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  • Title: Update on llama medicine. Parasites.
    Author: Rickard LG.
    Journal: Vet Clin North Am Food Anim Pract; 1994 Jul; 10(2):239-47. PubMed ID: 7953957.
    Abstract:
    Lamoids in North America harbor a wide variety of parasites. Treatment and control methods based on previous experience with parasites of cattle and sheep have been successful, but problems do exist. First, the pharmacokinetics for most anthelmintics have not been evaluated in llamas. Second, even though llamas, sheep, and cattle share many parasites, the two most common nematodes found in llamas (C. mentulatus and T. tenuis) are not part of the parasitic fauna of livestock. This presents difficulties in basing treatment and control methods on those recommended for cattle and sheep. Variability in host response to the same parasite also hinders the use of cattle and sheep as models for the llama. This is best demonstrated by F. magna and F. hepatica; the reaction induced by the first more closely resembles those seen in cattle than sheep, but the reaction induced by the second more closely resembles those seen in sheep than cattle. Finally, parasites known to be pathogenic in livestock (e.g., N. battus) have unknown effects in llamas. These examples illustrate that we must use caution when extrapolating existing knowledge regarding the parasites of sheep and cattle to llamas. Further research on the epidemiology of parasites peculiar to the llama is needed to enhance control efforts. Improved methods of diagnosis and treatment of parasites also are areas in which further efforts are needed.
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