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The effect of formaldehyde and formic acid as silage additives on the ruminal degradation of a grass-legume silage

Published online by Cambridge University Press:  24 November 2017

S. Lopez ,
M.D. Carro ,
C. Carpintero  and
J.S. Gonzalez
S. Lopez
Affiliation:
Departamento de Producción Animal, Universidad de León., 24007 León., Spain
M.D. Carro
Affiliation:
Departamento de Producción Animal, Universidad de León., 24007 León., Spain
C. Carpintero
Affiliation:
EAE. CSIC. Aptdo 788. 24080 León., Spain
J.S. Gonzalez
Affiliation:
Departamento de Producción Animal, Universidad de León., 24007 León., Spain
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Extract

One of the main problem of preserving forages by ensiling is the high proportion of non-protein N of the silage as a consequence of the proteolitic action of plant enzymes and the consequent poor utilization of N by the ruminant.

Several procedures have been developed with the aim of reduce this protein breakdown but these methods could reduce the ammount of N available for tie rumen microbes and the N digestibility in the post-runinal tract. This study was set up to determine the rumen degradation characteristics of silages treated wit different additives.

Three silages were lade from the 3rd cut of a grass-legune mixture sward in 1 t capacity silos. The herbages were treated with either no additive (C), formic acid (4 1 of a solution of 85% foric acid/t of grass) (F) or fonaldehyde (4.9 g fonaldehyde/100 g grass CP) (FA).

Type
Silage Additives
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1992 , March 1992 , pp. 158
Copyright
Copyright © The British Society of Animal Production 1992

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References

McDonald, I. 1981. A revised model for the estimation of protein degradability in the rumen. Journal of Agricultural Science. Cartridge, 91: 251–251.CrossRefGoogle Scholar
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