Why Drought Calls for a Different Management Approach
During a drought, the primary constraints on a beef operation are reduced pasture growth, limited water supplies, and higher heat stress. These stressors can quickly lead to weight loss, lowered reproductive performance, and increased disease susceptibility. By adjusting nutrition, water management, herd composition, and grazing tactics, producers can mitigate the negative impacts and preserve the herds longterm productivity.
1. Assessing the Situation
Conduct a Rapid Resource Inventory
- Map out all available water points (ponds, wells, trucks). Note capacity and water quality.
- Quantify existing forage: pasture height, standing biomass, and condition of any stored hay or silage.
- Identify alternative feed resources (crop residues, byproducts, purchased feed).
Set Clear Objectives
Typical drought objectives include:
- Maintain body condition scores (BCS) of 56 for breedingage cattle.
- Prevent severe heat stress (core temperature > 104F).
- Avoid emergency sales that would compromise genetic quality.
2. Water Management
Secure Reliable Sources
Ensure every animal has access to at least 10gal/day (more in hot weather). Options include:
- Rotating water tanks so cows do not travel long distances.
- Installing temporary troughs with windbreaks to reduce evaporation.
- Using watersaving devices such as float valves and lowflow nozzles.
Monitor Water Quality
High salinity or bacterial contamination can exacerbate health problems. Test water weekly for:
- Electrical conductivity (salinity).
- pH (ideal 6.58.0).
- Coliform counts.
3. Nutrition Adjustments
Prioritize Energy and Protein
Forage quality declines rapidly under drought. Supplement with:
- Highenergy grain mixes (corn, barley, sorghum) 0.51lb per head per day.
- Protein supplements (soybean meal, canola meal) to keep rumen function optimal.
- Byproduct feeds (brewers grain, beet pulp) when available and affordable.
Use Conserved Forage Efficiently
If you have hay or silage:
- Feed the highest quality conserves to lactating cows and breeding bulls.
- Apply a firstcut rule give the freshest, most digestible portion first.
- Consider adding a molasses coating to improve palatability.
Mineral and Vitamin Support
Electrolytes, zinc, and vitaminE/selenium become critical for heat and oxidative stress. Provide freechoice mineral blocks and, if needed, inject vitaminEselenium before the breeding season.
4. Grazing Management
Implement Rotational or StripGrazing
Divide paddocks into smaller units and move cattle frequently (every 13 days). Benefits include:
- Allowing regrowth of scarce forage.
- Reducing soil compaction and erosion.
- Improving overall forage utilization (3545% vs. 1520% in continuous grazing).
Utilize FeedBack Pastures
Maintain a small area of higherquality pasture (e.g., irrigated strip, irrigated alfalfa) that cattle can be shuttled to during peak heat hours.
Conserve Damaged Areas
Identify paddocks that have lost vegetation due to overgrazing. Close them temporarily and reseed with droughttolerant species such as bermudagrass, buffelgrass, or native prairie mixes.
5. Herd Composition & Reproductive Management
Adjust Breeding Schedules
Delay breeding until after the worst of the drought if forage and BCS are low. This prevents lowconception rates and reduces the number of pregnant cows competing for scarce resources.
Selective Culling
Identify animals with chronic health issues, low fertility, or poor maternal ability and consider selling them early, before the herds condition deteriorates further.
Calf Management
- Wean calves earlier (180210days) to lessen the nutritional demand on cows.
- Provide creep feeds or supplemental milk replacer for highrisk calves.
6. Health and HeatStress Prevention
Shade and Cooling
Provide at least 15sqft of shade per animal. Options include:
- Portable shade structures.
- Tree planting (fastgrowing species such as willow).
- Scrape or mulch to reduce ground temperature.
Vaccination and Parasite Control
Stress lowers immunity. Keep vaccinations uptodate and perform strategic deworming based on fecal egg counts.
Monitor Body Condition
Check BCS weekly. Cows dropping below a score of 4.5 should receive extra energy supplements immediately.
7. Financial & Risk Management
Plan for Feed Purchases
Lock in feed contracts early in the season when prices are still moderate. Consider bulk buying and storing in silos to hedge against price spikes.
Insurance Options
Explore cropinsurance, livestock revenue protection, or droughtindex policies that trigger payments when rainfall falls below a predetermined level.
RecordKeeping
Maintain detailed logs of feed intake, water usage, weight gains, and health events. Accurate data helps evaluate which strategies were most costeffective.
8. LongTerm Drought Resilience
Diverse Forage Portfolio
Invest in a mix of deeprooted grasses, legumes, and shrubs that stay productive with limited rainfall.
Water Harvesting
Construct earthen ponds, trap runoff, or install raincapture tanks to increase onfarm water supplies.
Genetic Selection
Gradually incorporate cattle lines known for heat tolerance, efficient feed conversion, and droughtresilient maternal traits.
