Water Buffalo (Swamp type)

Location of Conservation: Hwalien Breeding Animal Propagation Station

Taiwan Livestock Research Instituts

Hwalien, Twiwan

Republic of China

Tel: 886-38-525901

Fax: 886-38-523874

Contributor: Mr. I-Chang Shih

Visible Characteristics

1. Black or dark brown skin. A white line beneath neck and throat.
2. Like to soak in water, accept cparse food. Poor heat tolerance.
3. White fromkneecaps down. Sweptback, crescentshape horns.
4. Gregarious, docile.

Karyotyping

Number of chromosomes: ４８ＸＸ，４８ＸＹ

1, 5: Metacentric chromosome

2,3,4: Submetacentric chromosome

5~23: Acrocentric chromosome

X, Y: Acrocentric chromosome

　

Growth Performance	Mean ± SD
Male birth weight	30.4±2.0 Kg
Female birth weight	29.5±0.7 Kg
Male Weaning（205 days old）weight	172±17 Kg
Female weaning weight	150±13 Kg
Male yearing weight	235±24 Kg
Female yearing weight	306±34 Kg
Male body weight at 2-year old	415±23 Kg
Female body weight at 2-year old	398±30 Kg
Survival rate at 2-year of age	93％
Dressing percentage	50.2％

　

Reproductive
Performance	Mean ± SD
Age at puberty	658±27 days
Age at first parity	938±26 days
Gestation length	321±7 days
Sex ratio at birth（male:female）	1.11 : 1.00
Farrowing interval	409±50 days
Most frequent month for farrowing	May to October
Plasm progesterone at luteal phase	1.5∼2.0 ng/ml
Fecal progesterone at luteal phase	150∼200 ng/ml
Plasm progesterone at folicular phase	0.4∼0.8 ng/ml
Fecal progesterone at folicular phase	50∼100 ng/ml

　

Conformation
Measurements	Mean ± SD
Body length（the distance from the	126∼160 cm
middle point between two earheads
to tailhead）
Withers height （the distance from	125∼137 cm
shoulder-blades to ground）
Chest girth （the circumference of	185∼215 cm
chest which measured over back
shoulder and foreflank）
Chest width（the widest area over the chest）	41∼49 cm
Chest depth（the height over the chest）	67∼77 cm

　

Tooth Structure	Mean ± SD
Age at 2 teeth	32∼44 monthes
Age at 4 teeth	40∼54 monthes
Age at 6 teeth	51∼60 monthes
Age at 8 teeth	56∼66 monthes 

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