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Related Experiment Videos

Use of a crush-reducing device to decrease crushing of suckling piglets by sows.

J H Jeon1, D J Kim, J H Han

  • 1Division of Applied Life Science, College of Agriculture, Gyeongsang National University, Jinju 660-701, Republic of Korea.

Journal of Animal Science
|May 14, 2005
PubMed
Summary
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A new crush-reducing device effectively lowers piglet crushing by sows, particularly in windy conditions. This innovation reduces piglet mortality without impacting their weight gain, enhancing overall farm productivity.

Area of Science:

  • Animal Science
  • Agricultural Engineering
  • Swine Production

Background:

  • Suckling piglets are vulnerable to crushing by sows, especially due to environmental factors like wind.
  • Piglet sensitivity to wind is linked to their underdeveloped subcutaneous fat layer.
  • Existing methods for reducing piglet crushing are limited.

Purpose of the Study:

  • To develop and evaluate a novel crush-reducing device for suckling piglets.
  • To assess the device's effectiveness in minimizing piglet crushing by sows.
  • To determine the impact of the device on piglet weight gain and overall farm productivity.

Main Methods:

  • A crush-reducing device utilizing photo sensors, a controller, solenoid valves, and an air compressor was designed.
  • Field testing involved 206 sows and their suckling piglets (Landrace x Yorkshire).

Related Experiment Videos

  • Piglet crushing incidence and litter weight gain were monitored before and after device implementation.

    • Main Results:

    • The crush-reducing device significantly reduced the number of crushed piglets per litter (0.05 vs. 0.23).
    • Crushing incidence was influenced by season and litter size but not sow parity.
    • There was no significant difference in the body weight gain of piglets between the device and control groups.

    Conclusions:

    • The developed crush-reducing device is effective in decreasing piglet mortality due to crushing.
    • The device offers a practical solution for improving piglet survival rates without compromising growth.
    • This technology has the potential to significantly boost productivity in swine breeding operations.