How often should veterinary dextran iron be injected?
The injection frequency of veterinary dextran iron must be determined according to the animal species, age, and purpose (prevention or treatment). Typically, piglets receive the first injection of 1-2ml within 2-3 days after birth, with a booster at 15 days old; for anemia treatment, injections are repeated every 7-10 days.
Detailed Explanation of Injection Frequency
1. Preventive Iron Supplementation (using piglets as an example).
• First Injection: Within 2-3 days after birth, dose 1-2ml (adjusted according to product concentration).
• Second Booster: If the weaning period is long (e.g., over 4 weeks), it is recommended to inject 1-2ml again at 15 days old or before weaning. Some protocols mention a booster 10-14 days later.
2. Therapeutic Iron Supplementation.
• For treatment due to anemia or diseases (such as Mycoplasma suis), dose is calculated at 0.1ml/kg body weight, repeated once every 7-10 days until symptoms improve.
3. Other Animals.
• Lambs: Inject 1ml at birth, with a booster 10 days later.
• Calves/Foals: First injection 2ml, repeat after 7 days if necessary.
Precautions
• Injection Site: Deep muscle in the neck or inner side of the hind leg, avoiding blood vessels and nerves.
• Side Effects: May cause local pain, pigmentation, or allergic reactions; contraindicated in severe liver and kidney dysfunction.
• Dosage Control: Strictly calculated by body weight; overdose may cause toxicity.
• Storage Conditions: Must be refrigerated; may precipitate if stored for a long time; check before use.
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