How to treat a goat for gray lice? - briefly
Use a veterinary‑approved ivermectin product—pour‑on or injection—at the label dose, repeat after 7‑10 days to interrupt the life cycle, and keep the enclosure clean and dry. Regularly inspect the herd and rotate pastures to prevent reinfestation.
How to treat a goat for gray lice? - in detail
Gray lice infestations in goats require prompt identification, targeted medication, and environmental management. Early detection involves inspecting the fleece, especially behind the ears, along the spine, and around the tail base. Visible nits, adult lice, or excessive scratching indicate the need for intervention.
Effective chemical control includes:
- Topical insecticides such as pyrethrins combined with piperonyl‑butoxide, applied according to the manufacturer’s label. Use a fine‑mist sprayer to coat the entire coat, avoiding the eyes and nostrils.
- Systemic agents like ivermectin, administered subcutaneously at 0.2 mg kg⁻¹. Repeat the dose after 14 days to target emerging larvae.
- Organophosphate preparations (e.g., diazinon) reserved for severe cases, applied at the recommended concentration and observed for toxicity signs.
Dosage calculations must reference the animal’s live weight. For a 60‑kg goat, the ivermectin dose equals 12 mg of the active ingredient. Record the exact amount administered to ensure accurate repeat dosing.
Environmental measures reduce reinfestation risk:
- Remove and clean bedding, manure piles, and feeding troughs with hot water and a disinfectant effective against arthropods.
- Provide a dry, well‑ventilated shelter to discourage lice development.
- Implement a quarterly inspection schedule, treating any new cases promptly.
Nutritional support enhances recovery. Provide a balanced ration rich in protein, vitamin A, and zinc, which promote skin integrity and immune function. Monitor the herd for secondary skin infections; treat bacterial complications with appropriate antibiotics if signs of cellulitis or dermatitis appear.
Record‑keeping is essential. Log each treatment event, including product name, dosage, application method, and date. This documentation facilitates pattern analysis and guides future preventive strategies.