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Safety of Improved Milbond-TX When Fed to Laying Hens at Higher-Than-Recommended Levels

Department of Animal Sciences, University of Florida, Gainesville 32611

Correspondence: ¹ Corresponding author: rdmiles{at}ufl.edu

A corn-soybean meal diet was supplemented with 0, 1, or 2% Improved Milbond-TX (IMTX, a hydrated sodium calcium aluminosilicate) for Hy-Line W-36 laying hens selected for good or poor eggshell quality. Supplementing the diet with IMTX had no detrimental effects on egg weight, eggshell weight, albumen quality, feed consumption, or feed conversion during 5 consecutive 28-d periods. Increase in BW over the 5-mo experimental period was not influenced by the addition of IMTX. Results from this study show that an accidental oversupplementation of a laying hen diet with up to 8 times the recommended level of IMTX of the manufacturer, which may occur due to a feed mill mixing error, should not result in adverse performance of laying hens nor should it affect the concentration of moisture in the excreta.

Key Words: layer • egg • performance • albumen quality • excreta moisture