Parasite Management of
Sheep and Goats



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Table 1. Anthelmintics used for small ruminant gastrointestinal parasites that are currently available in the United States.
Class of Compound Compound Trade Name
phenothiazine phenothiazine various
benzimidazole thiabendazole* TBZ
    Ominzole
    Thiabendazole
  mebendazole Telmin
  fenbendazole Panacur
    Safeguard
  oxfendazole Benzelmin
  oxibendazole Anthelcide
  albendazole Valbazen
pro-benzimidazole febantel Rintel
imidothiazole levamisole* Levasol
    Tramisole
    Ripercol
tetrahydropyrimidine morantel* Rumital
    Rumatel
    Nematel
organophosphate haloxon Loxon
avermectin ivermectin Ivomec
*Products approved for use in goats in the United States

Unusual Animal Behavior, Check Veterinary Recalls: Feed, Medicine, Equipment and etc.

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Table 2. Relative spectrum of anthelmintic activity
Anthelmintic Haemonchus Gastrointestinal
Nematodes
Tapeworms Trade Name
phenothiazine + -   various
thiabendazole* + ++++   TBZ
        Ominzole
        Thiabendazole
mebendazole ++ ++++ X Telmin
fenbendazole ++ ++++ X Panacur
      X Safeguard
oxfendazole ++ ++++ X Benzelmin
oxibendazole + ++++   Anthelcide
albendazole ++++ ++++ X Valbazen
febantel ++ ++++   Rintel
levamisole* +++ ++++   Levasol
        Tramisole
        Ripercol
morantel* +++ ++++   Rumital
        Rumatel
        Nematel
haloxon       Loxon
ivermectin ++++ ++++   Ivomec
*Products approved for use in goats in the United States
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Table 3. Drugs for Controlling Internal Parasites (Anthelmintics and Coccidiostats)
Source: Goat Health Handbook by T.R. Thedford, DVM
Drug Round-worms Larvae Whip-worms Tape-worms Lung-worms Flukes Coccidia Precautions
(always check label for withdrawal information.)
*Albendazole 5-10 mg/kg     5-10 mg/kg   10-20 mg/kg   Do not use 1st third of pregnancy
75 mg/kg fatal.
*Oxfendazole 5 mg/kg 5 mg/kg 5 mg/kg 5 mg/kg 5 mg/kg     Do not use in pregnant animals
safe to triple dose otherwise.
*Cambendazole 10-15 mg/kg 25 mg/kg   20-25 mg/kg 40 mg/kg     Do not use in 1st third of pregnancy. Do not overdose.
*Fenbendazole 5 mg/kg 5 mg/kg 5-10 mg/kg 5-10 mg/kg 5 mg/kg 10 mg/kg or more   Safe in pregnant animals.
Thiabendazole 44-66 mg/kg             Resistance common. Safe in pregnant animals.
*Oxibendazole 5-10 mg/kg 5-10 mg/kg           Safe in pregnant animals.
Mebendazole 13.5 mg/kg     13.5 mg/kg       Safe in pregnant animals.
Levamisole 8 mg/kg       8 mg/kg     Do not overdose or use on milking goats. Safe in pregnant animals.
*Haloxon 50 mg/kg (no longer commonly available)   May cause posterior paralysis.
Phenothiazine 12.5 g/
11 to 27 kg

25 g over 27 kg
            Do not use last third of pregnancy--only fairly effective. Do not use on lactating does. Do not overdose or use on debilitated animals.
*Morantel 10 mg/kg             Safe in pregnant animals.
*Amprolium             50 mg/kg Give for 5 days. Long term use may cause thiamine (B1) deficiency.
50 mg/kg One time drench.
*Clursulon
(curatrem)
          7mg/kg   8-day withdrawal before slaughter.
*Pyrantel 25 mg/kg             Safe in pregnant animals.
*Monensin             .75 g/44 kg (15 g/ton) Fairly toxic. Feed throughout feeding period.
Sulfa drugs (dimidine, guanidine, methazine, quinoxaline)             200 mg/kg Reduce dosage by 1/2 on subsequent days. Treat for 3-5 days.
Lasalocid             1 g/44 kg
(20 g/ton)
4.5 g/44 kg
(90 g/ton)
In feed.

In salt.
*Decoquinate             .5 mg/kg In feed for 28 days. No withdrawl.
*Avermectins 200 ug/kg 200 ug/kg 200 ug/kg   200 ug/kg     Also effective against external parasites such as sucking lice and all stages of nasal bots. Dosage in micrograms. 11-day withdrawl.
Nitrofurazone             7-10 mg/kg Prescription drug.
*Drugs not approved for sheep and goats in the U.S. May be used if a doctor, client, patient relationship exists.
a Note that all dosages are based on active ingredients. Dosages are per kilogram of body weight unless otherwise indicated.



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