Document Type : Original Article
Authors
1
Dairy Department, Food Industries and Nutrition Division, National Research Centre, 33 Buhouth St. Dokki, Giza, Egypt
2
Dairy Department, Food Industries and Nutrition Division, National Research Centre, 33 Buhouth St. Dokki, Giza, Egypt.
3
Animal Production Department, Faculty of Agricultural, Ain shams University, 68 Hadayek Shoubra 11241, Cairo, Egypt.
Abstract
Abstract
Eleven experimental treatments were used by in-vitro batch culture technique to study the effect of marjoram (Origanummajorana L.) or basil (Ocimumbasilicum L.) leaves supplementation to diets on gas production, ruminal fermentation, ammonia nitrogen concentration, dry matter (DM) and cell wall contents (NDF and ADF) degradability. The basal diet consisted of a total mixed ration (TMR), the experimental treatments were used as follow: 50% CFM, 50% alfalfa hay (control), control diet plus 5, 10, 15, 20 and 25 grams of marjoram or basil leaves / kg DM for G1, G2, G3, G4, G5, G6, G7, G8, G9 and G10, respectively. No differences (p>0.05) were observed with marjoram or basil leaves supplementation in pH, DM, NDF and ADF degradability at all different levels compared with the control diet. Ammonia nitrogen and short chain fatty acid (SCFAs) concentrations revealed significant (p < 0.05) decreased for the experimental treatments compared with the control. Also, the experimental treatments recorded the lowest values (p < 0.05) in total gas production (TGP), gas production per each gram of dry matter, NDF andADF at the different levels of marjoram or basil leaves compared with control group. It could be concluded that the addition of marjoram or basil leaves to diets had a positive impact on total gas production without adverse effect on dry matter, and cell wall contents degradability.
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