EI-Deeb,, M., Mehrez, A., EI-Shabrawy, H. (2005). EFFECT OF PRYING AND DlFFERGNT IVIETHOOS OF ENSILING ON THE FEEDING VALUE OF ALFALF-A. Journal of Animal and Poultry Production, 30(12), 7507-7519. doi: 10.21608/jappmu.2005.238459
M. M. EI-Deeb,; A. Z. Mehrez; H. M. EI-Shabrawy. "EFFECT OF PRYING AND DlFFERGNT IVIETHOOS OF ENSILING ON THE FEEDING VALUE OF ALFALF-A". Journal of Animal and Poultry Production, 30, 12, 2005, 7507-7519. doi: 10.21608/jappmu.2005.238459
EI-Deeb,, M., Mehrez, A., EI-Shabrawy, H. (2005). 'EFFECT OF PRYING AND DlFFERGNT IVIETHOOS OF ENSILING ON THE FEEDING VALUE OF ALFALF-A', Journal of Animal and Poultry Production, 30(12), pp. 7507-7519. doi: 10.21608/jappmu.2005.238459
EI-Deeb,, M., Mehrez, A., EI-Shabrawy, H. EFFECT OF PRYING AND DlFFERGNT IVIETHOOS OF ENSILING ON THE FEEDING VALUE OF ALFALF-A. Journal of Animal and Poultry Production, 2005; 30(12): 7507-7519. doi: 10.21608/jappmu.2005.238459
EFFECT OF PRYING AND DlFFERGNT IVIETHOOS OF ENSILING ON THE FEEDING VALUE OF ALFALF-A
1Animal Production Research Institute, Agrieultur~1 Research center., Ministry of Agric.ulture, Dol<ki, Giza, Eg¥pt.
2Animal Production Department, Faculty of Agriculture, Mallsoura University, Man$Qura, E~YPt.
Abstract
Third and fourth cuts of alfalfa forage were conserved as green, hay or ensiled either untreated or treated with 0.31 9 HCHOJ100g OM or 2.8 g formic acid/100 g OM
and fed to Zaraibi buks weigh~q 50 kg on average. .
The obtained results indicated that treated silages either with HCHO or HCOOH contained higher values of OM, EE, NFE and NSC than those of green and hay altalfa forms. The treated ensiled qlfalfa contained higher values of OM, CP, EE and NSC, while it contained lower values of NFE, ash and NDF compared to the untreated silage. Treaded alfalfa silages tended to have higher desirable fermentation represented in low pH, butyric acid and higher lactic acid content compared to the untreated silage. Protein solubility decreased with the reduction of NPN and NH3 in the treated silages 11S well.
Feed intake in terms of OM, TON and DOM significantly (P<0.05) improved in the ensiled forage compared to the green and hey ones. The relative feeding value (RFV) and both of digestible energy (DE) and metabolizable energy (ME) of ensiled alfalfa increased than those of green and hey alfalfa. This accompanied with a reduction in effective neutral detergent fiber (eNDF) values, specially with increased NSC content of HCOOH-treated silages. The alfalfa silages diets contained the highest (P<0.05) values of digestibility coefficients for all nutrients, except for EE in green alfalfa which recorded the highest but without significant difference with HCOOH-treated silage.
Rumen liquor pH and total VFA recorded the highest (P<0.05) values with green alfalfa diet and significantly decreased with HCOOH and HCHO-treaded diets. The NH3-N concentration was impaired (P<O.05) with untreated silage and the lowest with alfalfa hey. All animals were in positive N-balance and percentage of N-balance to N-intake or digested were the heights (P<O.05) with HCHO- and HCOOH-treated silages.
It could be concluded the formaldehyde treatment for alfalfa silage is more effective in reducing its NDF content and increasing its NSC content which reflected positively on fermentation in the rumen and improving feed utilization compared to the other tested forms of alfalfa.
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