Abstract
AN article under this title in Nature, October 2, pp. 543 and 544, dealt with the proceedings of a discussion on September 9 in Section I (Physiology) of the British Association. In the report of Dr. J. W. Howie‘s contribution, reference is made to a "protein rice concentrate" ; this should read "protein-rich concentrate". Ewes fed this concentrate as a supplement to pasture grazing showed, over a period of two years observation, no difference in fæces worm-egg counts from similar ewes grazed on the same pasture but not fed concentrate. Lambs born of the ewes and fed the same diet as their mothers, however, showed a marked difference in worm burden during a year‘s observation, the lambs given concentrate having significantly fewer worm eggs in the faeces. The account of Dr. Howie‘s second experiment, in which diet was shown to influence the resistance of mice to experimental tuberculosis, may have suggested that the higher protein in the better diet was established as the cause of the superior resistance. Dr. Howie wishes to make it clear that he has not yet examined this possibility, and that other important differences between the diets must be taken into account.
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"Changing Aspects of Nutrition". Nature 162, 769 (1948). https://doi.org/10.1038/162769d0
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DOI: https://doi.org/10.1038/162769d0