Week 7
Dairy: Heifers |
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Feeding Heifers from Weaning to Calving
Text Transcript
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Post-Weaning Feeding
- Critical period for calves
- Coccidiosis - bovatec, rumensin, deccox, corrid in starter
- Stresses – diet and behavior
- Calf starter to 5 - 6 lb./day
- Then supplement with good hay
- Shift to cheaper concentrate after 3 - 4 months
- Balance to meet needs based on forages
Feeding the Heifer - 3 to 13 mo
- Rate of gain critical
- Mammary development
- Excessive gains detrimental on milk yield
- Holstein - 1.5 - 2.0 lb. of gain/day
- Regulate rate of gain by controlling energy concentration - fiber
concentration
- Age at breeding
- Puberty depends on BW (55% of mature wt)
- Holstein = 750 lb
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