Cold Weather Safety for Livestock
While Texas winters are generally mild, periodic cold fronts and occasional severe winter storms can threaten livestock health. Preparation is key to protecting your animals.
Understanding Cold Stress
Livestock experience cold stress when temperatures fall below their lower critical temperature (LCT). Factors affecting LCT include:
- Body condition and fat reserves
- Hair coat condition (wet vs dry)
- Wind speed (wind chill effect)
- Age (young and old animals more vulnerable)
- Access to shelter
Cattle in Cold Weather
Critical Temperatures
For cattle with dry winter coats:
- Good body condition: LCT around 18°F
- Thin cattle: LCT around 45°F
- Wet coat adds about 30°F to LCT
Nutrition Adjustments
- Increase hay availability during cold snaps
- Each 1°F below LCT requires 1% more energy
- Provide additional protein to support heat production
- Feed hay before storms hit to maintain body heat
Water Requirements
- Cattle drink 7-12 gallons daily even in winter
- Keep water ice-free (tank heaters, frequent breaking)
- Check automatic waterers for freezing
- Warm water encourages consumption
Horses in Winter
Blanketing Guidelines
Healthy horses with good winter coats often don't need blankets. Consider blanketing for:
- Clipped horses
- Senior horses
- Horses in poor condition
- Sick or injured horses
Winter Care
- Maintain hoof care on regular schedule
- Provide wind protection through shelters or terrain
- Increase hay to support internal heat generation
- Monitor water consumption closely
Sheep and Goats
Special Considerations
- Recently shorn animals need shelter
- Pregnant animals need extra nutrition
- Kids and lambs are vulnerable to hypothermia
- Muddy conditions increase cold stress
Emergency Response
Signs of hypothermia in lambs/kids:
- Cold ears and mouth
- Hunched posture
- Unwillingness to nurse
- Lethargy
Shelter Requirements
Minimum Protection
- Windbreak facing away from prevailing winds
- Dry bedding area
- Adequate space to prevent crowding
- Protection from precipitation
Bedding Management
- Add clean, dry bedding before storms
- Avoid wet or moldy bedding
- Provide enough depth for insulation
- Remove soiled bedding regularly
Newborn Animals
Cold weather calving, lambing, and kidding require extra vigilance:
- Provide clean, dry, draft-free birthing areas
- Monitor closely for nursing and bonding
- Use heat lamps cautiously (fire hazard)
- Have colostrum supplement available
- Know signs of hypothermia
Ice Safety
Ice creates multiple hazards:
- Slip injuries to livestock and handlers
- Reduced water consumption
- Increased energy needs for movement
- Damage to hooves and feet
Emergency Preparedness
Before winter:
- Stock extra hay and feed
- Service tank heaters and check extension cords
- Prepare backup water plan for power outages
- Have medications and first aid supplies ready
- Know your veterinarian's emergency contact
