Effects of compound Chinese herbal medicine on reproductive performance of sows and growth performance of piglets
The experiment aimed to investigate the effects of a compound Chinese herbal medicine on the reproductive performance of sows and the growth performance of piglets.A total of 60 sows in their 2nd to 3rd parity were randomly divided into four groups,with three replicates per group and five sows per replicate.The sows were fed experimental diets supplemented with 0,0.1％,0.2％,and 0.4％of the compound Chinese herbal medicine.The preliminary trial period was seven days,and the formal experimental period lasted from 14 days before farrowing to 21 days after farrowing.The results showed that compared with the control group,the sows in the Chinese herbal medicine group 2 and Chinese herbal medicine group 3 had increased weaning backfat thickness(P＜0.05),reduced backfat loss,and decreased estrus interval(P＜0.05).The constipation rate and farrowing duration were reduced in all groups of sows fed with Chinese herbal medicine(P＜0.05).Compared with the control group,the healthy litter number of sows in Chinese herbal medicine group 2 and Chinese herbal medicine group 3 was increased(P＜0.05),the stillbirth number of sows was decreased(P＜0.05),and the weak litter number of sows in all Chinese herbal medicine groups was decreased(P＜0.05).Compared with the control group,the litter weight at birth of piglets in Chinese herbal medicine group 2 and Chinese herbal medicine group 3 was increased(P＜0.05),the weaning weight,average daily gain and survival rate of piglets were increased(P＜0.05),and the diarrhea rate and incidence of piglets in all Chinese herbal medicine groups were decreased(P＜0.05).The results show that dietary supplementation of Chinese herbal preparations can reduce the constipation rate of sows,shorten the estrus interval,improve the litter performance of sows,improve the growth performance of piglets,reduce the morbidity of piglets and increase the survival rate of piglets.The appropriate supplemental level of Chinese herbal preparations is 0.2％.
compound Chinese herbal medicinesowpigletreproductive performancegrowth performance
万方数据
维普
