Effects of Soybean Isoflavone and Astragalus Polysaccharide Mixture on Colostrum Components, Serum Antioxidant, Immune and Hormone Levels of Lactating Sows

Abstract

The objectives of this study were to investigate the effects of soybean isoflavone (SI) and astragalus polysaccharide (APS) mixture on the colostrum components, serum antioxidant, immune and hormone levels of lactating sows. A total of 72 healthy Yorkshire × Landrace lactating sows, were randomly divided into four treatments with six replicates and three lactating sows for each replicate. The control group was fed the basal diet, while the experimental groups were fed the basal diet with 100, 200 and 300 mg/kg SI and APS mixture in the form of powder, respectively. Compared with the control group, (a) the total lactation yield of the 200 mg/kg group was significantly higher (p < 0.05) at 21 days, (b) there was no significant difference in colostrum composition, (c) TG, CHO and MDA content in each treatment group were significantly decreased (p < 0.05), (d) IgA, GH, IGF-1, TNF-α and SOD contents in the 200 mg/kg group were significantly increased (p < 0.05). The SI and APS mixture could improve the average daily feed intake, lactation yield, serum antioxidant activities, immune function, and hormone levels of lactating sows, and the optimum dosage in this study was 200 mg/kg.

Soy isoflavones supplementation improves reproductive performance and serum antioxidant status of sows and the growth performance of their offspring

“…Li et al (2015) reported that feeding lactation sows with 5, 10, or 15 mg/kg isoflavone containing diet could increase serum PRL and E 2 levels and increase the contents of fat and protein in the colostrum and milk. In this study, feeding gestation sows with graded levels of ISO containing diet did not affect the serum PRL and E 2 levels and the contents of nutrient ingredients in colostrum and milk, which was affirmed by the studies of Farmer et al (2010) and Wu et al (2021). Therefore, we considered that feeding sows with 10, 20, or 40 mg/kg ISO containing diet during late‐gestation and lactation periods could not improve the growth performance of offspring through improving the quality of colostrum and milk (Farmer et al, 2016).…”

“…Cook and Stahly (1998) reported that feeding pregnant rats with ISO containing diet could promote growth and increase the muscle content of offspring. Wu et al (2021) observed the increase of average daily feed intake and the lactation yield of sows in supplementing ISO containing complexes to the diet of gestation sows. In addition, Li et al (2015) noted that feeding lactation sows with 5, 10, or 15 mg/kg ISO containing diet could improve the average daily feed intake, milk composition, and intestinal microbiota communities in sows.…”

Effect of Lycopene on the Growth Performance, Antioxidant Enzyme Activity, and Expression of Gene in the Keap1-Nrf2 Signaling Pathway of Arbor Acres Broilers

“…Growth performance is an indispensable indicator of poultry growth status under different conditions ( 21 ), and the lycopene could improve chicken performance ( 22 , 23 ). In the present study, the ADG increased, and the FCR decreased in groups treated with lycopene in the grower and whole phases, and the ADFI was quadratically affected by lycopene in the grower phase, which was consistent with Mezbani's study ( 22 ), who reported that chicken supplemented with 100 mg/kg lycopene from 21 to 42 days resulted in the increased body weight and decreased feed conversion ratio.…”

Effects of Hydroxylated Lecithin on Growth Performance, Serum Enzyme Activity, Hormone Levels Related to Lipid Metabolism and Meat Quality in Jiangnan White Goslings

“…Growth performance is an indispensable indicator of poultry growth status under different conditions ( 22 , 23 ). The utilization of unsaturated fatty acids in poultry is much higher than that of saturated fatty acids ( 24 , 25 ).…”