[Sjofjan et. al., Vol.6 (Iss.11): November 2019] ISSN: 2454-1907 DOI: https://doi.org/10.29121/ijetmr.v6.i11.2019.458 Http://www.ijetmr.com©International Journal of Engineering Technologies and Management Research [1] THE UTILIZATION OF BAY LEAF (SyzygiumpolyanthumWalp) FLOUR IN FEED ON CARCASS QUALITY, MICROFLORA INSTESTINE OF BROILER Sjofjan O. *1 , Adli D.N. 1 , Hanani P.K. 1 , Sulistiyaningrum D. 1 *1 Faculty of Animal Science, University of Brawijaya, Indonesia Abstract: The research purpose was to determine the utilization of bay meal (SyzygiumpolyanthumWalp) microflora, and carcass quality of broiler. The research method was used completely randomized design with 5 treatments and 4 replicates. The materials used for this research were 80 unsex 15 days old with average body weight 307.725±22.17 g/head. The treatments used for research were dietary with T0 (basal feed), T1 (basal feed + 1% bay leaf meal), T2 (basal feed + 2% bay leaf meal), T3 (basal feed + 3% bay leaf meal), T4 (basal feed + 4% bay leaf meal). The parameters observed were intestinal characteristic bacteria (lactic acid bacteria, Escherichia coli, and Salmonella sp.) and (carcass percentage, abdominal fat, organ visceral weight, breast meat cholesterol). The data analysis was the analysis of variance (anova) and continued by Duncan Multiple Range Test. The results showed that using bay leaf effect as in feed has significant difference (P<0.05) on lactic acid bacteria and Escherichia coli and significantly different (P<0.01) (breast meat cholesterol) but didn’t significant difference (P>0.05) on carcass percentage, abdominal fat and organ visceral weight. The addition of 4% bay leaf gave the best effect on microflora, and breast cholesterol quality of broiler. Keywords: Bay Leaf; Broiler; Carcass; Microflora. Cite This Article: Sjofjan O., Adli D.N., Hanani P.K., and Sulistiyaningrum D.. (2019). “THE UTILIZATION OF BAY LEAF (SyzygiumpolyanthumWalp) FLOUR IN FEED ON CARCASS QUALITY, MICROFLORA INSTESTINE OF BROILER.” International Journal of Engineering Technologies and Management Research, 6(11), 1-9. 1. Introduction Broiler play an important role in supporting the availability of cheap animal protein sources that are easy to obtain in Indonesia. Generally, broiler rising with the selecting breed, and regularly feed that affected to the profitable. The productivity of broiler is depend on the feed consumption, body weight, and feed conversion Natsir et al., (2012). Feed cost contributes 60-80% of production cost in a common broiler farm. Effort to improve feed efficiency in order to reduce feed cost should be achieved by the used of feed additive Natsir et al., (2013). Nowadays, proportion of feed removed in feed antibiotic growth promoters (AGPs) following pressure from the antibiotics. According to the problem the used of bayleaf as phytobiotics could be used to serve as feed additives in according to the suitability and preference, lower cost of production, reduced risk of toxicity, minimum health hazards and environment friendliness. One of the feed additives currently under investigation is bay leaf (SyzygiumpolyanthumWalp).