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The Availability Heuristic01:08

The Availability Heuristic

A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):

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Related Experiment Video

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High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

T Dillenburger1, U Lauber, M Steffl

  • 1Institut für Tieremährung (450), Universität Hohenheim, Emil-Wolff-Str. 10, 70599, Stuttgart, Deutschland.

Mycotoxin Research
|April 23, 2013
PubMed
Summary
This summary is machine-generated.

Histological studies on growing pigs fed Deoxynivalenol (DON) contaminated wheat revealed minimal tissue damage, despite observed reductions in feed consumption and weight gain in high-exposure groups.

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Area of Science:

  • Veterinary Pathology
  • Toxicology
  • Animal Science

Context:

  • Deoxynivalenol (DON) is a common mycotoxin found in grains, posing risks to animal health.
  • Growing pigs are susceptible to the adverse effects of mycotoxins, impacting productivity.
  • Histological examination is crucial for identifying sub-clinical tissue damage.

Purpose:

  • To evaluate the histological tissue-damaging effects of Deoxynivalenol (DON) in growing pigs.
  • To correlate dietary DON levels with observable pathological changes in key organs.
  • To assess the impact of naturally DON-contaminated wheat on porcine tissues.

Summary:

  • Pigs were fed wheat naturally contaminated with 4000 and 6000 µg DON/kg.
  • Histological analysis focused on the gastrointestinal tract, liver, and kidney of control and high-exposed pigs.
  • Despite reduced feed intake and weight gain in DON-exposed pigs, only one high-exposed animal exhibited focal gastrointestinal tissue alterations.

Impact:

  • This study indicates a potential threshold for observable histological damage from DON in pigs, even with significant dietary exposure.
  • Findings contribute to understanding the sub-clinical toxicological effects of DON in swine.
  • Highlights the importance of considering both performance metrics and histological data in mycotoxin risk assessment.