Maruyama, S.
(Gifu Prefectural Livestock Research Institute)
,
Yokoyama, I.
(Gifu Prefectural Livestock Research Institute)
,
Asai, H.
(Gifu Prefectural Livestock Research Institute)
,
Sakaguchi, S.
(Gifu Prefectural Livestock Research Institute)
,
Ohtani, T.
(Gifu Prefectural Livestock Research Institute)
,
Yokota, H.
(Laboratory of Animal Feeds and Production, University Farm, Graduate School of Bioagricultural Sciences Nagoya University)
,
Kita, K.
(Laboratory of Animal Feeds and Production, University Farm, Graduate School of Bioagricultural Sciences Nagoya University)
In high-income Asian countries like Korea and Japan, per capita rice consumption has declined because of the change in consumer' favorite foods from rice to high-cost quality foods. This has forced farmers to reduce rice production. Although fodder rice could be another option to be cultured by farm...
In high-income Asian countries like Korea and Japan, per capita rice consumption has declined because of the change in consumer' favorite foods from rice to high-cost quality foods. This has forced farmers to reduce rice production. Although fodder rice could be another option to be cultured by farmers, available information concerning rice grain silage has been limited. In the present study, therefore, the difference in the quality of fodder rice silage prepared from either whole crop or grain at different ripening stages was compared. Various supplements were also added into whole crop and grain silages of fodder rice before ensiling, and thereafter, the palatability of prepared silages was determined by beef cattle. At ear emergence stage, the pH values for both grain and whole crop silages were approximately 4.5. In both grain and whole crop silages, the pH values were significantly increased by progressing ripening stages from milk-ripe stage to yellow-ripe stages, and the increase in pH value for grain silage was faster than that for whole crop silage. In the grain silage, the higher lactic acid (LA) content in grain silage seemed to be, the lower pH value was. Both in grain and whole crop silages, pH was significantly decreased by supplementation with LA bacteria. There were no significant differences in feed intake among any treatment groups.
In high-income Asian countries like Korea and Japan, per capita rice consumption has declined because of the change in consumer' favorite foods from rice to high-cost quality foods. This has forced farmers to reduce rice production. Although fodder rice could be another option to be cultured by farmers, available information concerning rice grain silage has been limited. In the present study, therefore, the difference in the quality of fodder rice silage prepared from either whole crop or grain at different ripening stages was compared. Various supplements were also added into whole crop and grain silages of fodder rice before ensiling, and thereafter, the palatability of prepared silages was determined by beef cattle. At ear emergence stage, the pH values for both grain and whole crop silages were approximately 4.5. In both grain and whole crop silages, the pH values were significantly increased by progressing ripening stages from milk-ripe stage to yellow-ripe stages, and the increase in pH value for grain silage was faster than that for whole crop silage. In the grain silage, the higher lactic acid (LA) content in grain silage seemed to be, the lower pH value was. Both in grain and whole crop silages, pH was significantly decreased by supplementation with LA bacteria. There were no significant differences in feed intake among any treatment groups.
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대상 데이터
Nylon bags containing whole crop or rice grains were stored at room temperature. To investigate of palatability of silage, 27 female Japanese Black cattle (average BW 468 kg) reared in Gifu Prefectural Livestock Research Institute (Gifu, Japan) were used and divided evenly into 9 experimental groups of 3 cattle each. Before measuring the palatability, cattle were trained to feed silage from box trough for 1 week.
데이터처리
Statistical analyses of data were performed by one-way ANOVA to assess the effects of ripening stage (experiment 1) and treatment (experiment 2). Then, Duncan's multiple range test was performed to compare all means.
Then, Duncan's multiple range test was performed to compare all means.
Statistical analyses of data were performed by one-way ANOVA to assess the effects of ripening stage (experiment 1) and treatment (experiment 2). Then, Duncan's multiple range test was performed to compare all means. Two-way ANOVA was also performed to test main and interactive effects of ripening stage and silage material (experiment 1).
05 Duncan’s multiple range test, n=3). Two-way ANOVA was performed to test main and interactive effects of silage material and ripening stage.
이론/모형
Two-way ANOVA was also performed to test main and interactive effects of ripening stage and silage material (experiment 1). All statistical analyses were performed using the General Linear Model Procedures (SAS Institute Inc., 1990). Differences between means were considered to be significant at p<0.
The WSC concentration was determined by the anthrone reaction rate assay (Koehler, 1952). The values for pH, LA and VBN in the silage were analyzed by the methods described by Ohshima et al. (1991). The profile of various VFA was analyzed by gas-chromatograph Shimadzu GC-12A (Kyoto, Japan).
참고문헌 (21)
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