《Tab.2 Effects on production performance of Hainan black pig by adding lysine in low protein diet》

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《Effects on Growth Performance and Feed Digestibility of Hainan Black Pigs by Adding Lysine in Low Protein Diet》

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Note:Different lowercase letters in the same column represent significant difference at 0.05 level；the same as below.

As shown in Tab.2，as there was no significant difference in initial weight of pigs（P>0.05），no significant differences were observed in average final weight and average daily feed intake among two experimental groups and control group after 35 d（P>0.05）.Compared to the control group，the average daily gain in experimental group I decreased significantly（P<0.05），while the feed gain ratio increased significantly（P<0.05）.However，no significant differences were observed in average daily gain and feed gain ratio between control group and experimental group II（P>0.05），indicating that increasing the lysine content in the diet could make up for the impact on growth rate of Hainan black pig caused by low crude protein diet.