Meat Guide

What is the Difference Between Lamb, Hogget & Mutton?

Lamb will have pride of place in restaurants and at the family dinner table and through springtime into early summer, but is all lamb the same?

Lamb popularity is a result of an engaging taste and texture, particularly lamb grown and nurtured in Australia where there is an emphasis on breed quality and the accurate timing of succulent, tender lamb availability through excellent shepherding and stockmanship.

And it's not all the same either. Lamb varies from region to region, week to week, month to month and from breed to breed. Best lamb is selected from animals that have enjoyed the most natural, nutrient-abounding, stress-free environment feeding on wild grasses, flowers, herbs and heathers. This creates delicious tender lamb or hogget and mutton offering rich and harmonious to deep, gamey flavors.

To many, all meat from sheep is thought of as lamb but that's not the case. This is intended as a definitive guide to lamb, hogget and mutton and their respective qualities reflecting the differing subtle taste sensations, and how the lambing season works.

Milk Fed Lamb

4–6 Weeks Old

Extremely popular in the Mediterranean, Middle East and Asia. In Greece it is highly prized and many roast a whole milk fed lamb on a souvla; in Spain the small lamb chops known as chuletillas are a delicacy. Pyrenees Milk Fed Lamb is also much sought after with the ewes give birth to the lambs at the foot of the Pyrenees. Arabs cook the whole lamb on fire and serve it with spiced up rice. Persians marinate the cuts in various forms of Kebabs and barbecue them in skewers on charcoal and serve with plain saffron rice.

The meat from a milk-fed lamb is sweet, indulgent, milky and rich and works well with delicate spring vegetables. Milk Fed Lamb born in Australia from June to September is ready between four to six weeks old when the lamb, that will not have been weaned, is at a weight of between 6-9kg. If you haven't tasted milk-fed lamb previously prepare for a new, lighter texture with sublime tenderness, small lamb chops from milk-fed lamb have been described by culinary experts as 'perfect jewels'.

Born

June – September (AU/NZ)

Availability

Sep – Nov (AU/NZ)

Age

4–6 weeks old

Average Weight

6–9 kg

Tasting Notes

Sweet indulgent meat, pair with delicate spring vegetables, milky & rich.

Spring Lamb

3–6 Months Old

By far the most well-known lamb variety and is sometimes known as Early Lamb or Summer Lamb as its availability transcends the spring and summer seasons. The lamb is from livestock that is between three to six months old and has benefited from being milk-fed and grazing on new, fresh spring grasses. It is usually available from November to January in Australia.

Born

June – September (AU/NZ)

Availability

Nov – Jan (AU/NZ)

Age

3–6 months old

Tasting Notes

Mellow, subtle meat, creamy fat, pair with classic Mediterranean ingredients.

Autumn Lamb

Under 12 Months

Takes lamb to the point just prior to its name change to hogget. Born at the same time as Spring Lamb anywhere between June to September in Australia. This more mature lamb has abundant, grassy flavors benefiting from having grazed in the beauty of the countryside for many months. Autumn lamb becomes available after Spring lamb during the period from January to July until 12 months old.

Born

June – September (AU/NZ)

Availability

Jan – Jul (AU/NZ)

Age

Under 12 months

Dentition

No permanent incisor teeth

Tasting Notes

Rounded, traditional grassy flavors, pairs well with sweet garlic, aromatic herbs & ripe tomatoes.

Hogget

10–18 Months Old

For years there has been very little definition of when lamb is no longer lamb and when it is something else. Everyone has heard of mutton, but hogget? Simply put, hogget is a juvenile sheep either a young ewe (female) or tup (male) over 10 months old to 18 months.

Availability

All Year

Age

10–18 months

Dentition

Max 2 permanent incisor teeth

Tasting Notes

Full flavored savory, pairs well with classic English herbs, mushrooms & Brassica.

Mutton

18+ Months Old

Mutton is now very much back in favor and it is its intense, deep flavor that has brought it in vogue once more with gamey, rich herbal notes that last long on the palate. If you enjoy venison, rabbit or wild boar then mutton should be added to your list. It is particularly ideal for casseroles and slow cookers.

Mutton status takes over once the hogget reaches between 18 months to two years old and there are connoisseurs who enjoy it best for its darker meat flavor at four years old.

Availability

All Year

Age

18 months and more

Dentition

At least 1 permanent incisor tooth

Type

Female or castrated male

Tasting Notes

Deep flavor, long on the palate, slightly gamey rich herbal notes, pairs well with aromatic spices, root vegetables.

Quick Comparison

At-a-glance reference for all sheep meat categories

Type Age Availability Flavor Profile
Milk Fed Lamb 4–6 weeks Sep – Nov Sweet, milky, rich
Spring Lamb 3–6 months Nov – Jan Mellow, subtle, creamy
Autumn Lamb Under 12 months Jan – Jul Grassy, traditional
Hogget 10–18 months All Year Full, savory
Mutton 18+ months All Year Deep, gamey, herbal
Production Cycle

The Australian Lamb Life Cycle

From conception in summer through to peak supply in spring, this is the annual cycle that drives lamb availability across Australian and export markets.

1
Australian Summer
January – February

Conception

Ewes become pregnant during mid-summer. The gestational period is approximately five months, meaning lambs conceived in January and February are born in June and July.

2
Summer & Autumn
February – May

Lamb Sales

Lambs born the previous winter reach market weight at 6–10 months. Mixed farming operations sell lambs in autumn to prepare land for crop planting.

3
Australian Autumn
March – May

Autumn Shearing

Over 70% of adult female sheep in Australia are Merinos, bred primarily for wool. Shearing typically occurs in autumn or spring, with many flocks shorn in this period.

4
Australian Winter
June – July

Lambs Born & Reared

The primary lambing season falls during winter. Very few lambs are sold at this time, making it the tightest supply period. Mutton supply is also limited during these months.

5
Australian Spring
September – November

Grass Growth & Young Lambs

Pasture growth is at its fastest, lambs are weaned and gaining weight quickly. This is the period of highest supply of young lambs. Spring shearing and crutching also occur.

Key Facts

Australian Sheep Industry at a Glance

Gestation Period
~150 Days
Approximately five months from conception to lambing. Producers plan joining dates to align supply with seasonal demand windows.
Merino Dominance
70%+ Ewes
Over 70% of adult female sheep in Australia are Merinos, bred primarily for their high-quality wool with meat as a secondary product.
Peak Market Age
6–10 Months
Most lambs reach ideal market weight between six and ten months of age, with seasonal availability peaking from September through January.

Monthly Supply Calendar

Lamb supply follows a predictable annual pattern driven by the natural breeding cycle and pasture conditions across Australia.

JanSales
FebSales
MarSales
AprSales
MayShearing
JunLambing
JulLambing
AugRearing
SepPeak
OctPeak
NovPeak
DecHigh
Peak Supply Moderate Supply Low Supply (Lambing)