.5%2%1%
Feb 202642.5%28.6%19.1%7%1.7%1.1%
Mar 202639.5%32.5%17.8%7.3%1.9%1%
Apr 202640%32.9%18%6.5%1.6%1.1%
May 202639.9%32.8%17.9%6.5%1.6%1.3%
Jun 202635.2%35.2%19.3%7%2.1%1.1%
Jul 202639.8%32.8%17.9%6.5%2%1%
Aug 202639.7%32.7%17.9%6.5%1.9%1.3%
Sep 202639.8%32.8%17.9%6.5%2%1%

How has the MSD Animal Health and Zoetis comparison changed over the last 12 months?

3 findings

How did search popularity change for animal health brands worldwide in September 2026?

1 change
  1. Estimated monthly branded searches for MSD Animal Health worldwide fell 18.2% over 12 measured months, from 22K to 18K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using MSD Animal Health’s and Zoetis’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

MSD Animal Health

2 branded search terms

  • merck animal health
  • msd animal health

Zoetis

1 branded search term

  • zoetis

How the Brand Demand Index is measured

Other head-to-heads among animal health brands

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.