The effect of replacing different levels of barley with citrus pulp in Taleshi male lambs

Document Type : Research Paper

Authors

1 Graduated M. Sc Student, Dept. of Animal Sciences, Gorgan University of Agricultural Sciences and Natural Resources

2 Associate Prof. Dept. of Animal Sciences, Gorgan University of Agricultural Sciences and Natural Resources

Abstract

This investigation was carried out in order to study the effect of replacing different levels of barley grain
with dried citrus pulp in diet of Taleshy lambs during a 84-day feeding period. Twenty-four Taleshi male lambs
were used in a completely randomized design with four treatments and six replications per treatment. Barely
grain in control group (with 50% of barley grain) was replaced with three levels of dried citrus pulp (33, 66 and
100 percent). Dry matter degradability of dried citrus pulp in situ (5% outflow rate) was 67. 4%. Based on the
results of this study, no significant differences for average daily weight gains (ADG) and feed conversion (FC)
were found among the control, 33 % and 66% replacement. In treat with %100 replacement, however, ADG and
FC were significantly lower and higher, respectively (P<0. 05). Urea concentration of blood plasma did not
differ significantly among the dietary treatments (P>0. 05) but glucose concentration was significantly (60. 28 mg/dl) lower in treat with 100% replacement (P>0. 05). Based on the results of the present study it can be suggested that replacement of barley grain with dried citrus pulp up to 66% could be economically beneficial for growing lambs.

Keywords


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