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  • Title: [Digestion of pea and soya proteins in the preruminant calf. I. Circulating levels of nutrients, antibody formation and intestinal permeability to macromolecules].
    Author: Nunes do Prado I, Toullec R, Lallès JP, Guéguen J, Hingand J, Guilloteau P.
    Journal: Reprod Nutr Dev; 1989; 29(4):413-24. PubMed ID: 2610868.
    Abstract:
    Three milk-substitutes (control, pea and soya-bean)were given to 6 preruminant calves. In the control diet protein was almost entirely provided by skim milk powder. In the pea diet a pregelatinized dehulled pea flour provided 33.5% of the protein, the remainder being supplied by skim milk powder. In the soya-bean diet, 73.2% of the protein were provided by a soya-bean isolate and the remainder by whey powder. The concentrations of plasma triglycerides and the free alpha-amino nitrogen in the peripheral blood were lower with the pea and soya-bean diets than with the control diet before the morning meal, but became higher after feeding. That suggested a faster abomasal emptying of fat and protein with the pea and especially the soya-bean diet. Systemic antibody responses were induced against pea protein but not against soya-bean protein. No effect of the diet on the plasma concentration of immunoreactive beta-lactoglobulin was apparent after 6 days, suggesting there was no important change in gut permeability at least at that time.
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