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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
- Black or dark brown skin. A white line beneath
neck and throat.
- Like to soak in water, accept cparse food. Poor
heat tolerance.
- White fromkneecaps down. Sweptback,
crescentshape horns.
- 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 mg/ml |
| Fecal progesterone at luteal phase |
150∼200 mg/ml |
| Plasm progesterone at folicular phase |
0.4∼0.8 mg/ml |
| Fecal progesterone at folicular phase |
50∼100 mg/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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