Zoonotic Diseases

Übersicht

Some diseases do not stay inside the species they start in. A sick goat can pass its illness to the farmer who milks it; a dog with rabies can pass its infection to the child it bites; a cow with tuberculosis can pass the bacteria to the family that drinks its unboiled milk. Diseases that cross this way, from animal to human, are called zoonotic diseases, and they turn animal health from a farm concern into a public health one.

In this lesson you will learn what makes a disease zoonotic, meet the zoonoses that matter most on Nigerian farms, trace the specific routes by which each one reaches a human host, and learn the everyday precautions that close those routes. You will also see why this topic reaches far beyond the farm gate, to abattoir workers, veterinarians and the general public who never touch a live animal at all.

Ziele

  1. Define zoonotic diseases
  2. Give examples of zoonotic diseases common in Nigeria
  3. Explain how zoonotic diseases are transmitted from animals to man
  4. State the precautions taken to prevent zoonotic disease transmission
  5. Explain the public health importance of zoonotic diseases

Lektionshinweis

A butcher in Kano skins a cow that died overnight, undiagnosed, with a small cut on his hand. Three days later he is gravely ill: the cow had died of anthrax, and the bacteria entered through the cut. Understanding zoonotic diseases protects every farmer, trader and household that keeps livestock.

Unterrichtsbewertung

Herzlichen Glückwunsch zum Abschluss der Lektion über Zoonotic Diseases. Jetzt, da Sie die wichtigsten Konzepte und Ideen erkundet haben,

Sie werden auf eine Mischung verschiedener Fragetypen stoßen, darunter Multiple-Choice-Fragen, Kurzantwortfragen und Aufsatzfragen. Jede Frage ist sorgfältig ausgearbeitet, um verschiedene Aspekte Ihres Wissens und Ihrer kritischen Denkfähigkeiten zu bewerten.

Nutzen Sie diesen Bewertungsteil als Gelegenheit, Ihr Verständnis des Themas zu festigen und Bereiche zu identifizieren, in denen Sie möglicherweise zusätzlichen Lernbedarf haben.

  1. A zoonotic disease is best defined as a disease that is: A. Found only in wild animals B. Naturally transmissible from animals to humans C. Passed from one human to another D. Caused only by poor nutrition Answer: B
  2. Which of the following is caused by a virus? A. Anthrax B. Brucellosis C. Rabies D. Ringworm Answer: C
  3. Bovine tuberculosis is most commonly transmitted to humans through: A. Tick bites B. Unpasteurised milk and infected meat C. Airborne dust in poultry houses D. Contact with dog saliva Answer: B
  4. Which precaution chiefly protects a person handling a carcass from direct-contact zoonoses such as anthrax? A. Boiling drinking water B. Wearing protective clothing and gloves C. Vaccinating poultry D. Improving housing ventilation Answer: B
  5. Which of these is generally regarded as a milder, common zoonosis spread by skin contact with an infected animal? A. Rabies B. Anthrax C. Avian influenza D. Ringworm Answer: D

Empfohlene Bücher

Introduction to Animal Science: Global, Biological, Social and Industry Perspectives
Introduction to Animal Science: Global, Biological, Social and Industry Perspectives
Untertitel: Sixth edition
Verleger: Pearson
Jahr: 2017
ISBN: 978-0-13-443605-0
Beschreibung: A comprehensive introduction to animal science covering anatomy and physiology, nutrition, genetics, reproduction, animal health and the major farm animal species and their production systems.
Small-scale Poultry Production: Technical Guide
Small-scale Poultry Production: Technical Guide
Verleger: Food and Agriculture Organization of the United Nations
Jahr: 2004
ISBN: 978-92-5-105082-8
Beschreibung: An FAO Animal Production and Health Paper written by a Nigerian animal scientist, covering breeds, housing, feeding, incubation, disease control and marketing for small-scale poultry keepers in developing countries.
Tropical Animal Feeding: A Manual for Research Workers
Tropical Animal Feeding: A Manual for Research Workers
Verleger: Food and Agriculture Organization of the United Nations
Jahr: 1995
ISBN: 978-92-5-103758-4
Beschreibung: An FAO Animal Production and Health Paper on the principles of ruminant and non-ruminant nutrition and the practical use of tropical feed resources, including crop residues and by-products, in sustainable livestock systems.

Frühere Fragen

Fragen Sie sich, wie frühere Prüfungsfragen zu diesem Thema aussehen? Hier sind n Fragen zu Zoonotic Diseases aus den vergangenen Jahren.

WAEC SSCE - Animal Husbandry - 2014

Frage 1 Bericht

(a) Discuss anthrax disease under the following headings:

  • causative organisms
  • two modes of transmission;

 

(b) Draw and label the reproductive tract of a hen.  [6 marks]

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