During recent years many swine producers have adopted the practice of weaning pigs between 21 and 28 days of age. This allows for a shorter interval between farrowings, resulting in more litters per sow per year. Most research has indicated early weaned pigs perform better when fed complex diets containing some milk product, sugar, fat, oats or other ingredients compared to simple corn-soybean meal fortified diets. However, the economics of cost of feed per unit of gain has often favored the simple diets.
The objective of this experiment was to evaluate pig starter diets equalized in lysine content but varying in protein content and source of ingredients when fed to pigs of approximately 28 days of age.
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Agricultural Experiment Station, South Dakota State University
Wahlstrom, R. C.; Libal, G. W.; and Hagemeier, D. L., "Simple and Complex Diets for Early Weaned Pigs" (1981). South Dakota Swine Field Day Proceedings and Research Reports, 1981. 11.