References

AOAC, 1990. Official Methods of Analysis. 15th Edn., Association of Official Analytical Chemists, Arlington, VA.

Agbossamey, Y.R., P. Savoie and J.R. Seoane, 1998. Effect of maceration on nitrogen fractions in hay and silage. Can. J. Anim. Sci., 78: 399-405.

Barry, T N., J.E. Cook and R.1. WiIkins, 1978. The influence of formic acid and formal dehyde additives and type of harvesting machine on the utilization of nitrogen in alfalfa silages. 1. The voluntary intake and nitrogen retention of young sheep consuming the silages with and without intra peritoneal supplements of DL methionine. J. Agric. Sci. (Camb.), 91: 701-701.

Behgar, M., M.D. Mesgaran, H.N. Moghadam and S. Sobhanirad, 2008. Chemical and digestibility characteristics of alfalfa silage treated with formic and/or sulphuric acid and its effect on production characteristics of early lactating cows. J. Sci. Technol. Agric. Nat. Res., 40: 340-350.

Broderick, G.A. and M.K. Clayton, 1997. A statistical evaluation of animal and nutritional factors influencing concentrations of milk urea nitrogen. J. Dairy Sci., 80: 2964-2971.
Direct Link  |  

Danesh, M.M. and M.D. Stern, 2005. Ruminal and post-ruminal protein disappearance of various feeds originating from iranian plant varieties determined by the in situ mobile bag technique and alternative methods. Anim. Feed Sci. Technol., 118: 31-46.

Derbyshire, J.C., D.R. Waldo and C.H. Gordon, 1976. Performance of dairy cattle on wilted formic acid silages. J. Dairy Sci., 59: 1278-1285.
CrossRef  |  

Glenn, B.P., H.F. Tyrrell, D.R. Waldo and H.K. Goerbg, 1986. Effects of diet nitrogen and forage nitrogen insolubility on performance of cows in early lactation. J. Dairy Sci., 69: 2825-2836.
CrossRef  |  

Lancaster, R.J. and L.FC. Brunswick, 1977. Optimum rate of application of formic acid during ensiling of un wilted alfalfa. N.Z. J. Agric. Res., 20: 151-151.

Makonia, N.F.,G.A. Broderick and R.E. Mucka, 1997. Effect of modified atmospheres on proteolysis and fermentation of ensiled alfalfa. J. Dairy Sci., 80: 912-920.
CrossRef  |  

McDonald, P., A.R. Henderson and S.J.E. Heron, 1991. The Biochemistry of Silage. 2nd Edn., Chalcombe Publications, Marlow, Bucks, UK., ISBN-13: 9780948617225, Pages: 340.

Muck, R.E. and L. Kung Jr., 1997. Effects of silage additives on ensiling. Proceedings of the National Silage Production Conference, (NSPC'97), NRAES-99, Hershey, PA., Northeast Reg. Agric. Ext. Serv., Ithaca, NY., pp: 187-199.

Muck, R.E., 1987. Dry matter level effects on alfalfa silage quality. 1. Nitrogen transformations. Trans. Am. Soc. Agric. Eng., 30: 7-14.

Nadeau, E.M., D.R. Buxton, E. Lindgren and P. Lingvall, 1996. Kinetics of cell-wall digestion of orchardgrass and alfalfa silages treated with cellulase and formic acid. J. Dairy Sci., 79: 2207-2216.
PubMed  |  Direct Link  |  

Nagel, S.A. and G.A. Broderick, 1992. Effect of formic acid or formaldehyde treatment of alfalfa silage on nutrient utilization by dairy cows. J. Dairy Sci., 75: 140-154.
PubMed  |  Direct Link  |  

Nasri, M.H.F, M.D. Mesgaran, A. Nikkhah, R. Valizadeh, E. Kebreab and J. France, 2007. Effect of raw or roasted whole soybeans on early lactational performance and ruminal and blood metabolites in Iranian cows. J. Agric. Sci., 145: 529-537.
Direct Link  |  

Ohshima, M. and P. McDonald, 1977. A review of the changes in nitrogenous compounds of herbage during ensiling. J. Sci. Food Agric., 29: 497-505.
CrossRef  |  Direct Link  |  

SAS, 1999. SAS/STAT User's Guide. Version 8.2, SAS Institute, Inc., Cary, NC, USA.

Waldo, D.R., J.E. Jr. Keys, L.W. Smith and C.H. Gordon, 1971. Effecet of formic acid on recovery, intake, digestibility and growth from on unwilted silage. J. Dairy Sci., 54: 77-84.
CrossRef  |  

Wilkins, R.J., K.J. Hutchinson, R.F. Wilson and C.E. Harris, 1971. The voluntary intake of silage by sheep. I. Interrelationships between silage composition and intake. J. Agric. Sci. (Camb.), 77: 531-537.
CrossRef  |  Direct Link  |  

Woolford, M.K. and M.K. Sawczyc, 1984. An investigation into the effect of cultures of lactic acid bacteria on fermentation in silage. 2. Use of selected strains in laboratory scale silages. Grass Forage Sci., 39: 149-158.
CrossRef  |  Direct Link  |