Lee-Sung Strain Pig

National Taiwan University

50 Lane 155 Sec. 3 Keelung Road

Taipei 10772 Taiwan

Republic of China

Tel: 886-2-3630231 ext 2758

Fax: 886-2-7373428

Visible Characteristics

1. Adults docile.This strain was originated from Lanyu Small-Ear miniature pig and occidental Landrace Pig.
2. Two-types of coat color:solid black,and white with black spots. Most have black spots on bridge of snout with erect ears.
3. More prolific than Lanyu Small-Ear miniature pig. Good maternal behavior.
4. Piglets extremely jittery.
5. Stiff bristles on back. Boars have wider rump than sows do.

Growth Performance	Mean ± SD
Birth weight	0.64±0.17 Kg
Body weight at 1-week of age	1.34±0.34 Kg
Body weight at 2-week of age	2.07±0.65 Kg
Body weight at 3-week of age	3.16±0.75 Kg
Body weight at 4-week of age	4.26±0.79 Kg
Body weight at 8-week of age	7.99±2.82 Kg
Body weight at 12-week of age	14.31±3.10 Kg
Body weight at 16-week of age	23.60±5.14 Kg
Survival rate at 3-week of age	73.0±23.0 ％
Survival rate at 8-week of age	68.5±24.4 ％
Survival rate at 12-week of age	68.5±24.4 ％
Survival rate at 16-week of age	68.5±24.4 ％
Backfat thickness at 90 Kg alive wt.	- cm
Feed conversion from 30 to 90 Kg BW	- Feed/Gain
Dressing percentage	- ％
Lean percentage	- ％

Reproductive
Performance	Mean ± SD
Gestation length	- days
Number of teats at left	5.51±0.58 teats
Number of teats at right	5.36±0.55 teats
Frquency for pigs with≧12 teats	- ％
Litter size at birth	8.8±2.2 heads
Sex ratio at birth（male:female）	-
Litter size born alive	- heads
Litter size at 3-week of age	6.8±2.6 heads
Litter size at 8-week of age	6.1±2.3 heads
Litter weight at birth	5.66±3.13 Kg
Litter weight at 3-week of age	18.00±8.70 Kg
Litter weight at 8-week of age	50.03±31.14 Kg

Living Habits

1. Piglets are very senstive when they are stimulated by environmental factors.
2. Both boars and sows are mature early and have mounting behavior.
3. Most sows have good mothering ability in term of potection piglets away from danger.
4. Pigs are alert to moving objects during sexual intercourse and stop immediately.
5. Piglets have glossy skin.

Body Temperature

Rectal temperature at birth	38.51±1.54℃
Rectal temperature at 8-week of age	39.59±0.43℃
Rectal temperature at 12-week of age	40.43±0.50℃

Hematological

Measurement

RBC counts at birth	3.20±0.92 106/ul
RBC counts at 8-week of age	3.72±0.72 106/ul
RBC counts at 12-week of age	4.52±0.31 106/ul
WBC counts at 8-week of age	919±346/ul
WBC counts at 12-week of age	1076±437/ul
WBC counts after 12-week old	873±193/ul
Hemoglobin at birth	8.10±3.26 g/dl
Hemoglobin at 8-week of age	9.39±2.04 g/dl
Hemoglobin at 12-week of age	12.28±1.67 g/dl
Hemogiobin after 12-week old	11.45±1.42 g/dl
Blood glucose at birth	88.33±39.83 mg/dl
Blood glucose at 8-week of age	101.43±26.09 mg/dl
Blood glucose at 12-week of age	92.58±28.38 mg/dl
Blood glucose after 12-week old	102.75±45.10 mg/dl

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