Sheep breed profile

Suffolk

Meat (terminal sire)
England
large
Temperament: moderate

Suffolk is the dominant U.S. commercial meat-sheep terminal sire — fast lamb growth, recognizable carcass, deep market acceptance. Strong fit for commercial production; less competitive in grass-fed-only systems where wool sheep with parasite resistance pull ahead.

Handler safety note

Ewes generally calm. Suffolk rams can be aggressive during breeding season — never turn your back on a Suffolk ram in the breeding pen.

Production & size

Mature size and output.

Female weight

180–250 lbs

Male weight

250–350 lbs

Daily gain

0.7 lbs/day

Fleece

5 lbs

Micron

32μ

Reproductive traits

Gestation

147 days

Lambs/ewe

1.6

Seasonality

seasonal

Maternal

good

Health & climate

Parasite resistance

fair

Heat tolerance

fair

Cold hardiness

good

Humidity tolerance

fair

Common health concerns

Barber pole worm pressure in Southeast
Foot rot in wet conditions
Spider Lamb Syndrome (genetic) — testing required

Management requirements

Experience

some experience

Housing

basic shelter

Fencing

woven wire

Feed system

pasture, hay, grain supplement

Shearing

Required

Market access

Commercial market

excellent

Direct-market appeal

good

United Suffolk Sheep Association →

Primary purposes

Regional fits

Suffolk performance by ag region.

Corn Belt Core
excellent
Suffolk is the commercial terminal sire of choice in the Corn Belt — fast lamb growth and wide sale-barn acceptance.
Strengths: Easy market access through commercial sale barns; strong 4-H and FFA show pipeline supports breeding-stock prices.
Weaknesses: Suffolk rams can be aggressive during breeding season — handler safety is a real consideration. Spider Lamb Syndrome (genetic) requires testing in seedstock. Less parasite-resistant than hair sheep.

Sources

Data quality: extension verified

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