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Related Experiment Videos

Snakebite in sheep

M C Mendez1, F Riet-Correa

  • 1Laboratorio Regional de Diagnostico, Faculdade de Veterinaria, Universidade Federal de Pelotas, RS Brazil.

Veterinary and Human Toxicology
|February 1, 1995
PubMed
Summary

Snakebites from Bothrops neuwiedi severely impacted sheep in southern Brazil, causing significant mortality. Environmental conditions, like drought, influenced the incidence of these venomous snakebites in livestock.

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Area of Science:

  • Veterinary Toxicology
  • Herpetology
  • Animal Science

Background:

  • Snakebites pose a significant threat to livestock health and productivity.
  • Bothrops neuwiedi envenomation is a concern in certain agricultural regions.
  • Environmental factors can influence the frequency of snake-livestock interactions.

Purpose of the Study:

  • To describe snakebite cases caused by Bothrops neuwiedi in a sheep flock.
  • To investigate the relationship between environmental conditions and snakebite incidence.
  • To document the clinical signs and outcomes of Bothrops neuwiedi envenomation in sheep.

Main Methods:

  • Observational study of a sheep flock in southern Brazil.
  • Recording of snakebite incidents, including number of sheep affected and mortality.
  • Correlation of case occurrences with local climatic data (drought, rainfall).

Main Results:

  • Twenty-two out of 135 sheep were bitten by Bothrops neuwiedi.
  • Eleven sheep died, indicating a high mortality rate.
  • Bites peaked during a severe drought in late December and January; cases ceased with abundant rainfall.

Conclusions:

  • Bothrops neuwiedi envenomation presents a serious risk to sheep populations in affected areas.
  • Drought conditions and overgrazed pastures appear to increase the likelihood of snakebites in sheep.
  • Environmental changes, such as rainfall, can influence the cessation of snakebite incidents.

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