The aim of the present study was to evaluate the effect of different levels of ammonia by addition of enzyme with water on in vitro gas production parameters of sugar beet pulp. Ammoniation beet pulp and citrus pulp, containing no more than 20 percent crud protein equivalent, can be feed to beet cattle and dairy cattle in diets containing some concentrate and no more than 30-40 percent ammoniation beet pulp without adversely affecting intake or performance (Connell et al., 1944; Davis et al., 1946, 1952; Mc Call and Graham, 1953). The feeding of levels in excess of 40 percent of the diet generally results in a decrease in intake and performance (Kirk et al., 1954, 1957). There is no any information about fermentation parameters of ammoniated sugar beet pulp.

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