Georgia livestock guide

Region: Southeast & Mid-South – Warm, humid; parasites can transmit most of the year and peak in warm, wet months.

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Horses in Georgia

Common parasites

• Small strongyles (cyathostomins) – The main worm of adult horses; resistance to common dewormers is widespread. Use fecal egg counts with your vet rather than rotating on a calendar. (source)
• Large roundworms (ascarids) – Mainly foals and weanlings; heavy loads can cause impaction colic. (source)
• Tapeworms – Linked to some colics; usually treated once or twice a year. (source)
• Seasonal tip – In hot southern climates small-strongyle transmission is lowest in mid-summer and highest fall through spring. (source)

Toxic plants & feeds

• Fescue toxicosis – Endophyte-infected tall fescue causes foaling problems in pregnant mares (no milk, thick placenta); pull mares off fescue late in pregnancy. (source)
• Red maple (wilted leaves) – Common in the eastern part of the region. (source)
• Yew (Taxus) – Ornamental shrub; a few mouthfuls can kill a horse within hours. Never toss hedge clippings into a pasture. (source)
• Ionophore feeds (monensin, lasalocid) – Cattle/poultry feeds and some mineral tubs are deadly to horses and donkeys. (source)
• Blister beetles in alfalfa hay – Crimped alfalfa can trap beetles (cantharidin); buy hay from a known source. (source)
• Lawn clippings – Ferment quickly and can cause colic or laminitis. (source)

Minerals

• Selenium & vitamin E – The Southeast soils/forages are often LOW in selenium. Deficiency causes muscle disease (white muscle disease in foals). Supplement only with your vet – too much is toxic. (source)
• Salt – Free-choice plain or trace-mineral salt for every horse.
• Balance to the forage – Grass hay alone often runs low in some trace minerals; a ration balancer is commonly used. Have hay tested if possible.

Donkeys in Georgia

Common parasites

• Small strongyles and tapeworms – Same worms as horses; donkeys can carry heavy loads while looking fine. Use fecal egg counts. (source)
• Lungworm (Dictyocaulus arnfieldi) – Donkeys often carry it without coughing and can pass it to horses grazing with them. (source)
• Seasonal tip – In hot southern climates small-strongyle transmission is lowest in mid-summer and highest fall through spring. (source)

Toxic plants & feeds

• Fescue (pregnant jennies) – Same late-pregnancy risk as mares. (source)
• Yew, ionophore feeds – As deadly to donkeys as to horses. (source, source)
• Rich feeds and lush grass – Not a poison, but a major risk: donkeys easily become obese and develop laminitis or hyperlipemia.

Minerals

• Selenium & vitamin E – The Southeast forages are often low in selenium; ask your vet about a blood test before supplementing. (source)
• Salt and a low-calorie balancer – Donkeys usually need straw/low-sugar hay plus a vitamin–mineral balancer, not grain.

Goats in Georgia

Common parasites

• Barber pole worm (Haemonchus contortus) – Blood-sucking stomach worm and a leading cause of goat deaths. Watch eyelid color (FAMACHA) and bottle jaw; resistance to all dewormer classes exists. (source, source)
• Coccidia – Kids 3 weeks to 6 months; diarrhea and poor growth, worse in crowded or wet pens. (source)
• Barber pole worm – highest risk – Warm, humid weather makes this the worst region for Haemonchus. Many goat losses happen in late summer. (source, source)
• Meningeal worm – Present wherever white-tailed deer graze the same pasture. (source)
• Liver fluke (Gulf Coast) – Wet, snail-friendly pastures along the Gulf Coast. (source)

Toxic plants & feeds

• Perilla mint, lantana – Common weeds/ornamentals; perilla mint causes lung disease in cattle and goats. (source)
• Cherry laurel, azalea – Common landscape plants. (source)
• Rhododendron, azalea, mountain laurel – Ornamental and wild shrubs that cause vomiting and collapse in goats. (source)
• Yew and cherry (wilted leaves) – Yew is deadly; wilted wild-cherry leaves release cyanide. (source)
• Avocado leaves – Toxic to goats (heart damage). (source)
• Excess grain – Overeating grain causes rumen acidosis (bloat, collapse).

Minerals

• Selenium – The Southeast is selenium-deficient; white muscle disease in kids is a known risk. Vets often give Se/vit E around kidding. (source)
• Use a GOAT mineral, not a sheep one – Goats need much more copper than sheep; sheep minerals are copper-restricted and can leave goats deficient (rough coat, swayback in kids). Never feed goat mineral to sheep – copper can poison them. (source, source)
• Loose mineral, free choice – Goats generally eat loose minerals better than blocks.

Cattle in Georgia

Common parasites

• Brown stomach worm (Ostertagia ostertagi) – The most damaging cattle roundworm; Cooperia is also common. Young stock suffer most. (source)
• Flies and lice – Horn flies on pasture in summer; lice in winter. (source)
• Liver fluke (Gulf Coast) – Common in Gulf Coast states, especially on wet pastures. (source)
• Haemonchus placei – A blood-sucking stomach worm of cattle in warm climates. (source)
• Asian longhorned tick – Established in parts of the Southeast and Appalachia. (source)

Toxic plants & feeds

• Fescue toxicosis – Poor gains, heat stress, "fescue foot." Dilute with clover or use novel-endophyte fescue. (source)
• Perilla mint – Late-summer cause of acute respiratory distress in cattle. (source)
• Yew – A leading cause of sudden death in cattle from tossed clippings. (source)
• Nitrate and prussic acid forages – Drought-stressed or frosted sorghum, sudangrass and johnsongrass, and some weeds; test suspect forage. (source)
• Excess grain – Grain overload (acidosis) or sudden diet changes.

Minerals

• Selenium – Much of the Southeast coastal plain is selenium-deficient; use a fortified mineral. (source)
• Copper & cobalt – Low copper and cobalt forages are reported in parts of the coastal plain and Florida; ask extension about a regional mineral.
• Free-choice trace-mineral salt – Match the mineral to your forage and region; ask your extension agent or vet.
• Magnesium on lush pasture – Grass tetany risk in early spring on lush grass, especially older cows nursing calves; high-magnesium mineral is often used. (source)

Help in Georgia

• Cooperative Extension service
• State Department of Agriculture
• State veterinarian / animal health office

The state veterinarian link goes to the national directory of state animal health officials.

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Last reviewed 2026-10-18. Regional summaries; your county extension office knows your area best.