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the aim of this study was to evaluate the effect of two commercial enzyme products on milk production in Egyptian buffaloes. twenty-one lactating buffaloes (570±15 kg bw) were divided into three groups (n=7) in a randomized block design for four months. buffaloes were fed a total mixed ration containing 60% forage [rice straw and berseem hay (Trifolium alexandrinum)] and 40% concentrates with either no enzymes added (control) or an addition of 40 g of veta-zyme plus ® (vEt) or 40 g of tomoko ® (tom) enzyme product per day for each buffalo. Enzyme addition did not affect feed intake (p>0.05), but increased the digestibility of nutrients (p<0.05) and serum glucose concentration (p=0.011). furthermore, the addition of vEt increased milk (p=0.017) and fat corrected milk (p=0.021) yields, fat content (p=0.045), total unsaturated fatty acid (p=0.045) and total conjugated linoleic acid (p=0.031) contents in milk and decreased the content of total saturated fatty acids (p=0.046), while the addition of tom increased milk total protein (p=0.023) and true protein (p=0.031) contents. the two enzyme products both resulted in higher concentrations of lysine (p=0.045) and total essential amino acids (p=0.036) in milk. it was concluded that addition of commercial fibrolytic enzyme products (i.e. Veta-Zyme Plus ® and tomoko ® ) to the diet of early lactating buffaloes enhanced nutrient digestibility and milk production and quality.

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