Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Anticholinesterase Agents: Poisoning and Treatment

Anticholinesterase Agents: Poisoning and Treatment

Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...

Prevention of Further Absorption of Poison

Prevention of Further Absorption of Poison

In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...

Inhalation Anthrax

Inhalation Anthrax

Anthrax is a zoonotic disease caused by Bacillus anthracis, a Gram-positive, spore-forming bacterium. It primarily affects herbivorous animals but can be transmitted to humans through skin contact, ingestion, or inhalation of spores.Cutaneous anthrax, the most common form, typically results from direct contact with bacterial spores through skin abrasions and is generally less severe. Gastrointestinal anthrax results from eating undercooked or contaminated meat. It affects the mouth, throat, or...

Physical Properties of Amines

Physical Properties of Amines

Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.

Local Anesthetics: Adverse Effects

Local Anesthetics: Adverse Effects

While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...

Drug Toxicity: Allergic Reactions

Drug Toxicity: Allergic Reactions

Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to a...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Seed development of mung bean: an approach of maturation in tropical conditions.

Brazilian journal of biology = Revista brasleira de biologia·2025

Same author

How Do Collaria oleosa and Brachiaria spp. Respond to Increase in Carbon Dioxide Levels?

Neotropical entomology·2018

Same author

Natriuretic peptide system regulation in granulosa cells during follicle deviation and ovulation in cattle.

Reproduction in domestic animals = Zuchthygiene·2018

Same author

Aliskiren effect on non-alcoholic steatohepatitis in metabolic syndrome.

Diabetology & metabolic syndrome·2017

Same author

Impact of Insecticides Used in Soybean Crops to the Egg Parasitoid Telenomus podisi (Hymenoptera: Platygastridae).

Neotropical entomology·2017

Same author

Prevalence and risk factors for hepatitis B and C viruses in patients with leprosy.

Acta tropica·2017

Search research articles

Related Experiment Video

Updated: Jul 17, 2026

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

Published on: April 30, 2016

Acute cattle intoxication from Nerium oleander pods.

B Soto-Blanco¹, J D Fontenele-Neto, D M Silva

¹Departamento de Ciências Animais, Universidade Federal Rural do Semi-árido, Mossoró, Brazil. bsotoblanco@yahoo.com.br

Tropical Animal Health and Production

|January 25, 2007

Summary

Oleander (Nerium oleander) poisoning caused 7 cattle outbreaks in Brazil, resulting in a 67% mortality rate. Lack of awareness regarding toxic plants like oleander led to these acute intoxication incidents.

More Related Videos

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry

Published on: October 2, 2016

Related Experiment Videos

Last Updated: Jul 17, 2026

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

How to Create Conditioned Taste Aversion for Grazing Ground Covers in Woody Crops with Small Ruminants

Published on: April 30, 2016

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry

Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry

Published on: October 2, 2016

Area of Science:

Veterinary Toxicology
Ruminant Health
Plant Toxicity

Background:

Oleander (Nerium oleander) is a toxic plant with cardiac glycosides.
Cattle are susceptible to oleander poisoning, especially when forage is scarce.
Outbreaks of animal poisoning highlight the need for greater awareness of toxic flora.

Purpose of the Study:

To document and analyze outbreaks of acute oleander intoxication in Brazilian cattle.
To identify the circumstances and contributing factors leading to oleander poisoning in herds.
To emphasize the importance of disseminating information on toxic plant hazards.

Main Methods:

Retrospective analysis of seven reported oleander poisoning outbreaks in cattle.
Data collection on herd size, affected animals, mortality, and clinical signs.
Examination of postmortem findings and rumen contents for oleander plant material.

Main Results:

Seven outbreaks involved 92 cattle, with 57 deaths (67% mortality).
Incidents occurred during the dry season, linked to intentional feeding or accidental ingestion.
Common clinical signs included ataxia, diarrhea, depression, and sudden death; oleander leaves were found in rumens.

Conclusions:

Oleander poisoning poses a significant threat to cattle in Northeast Brazil.
Accidental ingestion and lack of owner knowledge about plant toxicity are primary causes.
Increased public awareness and education on common toxic plants are crucial for prevention.