Effect of guar meal and Hemicell enzyme on performance and carcass characteristics in broiler chicks

Document Type : Research Paper

Authors

1 Department of Animal Science, College of Agriculture, Sari vocational University, Sari, Iran

2 Department of Animal Science, College of Animal Science and Fisheries, Agricultural Science and Natural Resources University, Sari, Iran

3 Research and Development Unit, Zarbal Co., Amol, Iran

Abstract

This experiment was conducted to investigate effects of different levels of guar meal (0, 5, and 10 %) andHemicell enzyme (0 and 0.05 %) on performance and carcass characteristics in broiler chickens during grower and finisher periods in 2×3 factorial arrangement with a randomized complete block design. 360 Ross male broiler chicks with 6 treatments, 4 replicates and 15 chicks in each experimental unit in 4 blocks werereared for 42 days.During the experiment, feed intake, weight gain and feed conversion ratio were measured. To evaluate carcass components at 42 d, four birds from each treatment were selected and weights of carcass, thighs, breast, abdominal fat, liver, spleen and pancreas were determined as percentages. Results of this study indicated, using of guar meal up to 5% in the diet had no significant effect on performance and carcass components, but using of guar meal up to 10 % without enzyme in the diet compared to the control were decreased feed intake (4098.21 vs. 4346.07 g), weight gain (1822.75 vs. 2092.83 g), and increased feed conversion ratio (2.26 vs. 2.08) in total period of rearing (P<0.05). Adding of enzyme to the diet containing 10% guar meal improves feed intake and feed conversion ratio, but had no effect on weight gain (P<0.05). using of guar meal up to 10 % without Hemicell enzymein the diet compared to the control were significantly reduced carcass (70.32 vs. 71.50) and breast (32.93 vs. 33.60) Percentages (P<0.05). In general,the results of thisexperimentshowed that use of up to 5% guar meal without the use of Hemicell enzyme or up to 10 % guar meal with Hemicell enzyme in diets broiler had no adverse effect on performance and carcass components.

Keywords

References

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