---
type: "News"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/news/268649016.md"
description: "Merck Animal Health has received conditional approval from the FDA for EXZOLT CATTLE-CA1, a drug used for the prevention and treatment of New World screw-worm larval infections in cattle, which will be available by prescription in the first quarter of 2026"
datetime: "2025-12-04T17:16:59.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/268649016.md)
  - [en](https://longbridge.com/en/news/268649016.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/268649016.md)
---

> 支持的语言: [English](https://longbridge.com/en/news/268649016.md) | [繁體中文](https://longbridge.com/zh-HK/news/268649016.md)


# 

Merck Animal Health has received conditional approval from the U.S. Food and Drug Administration (FDA) for EXZOLT CATTLE-CA1. This is a pour-on solution used for the prevention and treatment of infections caused by New World screwworm larvae in cattle. The drug will be available by prescription in the first quarter of 2026

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- [Merck (MRK.US)](https://longbridge.com/zh-CN/quote/MRK.US.md)

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