1. Knarreborg A, Beck J, Jensen MT, Laue A, Agergaard N, Jensen BB: Effect of non-starch polysaccharides on production and absorption of indolic compounds in entire male pigs. Animal Science. 2002, 74: 445-453.
2. Jensen BB, Jensen MT: Microbial production of skatole in the digestive tract of entire pigs. Skatole and boar taint. Edited by: Jensen WK. 1998, Roskilde. Denmark: Danish Meat Research Institute, 293-304.
3. Friis C: Distribution, metabolic fate and elimination of skatole in the pig. Measurement and prevention of boar taint in entire male pigs. 1993, Roskilde Denmark. INRA, Paris (Les Collogues no. 60), 113-115. 12–14 October 1992
4. Jensen BB: Impact of feed composition and feed processing on the gastrointestinal ecosystem in pigs. Nutrition and gastrointestinal physiology – today and tomorrow. 1999, (red. AJM Jansman and J Huisman) TNO Nutrition and Food Research Institute, Wageningen, The Netherlands, 43-56.
5. Boyd WL, Lichstein HC: The effect of carbohydrates on the tryptophanase activity of bacteria. Journal of Bacteriology. 1995, 69: 584-589.