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Efficacy of a pour-on formulation of doramectin against lice, mites, and grubs of cattle.
Am J Vet Res. 1999 Apr; 60(4):402-4.AJ

Abstract

OBJECTIVE

To determine effectiveness of a pour-on formulation of doramectin against Damalinia bovis, Haematopinus eurysternus, Linognathus vituli, Solenopotes capillatus, Chorioptes bovis, Sarcoptes scabiei, Hypoderma bovis, and Hypoderma lineatum.

ANIMALS

Cattle of various ages with naturally acquired or artificial infestations with 1 or more species of lice, mites, or grubs.

PROCEDURE

In 10 louse and 6 mite studies, cattle were treated with doramectin (500 microg/kg, topically) on day 0, and parasite counts were performed approximately weekly from days 0 to 35. In 6 grub studies, cattle expected to harbor Hypoderma spp were treated before emergence of warbles. After warbles began to emerge, they were counted every 2 weeks, and grubs were collected and identified by species.

RESULTS

Burdens of D bovis, H eurystemus, L vituli, and S capillatus on doramectin-treated cattle were 0 by 28 days after treatment. Burdens of C bovis and S scabiei decreased to 0 in naturally infested cattle and approximately 0 in artificially infested cattle by day 14 to 15. In grub studies, 107 of 136 control cattle had warbles, whereas 2 of 136 doramectin-treated cattle had 1 warble each, which represented a cure rate of 98.5%.

CONCLUSION AND CLINICAL RELEVANCE

One topical application of doramectin was highly efficacious against common species of lice, mites, and grubs known to affect performance, health, and appearance of cattle.

Authors+Show Affiliations

Pfizer Central Research, Groton, CT 06340, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article

Language

eng

PubMed ID

10211679

Citation

Rooney, K A., et al. "Efficacy of a Pour-on Formulation of Doramectin Against Lice, Mites, and Grubs of Cattle." American Journal of Veterinary Research, vol. 60, no. 4, 1999, pp. 402-4.
Rooney KA, Illyes EF, Sunderland SJ, et al. Efficacy of a pour-on formulation of doramectin against lice, mites, and grubs of cattle. Am J Vet Res. 1999;60(4):402-4.
Rooney, K. A., Illyes, E. F., Sunderland, S. J., Sarasola, P., Hendrickx, M. O., Keller, D. S., Meinert, T. R., Logan, N. B., Weatherley, A. J., & Conder, G. A. (1999). Efficacy of a pour-on formulation of doramectin against lice, mites, and grubs of cattle. American Journal of Veterinary Research, 60(4), 402-4.
Rooney KA, et al. Efficacy of a Pour-on Formulation of Doramectin Against Lice, Mites, and Grubs of Cattle. Am J Vet Res. 1999;60(4):402-4. PubMed PMID: 10211679.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Efficacy of a pour-on formulation of doramectin against lice, mites, and grubs of cattle. AU - Rooney,K A, AU - Illyes,E F, AU - Sunderland,S J, AU - Sarasola,P, AU - Hendrickx,M O, AU - Keller,D S, AU - Meinert,T R, AU - Logan,N B, AU - Weatherley,A J, AU - Conder,G A, PY - 1999/4/22/pubmed PY - 1999/4/22/medline PY - 1999/4/22/entrez SP - 402 EP - 4 JF - American journal of veterinary research JO - Am. J. Vet. Res. VL - 60 IS - 4 N2 - OBJECTIVE: To determine effectiveness of a pour-on formulation of doramectin against Damalinia bovis, Haematopinus eurysternus, Linognathus vituli, Solenopotes capillatus, Chorioptes bovis, Sarcoptes scabiei, Hypoderma bovis, and Hypoderma lineatum. ANIMALS: Cattle of various ages with naturally acquired or artificial infestations with 1 or more species of lice, mites, or grubs. PROCEDURE: In 10 louse and 6 mite studies, cattle were treated with doramectin (500 microg/kg, topically) on day 0, and parasite counts were performed approximately weekly from days 0 to 35. In 6 grub studies, cattle expected to harbor Hypoderma spp were treated before emergence of warbles. After warbles began to emerge, they were counted every 2 weeks, and grubs were collected and identified by species. RESULTS: Burdens of D bovis, H eurystemus, L vituli, and S capillatus on doramectin-treated cattle were 0 by 28 days after treatment. Burdens of C bovis and S scabiei decreased to 0 in naturally infested cattle and approximately 0 in artificially infested cattle by day 14 to 15. In grub studies, 107 of 136 control cattle had warbles, whereas 2 of 136 doramectin-treated cattle had 1 warble each, which represented a cure rate of 98.5%. CONCLUSION AND CLINICAL RELEVANCE: One topical application of doramectin was highly efficacious against common species of lice, mites, and grubs known to affect performance, health, and appearance of cattle. SN - 0002-9645 UR - https://www.unboundmedicine.com/medline/citation/10211679/Efficacy_of_a_pour_on_formulation_of_doramectin_against_lice_mites_and_grubs_of_cattle_ DB - PRIME DP - Unbound Medicine ER -