The document provides a detailed classification and overview of the Duroc pig breed, including its origin, physical characteristics, growth potential, temperament, and reproductive capabilities. Durocs are noted for their high-quality meat, rapid growth, and excellent mothering abilities, making them popular in crossbreeding programs. Eligibility requirements for the breed are outlined, emphasizing specific color and appearance standards.

1. DUROC
VASUKI SILVA – 138553

2. Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Class: Mammalia
Order: Artiodactyla
Family: Suidae
Subfamily: Suinae
Genus: Sus

3. Introduction to pig breeds
• Classified into two broad groups
• White pigs
• Exotics
• Three principle white breeds
• Large white
• Landrace
• Welsh
• Differences are not apparent than position of the ears
• Respectively up, down and down
• Ham shape differs between breeds and strains

4. Introduction To pig breeds cont.
• Exotic breeds
• Duroc
• Lacobe
• Pietrain
• Saddlebacks
• Tamworth
• Large black
• Poland china
• Chunkier hams

5. Duroc (Sus scrofa domesticus)
• Origin
• America
• The modern Duroc originated from crosses of the Jersey Red of New Jersey
and the Duroc of New York

6. Breed characteristics
• The Duroc is a large-framed, late-maturing type, excellent for heavy-
carcase production.
• Light head and neck
• Moderately long body
• Small lop ears
• The skin is a solid reddish color, varying from gold to a deep, brick red.
• Medium length and slight dish of the face.

7. 1. Long, clean face
2. Drooping ears
3. Long, clean neck
4. Big, even toes
5. Wide based from front to rear
6. Square, expressively
muscled top
7. Long side with good rib shape
8. Seven prominent, functional
teats on each side that
are well spaced
9. Durably constructed frame
10. Long, deep muscular through
all portions of the ham
11. Hind legs that set down

8. Qualities
• Meat Quality
• typically dark red in color,
• maintains moisture well and has good fat marbling throughout
• all highly desirable qualities in cuts of pork.
• significant amount of lean muscle and high tenderness
• High carcass yield
• High quality meat & delicious

9. •Duroc quality
Duroc gives the meat unbeatable texture, juiciness and
flavour. The fatty streaks between the muscles give the
meat its unique organoleptic properties so keenly
enjoyed by even the most demanding palates.

10. Qualities cont.
• Growth
• Duroc pigs are one of the fastest growing breeds
• Sow mature body weight- 204 to 295 kg & boar -227 to 340 kg
• very hardy.
• Can tolerate both cold and warm climates
• Average lifespan is 10-15 years

11. Qualities cont.
• Temperment
• genle
• Males are little aggressive during breeding season
• Socialize them
• Must be carefully handled
• Can be trained easily

12. Qualities cont.
• Reproduction
Produce large litters (9.78)
Suitable for cross breeding and upgrade other breeds( superior genetic quality)
Good mothering ability
Excellent feeding capacity and produce large quantities of milk

13. • Breeding problems
• Breed with a smaller boar
• If litter is too large sow will abandon smaller piglets.
• Smaller piglets have to be hand fed
• Cross breed with Hampshire will eliminate the breeding problems

14. DUROC -THE WORLD'S TERMINAL SIRE
• Most frequently used sire for terminal cross breeding programs
• Durability, growth, and muscle qualities attributes, carcass leanness
and feed efficiency
• provide 100% heterosis when mated to Yorkshire x Landrace F1
females.
• Some systems utilize a commercial parent stock female that is 25%
Duroc to improve robustness and longevity in their sow herds.

15. Duroc Breed Eligibility Requirements
• Must be red in color and possess Duroc breed character.
• Ears must be
• Must NOT have any white hair located on the animal
• Must NOT have any black hair located on the animal
• Must NOT have more than three black spots on the skin, and none of
these spots can be larger than two inches in diameter
• Must NOT have any shading or indication of a belt