Dagnelie P. 1980. Theorie et methodes statistiques. Les Presses agronomiques de Gembloux, Gembloux, Belgium.
Darcy B., Laplace J. P. and Villiers P. A. 1980. [Digestion in the pig small intestine. 3. Comparative kinetics of the passage of starch and crudprotein in the ileum according to mode of fistulation, type of starch an d protein level of the diet.] Annales de Zootechnie 29: 277–298.
Darcy-Vrillon B. and Laplace J. P. 1990. Digestion collection procedure may affect ileal digestibility in pig s fed diets based on wheat bran or beet pulp. nimal Feed Science and Technology 27: 307–316.
Francois E., Thill N. and Thewis A. 1978. [Method for rapid estimation of chromium oxide in feeds, faeces and contents of digestive tract by titration after nitroperchloric oxidation.] Annales de Zootechnie 27: 355–361.
Graham H. and Aman P. 1986. Circadian variation in composition of duodenal and ileal digesta from pigs fitted with T-cannulas. nimal Production 43: 133–140.
Green S., Bertrand S. L., Duron M. J. C. and Maillard R. A. 1987. Digestibility of amino acids in maize, wheat and barley meal, measured in pigs with ileo-rectal anastomosis and isolation of the large intestine. Journal of the Science of Food and Agriculture 41: 29–43.
Green S. 1988. A note on amino acid digestibility measured in pigs with pre- or post-valv e ileo-rectal anastomosis, fed soya-bean, pea and meat meals. nimal Production 47: 317–320.
Hyden S. 1955. A turbidimetric method for the determination of higher polyethylene glycols in biological materials. Kungliga Lantbrukshogskolans Annaler 22: 139–145.
Laplace J. P., Darcy B. and Pons O. 1983. [Digestion in the pig small intestine. 5. Importance of the uncontrolled variation, modelling of meal curves of passage at the ileo-caeco-colic junction using polynomial regression.] Annales de Zootechnie 32: 201–213.
Leterme P., Thewis A., Beckers Y. and Baudart E. 1990. Apparent and true ileal digestibility of amino acids and nitrogen balance measured in pigs with ileo-rectal anastomosis or T-cannulas, given a diet containing peas. Journal of the Science of Food and Agriculture 52: 485–497.
Pond W. G., Pond K. R., Ellis W. C. and Matis J. H. 1986. Markers for estimating digesta flow in pigs and the effects of dietary fiber. Journal of Animal Science 63: 1140–1149.
Siddons R. C., Paradine J., Beever D. E. and Cornell P. R. 1985. Ytterbium acetate as a particulate-phase digesta- flow marker. British Journal of Nutrition 54: 509–519.
Thielemans M. F., Francois E., Bodart C. and Thewis A. 1978. [Measurement of gastrointestinal transit in pigs by radiolanthanides. Comparison with sheep.] Annales de Biologie Animale, Biochimie et Biophysique 18:(2A), 237–247.