Week 8
Beef: Growing-Finishing |
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Newly Received Cattle
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- Bovine respiratory disease (BRD)
- 1.0% mortality + morbidity
- Two factors contribute to BRD
- Weaning stresses suppress immune function
- Feed intake low (1.5% of BW) 1st 2 weeks
- Preconditioning, on-farm vaccinations, nutritional mgt of feedlot
- Energy
- Calves prefer concentrate
- > or = 60% concentrate, free choice or limited quantity (2lb/d) good
quality alfalfa or grass hay
- Protein
- Minerals
- Intake is low, so levels need to be increased
- K, Zn, Cu, and Se
- Feed Additives
- Ionophores – coccidiosis
- Tetracycline reduces BRD
- Feed, water, animals with history, individually
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