Prairie Swine Centre

 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): D. Cooper, J. Patience and M. Rademacher
Publication Date: January 1, 1999
Reference: Prairie Swine Centre Annual Report 1999 pp. 12-13
Country: Canada


Threonine is often the second limiting amino acid in most practical swine diets. Therefore, the threonine requirement of the high producing sow in lactation was determined in this study. Using a total of 419 C-15 PIC sows, the threonine requirement to minimize sow tissue breakdown was found to be 37.3, 40.0 and 38.9 g total threonine/d (28.7, 30.8 and 30.0 g digestible threonin/d) for parity 1, 2 and3+ sows, respectively. To maximize litter growth, the threonine requirement was found to be 36.6, 39.2 and 38.2 g total threonine/d (28.2, 30.2 and 29.5 g digestible threonine/d) for parity 1, 2 and 3+ sows, respectively.

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