Principles and Techniques of Veterinary and AH Extension

PROCEDURE

• Planning
  • Decide on the theme on which the slides have to be prepared.
  • Decide on the item on which the photographic shots have to be taken.
  • On the basis of availability of materials decide on the time of taking the shots.
  • Make a written programme of taking the shots.
• Preparation
  • Making of slide
    • Use good quality 35 mm camera and good quality positive colour film. Take shots on what is to be communicated to the audience.
    • Take photographs in a way which shall produce brilliant pictures.
    • Get the film processed in a good photographic studio.
    • Select the best and significant shots and make slides out of them. The slides should be 2"x2" or 2 1/2 "x 3 1/2' sze.
  • Projection of slide
    • Select slide appropriate to the extension programme. It will be convenient to use a slide viewer for this purpose.
    • Arrange slides in proper sequence, load it in the slide carrier in an upside down position in a reversed manner and preview them.
    • Rehearse the talk with the slides.
    • Check operation of slide projector, availability of screen or white wall, electricity, seating, and arrangements for making the room dark.
  • Presentation
    • Keep all arrangements for projection of slide ready.
    • Introduce the topic and explain briefly about the major points.
    • Announce about the projection of slides, darken the room and put on the slide projector.
    • Project the slides one by one and explain them to the audience.
    • Emphasize on important points by using a pointer.
    • After the presentation of slides, put on the light and make the concluding statement.
    • Invite questions from the audience and answer them.
    • Take 25% of the time for introducing the topic and explaining the main points, 50% of the time for projecting slides and delivering talk and the rest 25% of time for concluding and question and answer session.

Advantages

• Attracts attention and arouses audience interest.
• Selected slides may help in motivating the audience.
• Projection of slides may be synchronized with the talk.
• A few good slides may make a story.
• Have high credibility and can give the audience a real life experience.
• Provide for documentation and result evaluation.
• Less costly and easy to operate.
• Have high flexibility in presentation.
• Light, easy to carry, operate and store.

Limitations

• Can be used only for a small group of people.
• Requires power supply.
• Understanding the projected pictures require live narration.
• It requires skill in taking photographs and projection of slide.