Wuttigrai Boonkum, Ph.DHttp://ags.kku.ac.th/elearning/137451

DATA COLLECTING FOR GENETIC IMPROVEMENT IN BEEF, DAIRY CATTLE AND BUFFALO

Birth weightWeaning weightYearling weightADG (average daily gain)FCR (feed conversion ratio)FE (feed efficiency)ADFI (average daily feed intake)

BEEF & DAIRY & BUFFALO CATTLE:1.GROWTH PERFORMANCE TRAITS

BEEF & DAIRY & BUFFALO CATTLE:2.MEAT QUALITY TRAITS

BEEF & DAIRY & BUFFALO CATTLE:3.PRODUCTION TRAITS

Milk yield

Milk composition (milk fat, milk protein, SCC)

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

BEEF & DAIRY & BUFFALO CATTLE:4.REPRODUCTIVE TRAITS

BEEF & DAIRY & BUFFALO CATTLE:4.REPRODUCTIVE TRAITS

BEEF & DAIRY & BUFFALO CATTLE:5.TYPE TRAITS

BEEF & DAIRY & BUFFALO CATTLE:5.TYPE TRAITS

Frame 15% (all skelaton)

Dairy strength 25% (skin, neck, rib)

Rear feet and Legs = 20%

Udder = 40%

Rump angle

Teat length

Udder depth

Foot angle

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

BEEF & DAIRY & BUFFALO CATTLE:5.REDUCE COST AND ALTERNATIVE TRAITS