Ivermectin (IVR) – Medicating Ingredient Brochure

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Status: Over the counter

Date of revision: April 2021

Table of approved species and claims
Approved livestock species Approved claim(s)
(abbreviated) Table Note 1
Withdrawal time Name of approved brand(s)
Growing swine (starters, growers and finishers)

Treatment of infections and infestations caused by internal and external parasites

5 days
(meat)
Ivomec Premix for Swine
Breeding swine (sows, gilts and boars)

Treatment of infections and infestations caused by internal and external parasites

14 days
(meat)
Ivomec Premix for Swine

Table Notes

Table Note 1

In order to be compliant with the Feeds Regulations, the complete claim must appear on the medicated feed label.

Return to table note 1  referrer

Growing swine (starters, growers and finishers)

Table of approved claims and brands
Approved claims Name of approved brand(s) Drug concentration in DIN product
Claim 1 Ivomec Premix for Swine Ivermectin at
g/kg

Approved for use in meal or pellet feed

Claim 1

For the treatment of infections and infestations caused by the following internal and external parasites in growing swine:

Gastrointestinal roundworms: Ascaris suum (adults and fourth stage larvae), Ascarops strongylina (adults), Hyostrongylus rubidus (adults and fourth stage larvae), Oesophagostomum spp. (adults and fourth stage larvae) and Strongyloides ransomi (adults and somatic larvae).

Kidney worms: Stephanurus dentatus (adults and fourth stage larvae)

Lung worms: Metastrongylus spp. (adults)

Lice: Haematopinus suis

Mites: Sarcoptes scabiei var. suis

Level of medicating ingredient in the complete feed

2.0 mg/kg (0.0002%) of ivermectin in the the complete feed for growing swine (starter, grower and finisher).

Directions for use for the complete feed

Feed this medicated feed continuously as the sole ration for seven (7) consecutive days.

Additional information (not to appear on feed labels)

For feed manufacturers

Add and thoroughly mix into the ration at the following rate to provide 2 mg/kg (0.0002%) of ivermectin per metric tonne (1000 kg) of complete feed:

  • 333 g (or 0.333 kg) of Ivomec Premix for Swine
  • Dispersion of the premix is enhanced by diluting 1 kg of premix with 14 kg of finely ground feed ingredients. This diluted ivermectin premix should then be added to the complete feed at a rate of 5 kg per metric tonne of finished feed to be fed ad libitum for growing swine.

Additional information (not to appear on the label)

  • Mixing Ivomec Premix for Swine at a rate of 2 mg/kg of finished feed will provide a dose of ivermectin of 100 mcg/kg body weight.

Warning

  1. Treated pigs must not be slaughtered for use in food for at least five (5) days after the latest treatment with this medicated feed.
  2. Keep out of reach of children. (Required on premix and supplement labels only)

Caution

  1. All pigs should be treated upon placement in clean quarters.
  2. Since the effect of ivermectin on mites is not immediate, care must be taken to prevent transfer of infestation to untreated animals or clean facilities. Generally, pigs should not be moved to clean quarters or exposed to uninfested pigs for approximately one week after treatment.
  3. Pigs exposed to contaminated premises, soil or pasture may need retreatment if reinfection occurs.
  4. Louse eggs are unaffected by ivermectin and may require up to three weeks to hatch. Louse infestations developing from hatching eggs may require retreatment.
  5. Consult a veterinarian for aid in the diagnosis and control of internal and external parasites of swine.

Accepted Compatibilities

Ivermectin is compatible with the following drug/drug combinations. In cases where there are differences in withdrawal time for the compatible medicating ingredients, the longer withdrawal time is the one that must be used, and is the only one that is to appear on the label of the finished feed. For details, refer to the MIB as indicated.

Ivermectin (growing swine)
Name of medicating ingredient MIB code Name of approved brand(s) Applicable claims
Lincomycin LINC
  1. Lincomix 44 Premix
  2. Lincomix 110 Premix
  3. Lincomycin 44 Premix
  4. Lincomycin 110 Premix
  5. Lincomycin 44 G Premix
  6. Lincomycin 110 G Premix
All claims

Breeding swine (sows, gilts and boars)

Table of approved claims and brands
Approved claims Name of approved brand(s) Drug concentration in DIN product
Claim 1 Ivomec Premix for Swine Ivermectin at
g/kg

Approved for use in meal or pellet feed

Claim 1

For the treatment of infections and infestations caused by the following internal and external parasites in breeding swine:

Gastrointestinal roundworms: Ascaris suum (adults and fourth stage larvae), Ascarops strongylina (adults), Hyostrongylu rubidus (adults and fourth stage larvae), Oesophagostomum spp. (adults and fourth stage larvae) and Strongyloides ransomi (adults and somatic larvae).

When given in the feed during the last month of gestation, ivermectin prevents transmission, via the colostrum or milk, of infective S. ransomi larvae from the sows to the piglets.

Kidney worms: Stephanurus dentatus (adults and fourth stage larvae)

Lung worms: Metastrongylus spp. (adults)

Lice: Haematopinus suis

Mites: Sarcoptes scabiei var. suis

Level of medicating ingredient in the complete feed

10 mg/kg (0.001 %) of ivermectin in the complete feed for breeding swine (sows, gilts and boars).

Directions for use in for the complete feed

Feed this medicated feed continuously as the sole ration for seven (7) consecutive days.

Additional information (not to appear on feed labels)

For feed manufacturers

Add and thoroughly mix into the ration at the following rate to provide 10 mg/kg (0.001%) of ivermectin per metric tonne (1000 kg) of complete feed:

  • 1.66 kg of Ivomec Premix for Swine
  • Dispersion of the premix is enhanced by diluting 1 kg of premix with 14 kg of finely ground feed ingredients. This diluted ivermectin premix should then be added to the complete feed at a rate of 25 kg per metric tonne of finished feed to be fed at the rate of 1 kg of feed per 100 kg  of body weight for breeding swine.

Additional information (not to appear on the label)

  • Mixing Ivomec Premix for Swine at a rate of 10 mg/kg of finished feed will provide a dose of ivermectin of 100 mcg/kg body weight.

Warning

  1. Treated breeding sows must not be slaughtered for use in food for at least fourteen (14) days after the latest treatment with this medicated feed.
  2. Keep out of reach of children. (Required on premix and supplement labels only)

Caution

  1. All pigs should be treated upon placement in clean quarters.
  2. Since the effect of ivermectin on mites is not immediate, care must be taken to prevent transfer of infestation to untreated animals or clean facilities. Generally, pigs should not be moved to clean quarters or exposed to uninfested pigs for approximately one week after treatment.
  3. Louse eggs are unaffected by ivermectin and may require up to three weeks to hatch. Louse infestations developing from hatching eggs may require retreatment.
  4. Pigs exposed to contaminated premises, soil or pasture may need retreatment if reinfection occurs.
  5. Consult a veterinarian for aid in the diagnosis and control of internal and external parasites of swine.

Accepted Compatibilities

Nil