340.

Hiers Jr JM, Miller WJ, Blackmon DM. Effect of dietary cadmium and ethylenediamine-tetraacetate on dry matter digestibility and organ weights in zinc deficient and normal ruminants. J Dairy Sci. 1968; 51:205-209. (NA38) [Studies were conducted with 35 animals to find whether addition of 350 ppm cadmium (as CdCl2) or of 300 ppm ethylenediamine tetra-acetate (as disodium EDTA) affected dry matter digestibility or relative organ weights as a percentage of bodyweight of zinc-deficient calves or goats. In contrast with previous work, Zn-deficient animals had small but significantly lower dry matter digestibilities. Neither EDTA nor Cd had a consistent or material effect on digestibility of a purified diet. Testicles of Zn-deficient goats were reduced in size. In general, tibiae were somewhat larger in deficient goats but not in deficient calves. In some instances, lungs of deficient animals given Cd were larger relative to body size than those in animals given other treatments. Neither EDTA, Ca, nor Zn deficiency materially and consistently affected size of kidney, heart or spleen. The predominant influence of EDTA and Cd on health, performance and metabolism of young ruminants does not appear to be through an effect on dry matter digestibility and is probably not by gross effects on sizes of the organs studied.]

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