Industry Partners

Prairie Swine Centre is an affiliate of the University of Saskatchewan

Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.

Financial support for the Enterprise Model Project and Pork Insight has been provided by:

Author(s): Alle, Gary L., Liu, H., Spencer, J.D., Touchette, K.J., Frank, J.W.
Publication Date: January 1, 2001
Reference: Alle, Gary L., Liu, H., Spencer, J.D., Touchette, K.J., Frank, J.W. (2001). Effect of Reducing Dietary Protein Level and Adding Amino Acids on Performance and Nitrogen Excretion of Early-Finishing Barrows. Proceeding from the American Association of Swine Veterinarians; Vol:32, pp 527-533.
Country: United States


This study was designed to evaluate the effect of reducing the protein level of late finishing pigs by 4-5% on growth performance, carcass characteristics and N excretion. The results indicate that dietary protein levels and N excretion can be reduced significantly without affecting pig performance when diets are supplemented with lysine, threonine, tryptophan and methionine. From a production standpoint, this means that a producer needs 38.4 % less land to spread his manure on if the nutrient management plan is based on N. However, amino acid levels need to be based on gram/day intake to avoid problems occurring with differences in feed intake causing an amino acid deficiency.

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