Effects of alfalfa polysaccharides on growth performance,carcass traits,and meat quality of fattening pigs
This experiment aims to investigate the effects of Alfalfa Polysaccharides(APS)on the growth performance,carcass traits,and meat quality of fattening pigs.Select 120 Duroc fattening pigs with an initial weight of(65.47±2.90)kg and good health status,and randomly divide them into 4 groups,with 3 replicates in each group,with 10 pigs in each replicate.The control group of fattening pigs were fed a corn soybean meal basic diet in accordance with the"Pig Feeding Standards"(NY/T 65-2004),while the other three groups of fattening pigs were added 1000,2000,and 3000 mg/kg of alfalfa polysaccharides to the basic diet.The pre trial period is 3 days,and the trial period is 60 days.The results showed that:(1)With the increase of alfalfa polysaccharide addition level,the final weight and average daily gain of fattening pigs first increased and then decreased,and the feed to weight ratio first decreased and then increased.Compared with the control group,adding 2000 and 3000 mg/kg alfalfa polysaccharides to the basic diet significantly increased the final weight and average daily gain of fattening pigs(P＜0.05),and significantly reduced the feed to weight ratio of fattening pigs(P＜0.05).(2)Compared with the control group,adding 2000 and 3000 mg/kg alfalfa polysaccharides to the basic diet significantly increased the pre slaughter live weight and carcass weight of fattening pigs(P＜0.05).Compared with the control group,adding 1000,2000,and 3000 mg/kg alfalfa polysaccharides to the basal diet significantly reduced the backfat thickness of fattening pigs(P＜0.05).(3)There was no significant difference in various meat quality indicators among the four groups(P＞0.05).Conclusion:Alfalfa polysaccharides improved the growth performance and carcass traits of fattening pigs,but had no significant impact on meat quality.Under the conditions of this experiment,the appropriate amount of alfalfa polysaccharides added was 2000 mg/kg.
NETL
NSTL
万方数据
维普
