To investigate the effects of adding different levels of Huangqi stem and leaf extracts on the growth performance,nutrient apparent digestibility,and immune function of weaned piglets.Choose a healthy weight of(25±0.5)kg for the experiment"Du×long×large"120 three way hybrid piglets were randomly divided into 4 groups,with 3 replicates in each group and 10 pigs in each replicates group"Du×long×large"three way hybrid piglets were fed with 0(group 1),1.0%(group 2),1.5%(group 3),and 2.0%(group 4)Huangqi stem and leaf extracts in the basic diet.The preliminary experiment was conducted for 10 days,and the entire experimental period was 56 days.The results showed that:(1)The average daily gain of Group 3 and Group 4 was significantly increased by 11.6%and 10.1%(P＜0.05)compared to Group 1,respectively,and their material weight was significantly reduced by 9.4%and 7.0%(P＜0.05)compared to Group 1;(2)The apparent digestibility of crude protein,crude fat,and crude fiber in feces of groups 3 and 4 was significantly increased by 10.9%,10.8%,10.8%,11.2%,16.5%,and 15.9%compared to group 1,respectively(P＜0.05);(3)The levels of IgA,IgG,and IL-2 in the serum of groups 3 and 4 were 10.8%,11.7%,12.0%,13.7%,22.9%,and 25.1%higher than those of group 1,respectively(P-α Compared with group 1,the content decreased by 20.8%and 22.1%respectively(P＜0.05).In summary,the addition of 1.5%Huangqi stem and leaf extract can improve the"Du×long×large"the growth performance,nutrient apparent digestibility,and immune function of large binary hybrid piglets.
huangqi stem and leaf extractpigletsgrowth performanceapparent nutrient digestibilityimmune
NETL
NSTL
万方数据
