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Related Experiment Videos

Two reduced nocturnal temperature regimens for early-weaned pigs.

M C Brumm1, D P Shelton

  • 1Dept. of Anim. Sci., University of Nebraska, Concord 68728.

Journal of Animal Science
|April 1, 1991
PubMed
Summary

Reduced nocturnal temperatures in pig nurseries can save energy without negatively impacting growth or subsequent performance. These findings suggest controlled cyclical temperature strategies offer significant energy savings for swine production.

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Area of Science:

  • Animal Science
  • Agricultural Engineering
  • Swine Nutrition

Background:

  • Swine nurseries require precise temperature control for newly weaned pigs.
  • Energy consumption for heating pig nurseries represents a significant operational cost.
  • Optimizing temperature regimens can potentially reduce energy use and improve economic efficiency.

Purpose of the Study:

  • To evaluate the impact of reduced nocturnal temperature regimens on weaned pig performance.
  • To assess the effects of these temperature strategies on subsequent growing-finishing performance.
  • To quantify nursery energy (propane and electricity) savings associated with reduced nocturnal temperatures.

Main Methods:

  • Two experiments utilized 3- to 4-wk-old weaned pigs across multiple trials.

Related Experiment Videos

  • Nursery treatments included a control temperature (CT) regimen and reduced nocturnal temperature regimens (MRNT-H and MRNT10).
  • Dietary lysine levels (1.2% then 1.0% vs. continuous 1.15%) were evaluated within temperature treatments.

    • Main Results:

    • Reduced nocturnal temperatures (MRNT-H) in Exp. 1 negatively affected average daily gain (ADG) and feed-to-gain ratio.
    • No significant differences in ADG or feed-to-gain were observed between MRNT10 and CT in Exp. 2.
    • Nursery temperature regimens did not impact subsequent growing-finishing performance or show interactions with diet treatments.
    • Significant energy savings were achieved, ranging from 68 to 79 MJ per weaned pig.

    Conclusions:

    • Controlled application of cyclical reduced nocturnal temperatures can lead to substantial energy savings in swine nurseries.
    • Specific reduced nocturnal temperature strategies (MRNT10) may offer energy benefits without compromising pig performance.
    • Estimated energy savings could approach $50 per weaned pig under the experimental conditions.