Effects of rearing environment on the behaviour of young pigs

Journal of Animal Science, volume 57 Supplement 1 (1983) page 137

Temple Grandin, Stanley E. Curtis and William T. Greenough, University of Illinois at Urbana-Champaign.

Twenty-four 4 and 1/2 week old Hampshire-sired crossbred pigs from five litters were placed in either a "stimulating" of a "nonstimulating" environment.