Content related to the topic: genetics

2 December 2025

New genomic Jersey list highlights young sires

All appears to have changed amongst Jersey sires in the December AHDB rankings, but this reflects a switch of focus to young bulls with genomic indexes, which are now widely used by UK farmers.

7 April 2026

Health and efficiency improve across dairy breeds

An exceptional package of health traits sees young sire VJ Husted Splash Sultan reassert his lead in AHDB's young genomic Jersey rankings.

11 August 2026

Young movers and shakers lead the Jersey breed

Young genomic sires are playing an increasingly important role in the UK Jersey breed in the new Profitable Lifetime Index (£PLI) ranking, published today.

11 August 2026

Autumn block-calving herds poised to choose their next generation

August's Autumn Calving Index (£ACI), published today, is the recommended genetic index where autumn calving is in a tight block.

7 April 2026

Bulls ranked on new £SCI show production efficiency

The April release of AHDB's dairy genetic evaluations is the first using the updated Spring Calving Index model and the revisions have produced a shake‑up at the top

2 December 2025

Spring Calving Index brings choice across the breeds

Those using the recommended Spring Calving Index (£SCI), which has been updated this month by AHDB, will find plenty of choice across the Jersey and black and white breeds.

21 August 2025

Clean sweep by AltaSeverus for seasonal calving herds

Exceptional daughter health and high-quality milk production have earned the newly proven bull, Peak AltaSeverus, number one position for both seasonal calving indexes – Autumn Calving Index (£ACI) and Spring Calving Index (£SCI) – in the AHDB genetic evaluations, published this week.

21 August 2025

Top genetic value from new young sire

A new high health and efficiency young sire has entered the running in the genomic index ranking, published today by AHDB.

21 August 2025

Six new graduates enter AHDB top 10 proven £PLI ranking

Six new daughter-proven sires graduate into the top 10 ranking for Profitable Lifetime Index (£PLI), published today by AHDB.

2 December 2025

Top butterfat and efficiency from leading proven Holstein sire

Genetic evaluations for daughter-proven Holstein dairy sires have been published this month by AHDB.

2 December 2025

UK-bred Coyote leads the pack

UK-born and bred DeNovo Coyote P leads the pack in AHDB’s December genetic evaluations for young genomic Holstein sires.

7 April 2026

Leading proven Holstein sires deliver high kilos of milk solids

Number one place on the Holstein proven sire rankings, published by AHDB, has been taken by Peak Powerhouse.