Jersey
Bos taurus
Small, refined dairy breed from the Channel Island of Jersey. Registered by AJCA. Produces milk with the highest butterfat percentage of any major dairy breed.
Breed reference

The shape of the breed,
in plain English.
Small, refined dairy breed from the Channel Island of Jersey. Registered by AJCA. Produces milk with the highest butterfat percentage of any major dairy breed.
Owner-experience
across 7 dimensions.
Each bar is a 1 to 5 score from breed-knowledgeable owners. Read the bar labels for the trade-off the dimension captures.
Temperament
Docility
Reactive. Strong flight response; requires experienced handlers and well-designed facilities.Highly docile. Calm in chute and field; suitable for inexperienced handlers.
Milk yield potential
Beef-type yield. Sufficient for calf raising; not commercial dairy.High commercial dairy yield. Suitable for production dairy.
Mothering ability
Modest mothering. May need calving assistance and supplementation.Excellent mothering. Calves unassisted, milks well, protective and attentive.
Heat tolerance
Heat-sensitive. Drops production above 80 F.Heat-tolerant. Maintains production and condition above 90 F.
Coat and maintenance
Foraging / forage efficiency
Requires high-quality forage and supplementation.Easy keeper on modest forage; tolerates pasture parasites.
Growth rate
Slow gainer.Rapid gainer suitable for feedlot finishing.
Marbling tendency
Lean carcass. Limited marbling.Highly marbled. Premium quality grade potential.
Heritable traits
in Jersey.
Each row is one heritable trait. The frequency label tells you how often it appears across the breed.
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