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Cow Herd Performance Testing

Cow Herd Performance Testing. Introduction. Help evaluate economically important traits Calving ease Birth weight Weaning weight Calving interval Calf weight:dam weight MPPA Cull cows, select replacement heifers. Records Needed. Contemporary groups Managed together

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Cow Herd Performance Testing

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  1. Cow Herd Performance Testing

  2. Introduction • Help evaluate economically important traits • Calving ease • Birth weight • Weaning weight • Calving interval • Calf weight:dam weight • MPPA • Cull cows, select replacement heifers

  3. Records Needed • Contemporary groups • Managed together • Maximum 90 d calving window • Individual animal identification • Birth weight (optional) and date • Weaning weight • Measured at 160 to 250 days of age • Cow birth date (or estimated age by teeth examination) • Hip height of cows and calves • Body condition of cows at weaning

  4. Example Analysis – Heifer Calves HEIFER PERFORMANCE AT WEANING

  5. Example Analysis - Cows COW PERFORMANCE AT WEANING

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