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

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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 Http://ags.kku.ac.th/elearning/137451

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)

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

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

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

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

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