The concentration of BUN linearly decreased (P< 0.05) when pigs were fed diets containing increasing levels of FFRB or DFRB.
随着仔猪日粮中全脂米糠和脱脂米糠的添加水平越来越高BUN的浓度线性降低（P < 0.05）。
This results in an increasing concentration of insecticide in organisms at the higher trophic levels.
这就导致在更高营养级上的有机体中，农药的浓度增加。
This results in a rapid increase of testosterone concentration levels in the body, thereby immediately increasing libido.
因而人体睾酮含量水平能够快速提高，进而快速提高力比多。
The concentration of ammonia-n enhanced according to the increasing of copper levels in N1S1 treatment group(P< 0.05), and the other two groups were not affected by copper levels(P > 0.05);
氨氮浓度N1S1组随铜水平的提高而升高（P<0.05），其它两组随铜水平的提高，氨氮浓度升高不显著（P>0.05）；
The concentration of ammonia-n enhanced according to the increasing of copper levels in N1S1 treatment group(P< 0.05), and the other two groups were not affected by copper levels(P > 0.05);
氨氮浓度N1S1组随铜水平的提高而升高（P<0.05），其它两组随铜水平的提高，氨氮浓度升高不显著（P>0.05）；
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