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http://dx.doi.org/10.5333/KGFS.2019.39.4.235

Effects of Growth Performance and Carcass Characteristics by Fermented Barley Grain Feeding in Post-fattening Hanwoo Steers  

Chang, Sun-Sik (Hanwoo Research Institute, National Institute of Animal Science)
Kwon, Eun-Ki (Hanwoo Research Institute, National Institute of Animal Science)
Lee, Eun-Mi (Hanwoo Research Institute, National Institute of Animal Science)
Hwang, So-Mi (Hanwoo Research Institute, National Institute of Animal Science)
Cho, Sang-Rae (Hanwoo Research Institute, National Institute of Animal Science)
Kim, Ui-Hyoung (Hanwoo Research Institute, National Institute of Animal Science)
Chung, Ki Yong (Korea National College of Agriculture and Fisheries)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.39, no.4, 2019 , pp. 235-242 More about this Journal
Abstract
The purpose of this study was to investigate the proper feeding level and duration of fermented barley grain feed before harvesting to improve the availability of barley for feed. Trial 1 was to investigate the proper feeding amount of fermented barley grain fermented feed, and we prepared 32 heads (603.4 ± 42.7kg) of 22-month-old Hanwoo steer (603.4 ± 42.7kg) for 8 heads in 4 treatment groups. 48 heads (625.8 ± 13.1kg) for Trial 2 were used for 12heads per 4 treatments, and were reared for about 9 months until 30 months of age. Trial 1 is treated a Control group that feed 10㎏ of concentrate, replaces 10% fermented barley grain feed(FBGF) of the control by (TRT 1) and 20% (TRT 2) and 30%(TRT 3). Concentrate and FBGF fed 9, 2.1 kg, 8, 4.2 kg, 7 and 7, 6.3 kg on each treatments respectively and 1.5 kg of rice straw for forage. In Trial 2, 10% of alternative diets were judged to be appropriate, and the control of 9kg of diets and barley grain fermented feeds were used to determine the appropriate feeding period. The treatments were 3 months before shipment (TRT 1), 6 months (TRT 2) and 9 months (TRT32). Each treatment group had 8 and 2.1 kg of concentrate and barley grain fermentation, respectively. As a feed, rice straw was fed to 1.5 kg. The daily gains per treatment were higher in TRT 1 and TRT 3 was similar to the Control. Body weight and daily gain during the test period were higher in TRT 1 fed 10% barley grain fermented feed. TRT 2 was the highest at 6.13, and TRT 3 was 6.0, which was higher than 5.63 of TRT 1 and 5.5 of Control.
Keywords
Fermented barley grain; Hanwoo; Steer; Carcass characteristics;
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