Taoyuan Pig

Location of Conservation: Taiwan Livestock Research Institute

112 Farm Road

Hsinhus, Tainan 71210 Taiwan

Republic of China

Tel: 886-6-5911211

Fax: 886-6-5911210

Contributor: Mr. Der-Yuh Lin

Visible Characteristics

1.Broad,flat face. Large, floopy ears. Large nostrils

2.Marked wrinkles over entire body with short neck

3.Less marked wrinkles at peripubertal period with hanging belly

4.Tail Hangs stright down

5.Stiff bristles on back and hairless over the side of body

6.Cloven hoof in contact with ground

7.Thick, folded skins in boar

8.Marked wrinkles in sow after farrowing and nursing

9.Medium size compared to occidental breeds

10.Broad forehead with deep horizontal and vertical wrinkles

11.Mature early and gregarious

12.Prolific and docile

　

Growth Performance	Mean ± SD
Birth weight	0.8±0.2 Kg
Body weight at 3-week of age	3.0±0.6 Kg
Body weight at 8-week of age	10.1±2.2 Kg
Body weight at 6-month of age	48.0±10.9 Kg
Body weight at 1-year of age	94.6±14.5 Kg
Survival rate at 3-week of age	84％
Survival rate at 8-week of age	79％
Backfat thickness at 90 Kg alive wt.	4.19±0.12 cm
Feed conversion from 30 to 90 Kg BW	4.59±0.18 Feed/Gain
Dressing percentage	81％
Lean percentage	40％

Reproductive
Performance	Mean ± SE
Gestation length	116±1 days
Number of teats at left	5.9±0.7 teats
Number of teats at rigth	6.0±0.6 teats
Frquency for pigs with ≧12 teats	19.2 ％
Litter size at birth	11.3±2.8 heads
Sex ratio at birth（male:female）	1.13 : 1.00
Litter size born alive	8.6±2.9 heads
Litter size at 3-week of age	7.2±2.7 heads
Litter size at 8-week of age	6.8±2.6 heads

Conformation
Measurements	Mean ± SE
Body length（the distance from the	113.3±7.8 cm
middle point between two earheads
to tailhead）
Withers height（the distance from	58.0±3.7 cm
shoulder-blades to ground）
Chest girth（the circumference of chest	103.3±6.6 cm
which measured over back shoulder and
foreflank）
Rump width（the widest area over the	28.1±2.2 cm rump）
Number of ribs	13 or 14 pairs

Number of chromosomes: 19 pairs（18＋XY，18＋XX）

1 - 7: Submetacentric chromosome

8 - 12: Metacentric chromosome

3 - 18: Telocentric chromosome

X: Meta-submetacentric chromosome

Y: Metacentric chromosome

Origin and Location

The Taoyuan pig is named due to a famous breed at the

Taoyuan area and is a local breed of

Taiwan. Pigs are mainly distributed in northwestern area of Taiwan.

　

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