Breed profile

Ixworth Chicken

A rare British dual-purpose breed with strong relevance for animal welfare, genetic diversity and sustainable poultry breeding.

The Ixworth chicken provides an exceptional model for studying how performance, robustness, welfare traits and genomic diversity can be integrated into future-oriented breeding strategies.

Overview

Why the Ixworth chicken matters

The Ixworth is a dual-purpose chicken designed for both egg and meat production. Unlike highly specialized commercial lines, it combines productive traits with robustness, behavioural stability and useful genetic diversity. This makes the breed valuable both as a conservation resource and as a model for sustainable poultry breeding.

Phenotype characteristics

Observed dual-purpose performance

Growth 25.3–27.4 g/day

Cockerel growth rate during rearing.

Final weight 2166–2344 g

Average male body weight at 12 weeks.

Egg production 193–195 eggs

Eggs per hen housed over one laying period.

Egg weight 56.5–56.9 g

Mean egg weight across treatments.

Nest acceptance >97.5%

High suitability for structured egg recording.

Feed intake up to 140 g/day

Group-based feed consumption per bird.

These traits indicate that the Ixworth is suitable for dual-purpose use and provides measurable phenotypes for breeding, welfare and conservation research.

See Becker et al. (2023) for more information.

Dual-purpose

Balanced production profile

The breed is relevant for studying balanced laying and growth performance without reducing breeding goals to a single production trait.

Genomics

Distinct genetic profile

Whole-genome data supports the investigation of diversity, selection signatures and genomic regions associated with production and resilience.

Animal welfare

Welfare traits across generations

Behavioural and health traits such as nesting behaviour, feather pecking, footpad health and keel bone integrity can be evaluated systematically.

Resilience

Robustness as a breeding goal

The Ixworth population enables research into robustness, disease-related traits and the role of genetic diversity in resilient poultry systems.

Research value

What IxDataConnect aims to achieve

01

Connect phenotypes, pedigrees and genotypes through stable animal IDs

02

Compare performance and welfare traits across generations

03

Identify genomic patterns linked to robustness and welfare

04

Support evidence-based breeding and conservation decisions

Scientific background

Related publications

The Ixworth profile is based on prior work in dual-purpose performance, welfare assessment, whole-genome sequencing and comparative genomic analysis.

The British Ixworth: individual growth and egg production of a purebred dual-purpose chicken

Senta Becker, Wolfgang Büscher, and Inga Tiemann

Publication

Genomic analysis of the Ixworth chicken: insights into a local dual-purpose breed

Hendrik Bertram, Muhammad Jawad, Susann Michanski, Inga Tiemann, Armin O. Schmitt, and Mehmet Gültas

Publication

Whole-genome resequencing data of the Ixworth chicken breed

Hendrik Bertram, Muhammad Jawad, Susann Michanski, Inga Tiemann, Armin O. Schmitt, and Mehmet Gültas

Publication

Beyond productivity: Investigating keel bone fractures and welfare issues in the British dual-purpose breed Ixworth

Senta Becker, Wolfgang Büscher, and Inga Tiemann

Publication

Protected access

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