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Journal of Dairy Science Vol. 36 No. 6 637-644
© 1953 by American Dairy Science Association ®
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The Estimation of the Dry Matter Consumption of Grazing Animals by Ratio Techniques

E. A. Kane, W. C. Jacobson, R. E. Ely and L. A. Moore

Bureau of Dairy Industry, Agricultural Research, Administration, U. S. Department of Agriculture, Washington, D. C.

ABSTRACT

Conclusions: The determination of digestibility by chromium oxide ratios, by plant pigment formula, and by indigestible protein formula is equally valid with standard total collection procedure.

Under the conditions of this experiment, the simultaneous use of two digestibility indicators appears to give excellent results in measuring both dry matter consumption and digestibility of forage consumed by grazing animals. No loss of dry matter was found on drying fecal samples at 80° C.






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