Document Type : Research Paper

Authors

1 Department of Animal Science, School of Agriculture, Lorestan University

2 Assistant Professor, Animal Science Research Department, Khuzestan Agricultural and Natural Resources Research and Education Center, AREEO, Ahvaz

3 Professor, Animal Science Research Institute, Agriculture, Education and Extension Organization, Karaj

4 Scientific board of Animal Science department - Agriculture and Natural Resources Research and Education Center of Khuzestan

Abstract

The aim of present study was to investigate the effects of processed broiler litter (PBL) levels at 0, 8, 16 and 24% at the expense of dietary forage (i.e., alfalfa and wheat straw at 65 and 35 percent, respectively) on apparent nutrients digestibility, ruminal parameters and blood metabolites in Moghani male sheep. The broiler litter was processed at 75-85 oC for 20 min in the special hot tanks. Sixteen Moghani male sheep were allocated into four experimental diet groups with four animals in each diet in a completely randomized design. Results showed that sheep fed diet containing 16% PBL linearly increased (p < 0.05) digestibility of dry matter (DM), organic matter (OM), CP and ash-free neutral detergent fiber (NDFom). Increasing the level of PBL in the diet linearly tended to decrease (P=0.07) ruminal pH, but increased (p < 0.05) ammonia nitrogen concentration. Blood urea nitrogen (BUN) increased with increasing PBL level in the diet (p < 0.05). Overall, results of this study indicated that substituting PBL up to 16% of forage diet improved nutrients digestibility, ammonia nitrogen concentration and BUN of Moghani male sheep.

Keywords

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