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Breed · Cattle breed

Guernsey

Also known as: Guernsey cattle

The Guernsey is a fawn-and-white dairy breed from the Channel Island of Guernsey, known for rich, golden-tinged milk and a docile temperament.

Dated referenceLast reviewed: 2026-07-12Updated: 2026-07-12
Illustrative diagram · AgricultureID (original)

Record

Livestock breed
Breed of
Cattle
Species
Cattle (Bos taurus)
Type
Dairy
Origin
Island of Guernsey, Channel Islands, Guernsey (Channel Islands)
Recognition
Registered
Conservation status
Not establishedReported per source and date (e.g. FAO DAD-IS); not a fixed property of the breed.
Registries
  • FAO DAD-IS · Global · as of 2026-07-12Recorded internationally as a dairy breed.
  • Guernsey Island and national Guernsey herd books · MultipleIsland and national breed associations maintain the herd books; record identifiers are not asserted here.
Adaptation
Kept mainly in temperate dairy regions and well suited to grazing systems.
Primary uses
Milk production, Niche and branded dairy products

Registry listing or variety protection is jurisdiction- and date-specific and does not by itself indicate current commercial availability, universal cultivation approval, patent status, or a recommendation.

The Guernsey is a dairy breed developed on the Channel Island of Guernsey, one of the group of islands that also produced the Jersey. Like its neighbour, it was shaped by a relatively closed island population and long selection for dairy character.

Guernseys are fawn (shades of tan to red) with white markings, and are of moderate size — larger than the Jersey but smaller than the main mainland dairy breeds. The breed is particularly associated with rich milk that carries a golden tint attributed to its carotene content.

Origin and development

The breed was developed on the island of Guernsey, where import controls kept the population largely closed and selection focused on dairy qualities. Exports established Guernsey herds in Great Britain, North America, and elsewhere, supported by island and national herd books.

Over the 20th century the Guernsey remained a specialist dairy breed prized for milk quality, though in several countries its numbers declined relative to higher-volume breeds, and conservation-minded organisations have monitored some national populations.

Characteristics and use

Guernseys are moderate-sized dairy cattle with a fawn-and-white coat and a reputation for a calm, manageable temperament. The breed is kept for milk, with surplus animals entering beef supply.

Its milk is known for richness and a characteristic golden colour associated with beta-carotene, which has supported niche and branded dairy marketing. Guernseys are often kept in pasture-based systems where their efficiency and temperament are valued.

Adaptation and management

The breed is kept mainly in temperate dairy regions and suits grazing systems well. As with other dairy breeds, milk quality and yield depend heavily on feeding, health, and management.

Scope & limitations

Geographic scope: Global overview of the breed; herd-book rules and management practices vary by country.

Climate context: A temperate-origin dairy breed well suited to pasture-based systems.

  • Guernsey characteristics and milk quality vary with line, management, and environment; the golden tint and richness are characteristic traits rather than fixed values.
  • No milk-composition or bodyweight figures are given here because they depend on line, feeding, and lactation stage; current data should come from breed associations and recording.
  • FAO DAD-IS records the Guernsey conservation status by country and population and updates it over time, so no single global risk category is assigned here (shown as unknown); some national populations are separately monitored.
  • Herd health, welfare, and breeding decisions are governed by local regulation and veterinary advice and fall outside this record.

Sources

This article draws on the following authoritative sources. See our sources & methodology for how they are selected.

  1. [1]DAD-IS — Domestic Animal Diversity Information System (opens in a new tab)

    FAO Commission on Genetic Resources for Food and Agriculture

    Authoritative

    Cited for: Breed record and distribution

    Type:
    Official registry
    Jurisdiction:
    Global
    Accessed:
    2026-07-12
  2. [2]NCBI Taxonomy (opens in a new tab)

    U.S. National Center for Biotechnology Information (NCBI)

    High

    Cited for: Species-level taxonomy (Bos taurus)

    Type:
    Reference database
    Jurisdiction:
    Global
    Accessed:
    2026-07-12
  3. Cited for: Breed history and conservation monitoring in North America

    Type:
    Official registry
    Jurisdiction:
    United States
    Accessed:
    2026-07-12
  4. Moderate

    Cited for: General breed description

    Type:
    Reference database
    Jurisdiction:
    Global
    Accessed:
    2026-07-12

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