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This experiment was carried out to study the effect of using 10 and 20% date stone meal in the diet without or with adding Allzyme ® SSF (enzyme product contains: Phytase, Beta-glucanase, Celluase, Pectinase, Phytase, Fungal Protease and Xylanase) at a level 0.02 % (w/w) on growth performance and carcass traits of growing rabbits. Forty-five New Zealand White weaned rabbits, 42 days age, and 755g average body weight, were divided into 5 groups with three replicates (3 for each) in a growth trail lasted for 8-weeks. Each group was randomly fed one of the experimental pelleted diets which were, control diet (T1) without date stone meal, 10% date stone meal either without Allzyme ® SSF (T2) or with 0.02% (w/w) Allzyme ® SSF addition (T3) or 20% date stone meal either without Allzyme ® SSF (T4) or with 0.02% (w/w) Allzyme ® SSF (T5). The experimental diets were formulated to be approximately iso-nitrogenous (~17% CP) and isocaloric (~2700 Kcal ME /Kg diet). Using date stone meal at level 10 or 20 % of the diet either without or with adding Allzyme ® SSF insignificantly worsen feed conversion compared to the control group. While average body weight gain and feed intake significantly (P>0.05) decreased with rabbits groups fed T4 or T5 compared to the control group. Using date stone meal at level of 10 or 20 % with adding Allzyme ® SSF, slightly improved digestibility coefficients of dry matter, crude fiber, ether extract and NFE compared to the other tested experimental groups. There were insignificant differences in both dressing%, giblets% and meat protein content among different experimental groups. The lowest moisture and ether extract content in meat carcass achieved with rabbits group fed T4. In general, the results indicate that date stone meal can be incorporated in rabbit diets up to 20% without adverse rabbit performance and up to 10% with adding Allzyme ® SSF to achieve good economical efficiency comparable to control group.

EFFECT OF FEEDING DATE STONE MEAL SUPPLEMENTED WITH ALLZYME® ON PERFORMANCE OF GROWING NEW ZEALAND RABBITS