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Data Collecting for Genetic Improvement in Beef, Dairy cattle and Buffalo

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)

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Data Collecting for Genetic Improvement in Beef, Dairy cattle and Buffalo

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

  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

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

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

  9. Rump angle • Teat length

  10. Udder depth • Foot angle

  11. 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

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