1. Wuttigrai Boonkum, Ph.D Http://ags.kku.ac.th/elearning/137451
Data Collecting for Genetic Improvement in Beef, Dairy cattle and Buffalo
Wuttigrai Boonkum, Ph.D

2. Beef & Dairy & Buffalo Cattle: 1.Growth performance traits
Birth weight
Weaning weight
Yearling weight
ADG (average daily gain)
FCR (feed conversion ratio)
FE (feed efficiency)
ADFI (average daily feed intake)

3. Beef & Dairy & Buffalo Cattle: 2.Meat quality traits

4. Beef & Dairy & Buffalo Cattle: 3.Production traits
Milk yield
Milk composition (milk fat, milk protein, SCC)

5. Beef & Dairy & Buffalo Cattle: 4.Reproductive traits
days open (optimum point at 60 d)
Calving interval (Avg = 380 d in cattle, Avg = 420 d in buffalo)
Gestation length (Avg = 285 d in cattle, Avg = 315 d in buffalo)
services per conception (should be less than 2 times)
conception rate or pregnancy rate (40% in Heifer, 20% in cow)
semen quality (progressive motility, abnormal/normal)
calving ease
Testis size

6. Beef & Dairy & Buffalo Cattle: 4.Reproductive traits

8. Beef & Dairy & Buffalo Cattle: 5.Type traits

9. Beef & Dairy & Buffalo Cattle: 5.Type traits
Frame 15% (all skelaton)
Dairy strength 25% (skin, neck, rib)
Rear feet and Legs = 20%
Udder = 40%

10. Rump angle
Teat length

11. Udder depth
Foot angle

12. Beef & Dairy & Buffalo Cattle: 5.Reduce Cost and alternative traits
Residual Feed intake (Total feed – Residual feed)
Heat tolerance trait (0 = no stress, 1 = stress)
Mastitis (0 = normal, 1 = infect)
Body Condition Score (scale = 1 to 5)
Longevity, productive life
Negative energy balance