The effects of perilla seed extract on growth performance,immune function,and economic benefits of fattening pigs
The experiment aims to investigate the effects of Perilla Seed Extract(PSE)on the growth performance,immune function,and economic benefits of fattening pigs.140 Duroc fattening pigs with a weight of(65.53±2.17)kg were selected and randomly divided into 4 groups,each with 5 replicates,with 7 pigs per replicate.The CON group was fed a basic diet according to the GB/T 5915-2020 Prescription Feed for Piglets and Growing Fattening Pigs.The other three groups were added with 150 mg/kg(PSEL group),300 mg/kg(PSEM group),and 450 mg/kg(PSEH group)of perilla seed extract to the basic diet,respectively.The experiment lasted for 42 days.The results showed that:(1)Compared with the CON group,the average daily weight gain of fattening pigs in the PSEM group significantly increased by 13.45%(P＜0.05),and the feed to weight ratio significantly decreased by 12.42%(P＜0.05);The average daily weight gain of fattening pigs in the PSEH group significantly increased by 12.48%(P＜0.05),and the feed to weight ratio significantly decreased by 11.45%(P＜0.05).(2)Compared with the CON group,the serum IgA content of fattening pigs in the PSEL group was significantly increased(P＜0.05);The serum IgA and IgG contents of fattening pigs in the PSEM and PSEH groups were significantly increased(P＜0.05),and the serum IL-2 content was significantly reduced(P＜0.05).(3)The economic benefits of fattening pigs in the CON group,PSEL group,PSEM group,and PSEH group were 233.67,269.72,314.29 and 303.12 yuan,respectively.It can be seen that perilla seed extract can improve the growth performance,immune function,and economic benefits of fattening pigs.Based on comprehensive judgment,the appropriate level of perilla seed extract in the basic diet of fattening pigs is 300 mg/kg.
万方数据
维普
