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Related Experiment Videos

Raw soybeans for gestating swine.

M A Crenshaw, D M Danielson

    Journal of Animal Science
    |January 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Feeding raw soybeans (RSB) to gestating sows improved piglet birth weights and milk fat content at 3 days. Reproductive performance was not significantly impacted by using RSB compared to soybean meal (SBM) in swine gestation diets.

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    Area of Science:

    • Animal Science
    • Reproductive Biology
    • Swine Nutrition

    Background:

    • Soybean meal (SBM) is a common protein supplement in swine diets.
    • Raw soybeans (RSB) offer an alternative protein source but require evaluation for reproductive effects.

    Purpose of the Study:

    • To assess the impact of feeding raw soybeans (RSB) versus soybean meal (SBM) during gestation on swine reproductive performance across three parities.
    • To evaluate the influence of dietary treatments on piglet birth and weaning weights, maternal weight changes, and milk composition.

    Main Methods:

    • Sixty crossbred gilts were assigned to diets with either SBM or RSB as the primary protein source (14% crude protein).
    • Animals were fed 1.81 kg/d during gestation and a standard lactation diet post-farrowing.
    • Reproductive parameters, piglet weights, maternal weight changes, and milk fat percentages were measured over three parities.

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    Main Results:

    • Sows fed RSB had significantly higher average piglet birth weights (P < .05).
    • Milk fat percentage was higher in sows fed RSB at 3 days postpartum (P < .05) but lower at 14 days (P < .1).
    • No significant differences were observed in 21-day weaning weights or maternal weight changes during gestation.

    Conclusions:

    • Raw soybeans (RSB) can be effectively utilized as a protein source in gestation diets for swine.
    • RSB supplementation positively influences piglet birth weight and early lactation milk fat content without compromising overall reproductive efficiency.