Animal Husbandry WAEC

Snail Farming

Resumen

Long before anyone farmed it, the giant African land snail was simply gathered: children combing the bush after the first rains, market women selling whatever a night's hunting turned up. Snail farming, properly called heliciculture, is the deliberate opposite of that: breeding and rearing edible snails in a controlled pen so that supply no longer depends on the weather or the width of the bush. It is one of the smallest, cheapest livestock enterprises a Nigerian household can start, and one of the most overlooked.

In this lesson you will learn what snail farming actually means, meet the two giant land snail species Nigerian farmers rear, and work through the housing, feeding and breeding routine that keeps a snailery productive. You will finish able to explain why this quiet, low-cost enterprise deserves a place beside poultry and fish farming in any serious discussion of Nigerian livestock production.

Objetivos

  1. Define snail farming
  2. State the common species of edible snails reared in Nigeria
  3. Explain the management practices in snail farming
  4. State the economic importance of snail farming
  5. Explain the factors that favour snail farming in Nigeria

Mapa mental

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Tarjetas

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Nota de la lección

Ask most people where snails for the pot come from and the answer is "the bush", gathered after rain by whoever gets there first. That picture is changing. Snail meat is lean, high in protein and in growing demand in Nigerian cities, yet wild snails are seasonal and cannot be supplied reliably to a restaurant or market stall. Heliciculture, the deliberate rearing of edible snails, closes that gap, needing no tractor, no borehole and no large capital, only a shaded pen, moist soil and patience.

Evaluación de la lección

Felicitaciones por completar la lección del Snail Farming. Ahora que has explorado el conceptos e ideas clave, es hora de poner a prueba tus conocimientos. Esta sección ofrece una variedad de prácticas Preguntas diseñadas para reforzar su comprensión y ayudarle a evaluar su comprensión del material.

Te encontrarás con una variedad de tipos de preguntas, incluyendo preguntas de opción múltiple, preguntas de respuesta corta y preguntas de ensayo. Cada pregunta está cuidadosamente diseñada para evaluar diferentes aspectos de tu conocimiento y habilidades de pensamiento crítico.

Utiliza esta sección de evaluación como una oportunidad para reforzar tu comprensión del tema e identificar cualquier área en la que puedas necesitar un estudio adicional. No te desanimes por los desafíos que encuentres; en su lugar, míralos como oportunidades para el crecimiento y la mejora.

  1. Snail farming is best defined as: A. Collecting snails found wild in the bush after rain B. The deliberate rearing of edible snails in a managed enclosure for food and income C. Hunting snails for sale in the market D. Keeping snails as pets only Answer: B
  2. Which of the following is a distinguishing feature of Archachatina marginata? A. A narrow conical shell with brown stripes B. A large dark shell with a pale band C. A white shell with no markings D. No shell at all Answer: B
  3. The enclosure in which farmed snails are housed is called a: A. Coop B. Snailery C. Sty D. Hutch Answer: B
  4. Which of these is the best reason snails must be kept in shaded, moist conditions? A. They dislike bright colours B. Their soft skin loses water quickly in dry, sunny conditions C. They cannot see in daylight D. Shade improves the taste of the meat Answer: B
  5. Giant land snails are described as hermaphrodite because each snail: A. Can fertilise its own eggs alone B. Carries both male and female reproductive organs C. Has no reproductive organs D. Changes sex every year Answer: B

Libros Recomendados

Introduction to Animal Science: Global, Biological, Social and Industry Perspectives
Introduction to Animal Science: Global, Biological, Social and Industry Perspectives
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Año: 2017
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Descripción: 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
Editorial: Food and Agriculture Organization of the United Nations
Año: 2004
ISBN: 978-92-5-105082-8
Descripción: 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
Editorial: Food and Agriculture Organization of the United Nations
Año: 1995
ISBN: 978-92-5-103758-4
Descripción: 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.

Preguntas de repaso

¿Te preguntas cómo son las preguntas anteriores sobre este tema? Aquí tienes una serie de preguntas sobre Snail Farming de años anteriores.

WAEC SSCE - Animal Husbandry - 2021

Pregunta 1 Informe

specimens

Specimen E (Land snail)

Giant African Land Snail Animal Facts | Achatina fulica - AZ Animals

(a)(i) Name two external parts of the body of specimen E.

(ii) State five which could be derived from rearing specimen E.

(iii) Name three pests that could attack specimen E. 


Specimen F (Bamboo)

Golden Bamboo: Plant Care & Growing Guide

(b)(i) State three uses of specimen F on an animal farm.

(ii) Give two disadvantages of using specimen F on an animal farm

 

Detalles de la respuesta

Specimen E (land snail)

(a)(i) Two external parts of the body

  • Shell.
  • Muscular foot (also tentacles bearing the eyes, head, mouth and respiratory pore).

(a)(ii) Five benefits derived from rearing the snail

  • Source of protein-rich meat.
  • Source of income and employment.
  • The slime is used for medicinal and cosmetic products.
  • The shell serves as a source of calcium in livestock feed and for liming.
  • Raw material for ornaments and decoration, and a source of foreign exchange.

(a)(iii) Three pests that could attack the snail

  • Soldier ants.
  • Rodents.
  • Reptiles such as lizards and snakes (also birds, frogs, beetles and termites).

Specimen F (bamboo)

(b)(i) Three uses of bamboo on an animal farm

  • Construction of animal houses, barns and cages.
  • Making feeders and drinkers.
  • Flooring (slatted floors), poles, fencing and paddocking.

(b)(ii) Two disadvantages of using bamboo on an animal farm

  • It is easily attacked by termites and does not last long.
  • Its sharp edges can injure the animals and farmers, and it harbours pests.
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