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
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