[Objective]The paper was to study the effects of amino acid or Fulibao nutritional additives on slaughter performance and pork quality of pigs,and to provide a theoretical basis for improving pork quality in pig breed...[Objective]The paper was to study the effects of amino acid or Fulibao nutritional additives on slaughter performance and pork quality of pigs,and to provide a theoretical basis for improving pork quality in pig breeding industry.[Method]Six Landrace×Yorkshire castrated male piglets were divided into three groups.The piglets in the first group were fed with conventional diet and used as the control.The piglets in the experimental group I were fed with the conventional diet supplementing 0.1%Fulibao,and those in the experimental group II were fed with the conventional diet supplementing 0.36%compound amino acid preparation.The piglets were reared for 2 months before being slaughtered.[Result]The average daily gains of piglets in the experimental groups I and II were 17.7%and 6.73%higher than that in the control group,but there was no difference in feed/gain ratio among the three groups.The dressing percentages of piglets in the experimental groups I and II were 2.7%and 1.72%higher than that in the control group,and the lean meat percentages were 3.5%and 7.97%higher than that in the control group,respectively.The meat fat ratios in the two experimental groups were significantly higher than that in the control group.The intermuscular fat in the experimental group II was significantly higher than that in the control group.However,the contents of intermuscular fat and inosinic acid in the experimental group II were significantly lower than those in the control group.[Conclusion]Both additives can improve the average daily gain and main slaughter performance of pigs,but can not improve the inosine acid content,and the compound amino acid preparation can not improve the intermuscular fat content.展开更多
文摘[Objective]The paper was to study the effects of amino acid or Fulibao nutritional additives on slaughter performance and pork quality of pigs,and to provide a theoretical basis for improving pork quality in pig breeding industry.[Method]Six Landrace×Yorkshire castrated male piglets were divided into three groups.The piglets in the first group were fed with conventional diet and used as the control.The piglets in the experimental group I were fed with the conventional diet supplementing 0.1%Fulibao,and those in the experimental group II were fed with the conventional diet supplementing 0.36%compound amino acid preparation.The piglets were reared for 2 months before being slaughtered.[Result]The average daily gains of piglets in the experimental groups I and II were 17.7%and 6.73%higher than that in the control group,but there was no difference in feed/gain ratio among the three groups.The dressing percentages of piglets in the experimental groups I and II were 2.7%and 1.72%higher than that in the control group,and the lean meat percentages were 3.5%and 7.97%higher than that in the control group,respectively.The meat fat ratios in the two experimental groups were significantly higher than that in the control group.The intermuscular fat in the experimental group II was significantly higher than that in the control group.However,the contents of intermuscular fat and inosinic acid in the experimental group II were significantly lower than those in the control group.[Conclusion]Both additives can improve the average daily gain and main slaughter performance of pigs,but can not improve the inosine acid content,and the compound amino acid preparation can not improve the intermuscular fat content.
