Upload
jeremy-berry
View
217
Download
0
Tags:
Embed Size (px)
Citation preview
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