Shortened Photoperiod Enhances Protein and Fat Energy Deposition in Growing Pigs.

Additionally, the prolonged photoperiod group showed a trend of increasing net energy deposition ( p = 0.068) and net energy for fat deposition ( p = 0.052).

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At this time, the heat production of the pigs under prolonged photoperiod treatment is lower than that of the normal photoperiod treatment, and both treatments show a decreasing trend in heat production.

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The NDF digestibility rate ( p = 0.078) and crude protein digestibility rate ( p = 0.066) of prolonged photoperiod showed an increasing trend compared to the shortened photoperiod ( Table 2 ). 3.2.

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