Effects of Dietary Fructo-Oligosaccharides on Performance, Serum Indexes and Fecal pH, Microbial Population and Volatile Fatty Acid Contents in Primiparous Sows

LI Mengyun, ZHU Kuanyou, LIU Yanhe, ZHANG Xiaogen, HU Yingli

doi:10.3969/j.issn.1006-267x.2015.02.022

2015 , Vol. 27 >Issue 2: 510 - 516

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.02.022

Feed Science and Technology

Effects of Dietary Fructo-Oligosaccharides on Performance, Serum Indexes and Fecal pH, Microbial Population and Volatile Fatty Acid Contents in Primiparous Sows

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1. Henan Institute of Animal Husbandry Economy, Zhengzhou 450011, China;
2. Zhengzhou Key Laboratory of Feed Resources Exploitation, Zhengzhou 450011, China

Received date: 2014-08-08

Online published: 2015-02-09

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Abstract

This experiment was conducted to investigate the effects of dietary fructo-oligosaccharides (FOS) on performance, serum indexes and fecal pH, microbial population and volatile fatty acid contents in primiparous sows. Thirty healthy 80 days of pregnancy primiparous sows with the similarly body weight were randomly divided into control group and FOS group with 5 replicates per group and 3 sows per replicate. The control group sows were fed with basal diet, while FOS group diet supplemented with 0.3% FOS from 85 d of gestation until the end of 17-day lactation. The results showed as follows: sow diet supplemented with 0.3% FOS at late pregnancy, 1) significantly increased feed intake throughout late gestation and lactation of sows (P<0.05), and significantly increased the rate of healthy pigs, weaning weight and average daily gain of piglets (P<0.01), increased the, but there was not significant difference(P>0.05), and had no significant effect on birth process time, total litter size, number born alive, rate of live pigs and birth weight (P>0.05); 2) significantly increased serum total protein, globulin content and the ratio of globulin to albumin of sows (P<0.05), but had no significant effect on serum albumin, glucose, urea nitrogen, iron, copper and zinc contents (P>0.05); significantly increased serum copper and iron contents of piglets (P<0.05); 3) significantly reduced fecal pH and Escherichia coli population (P<0.05), significantly increased fecal acetate, propionate and butyrate contents of sows (P<0.05). These results suggestes that 0.3% FOS in sows diets at late pregnancy can increase fecal volatile fatty acid contents, reduce pH and regulate fecal microbial populations, and improve performance of sows and piglets.

Key words： sows; fructo-oligosaccharides; performance; serum indexes; microbial populations; volatile fatty acids

Cite this article

LI Mengyun, ZHU Kuanyou, LIU Yanhe, ZHANG Xiaogen, HU Yingli . Effects of Dietary Fructo-Oligosaccharides on Performance, Serum Indexes and Fecal pH, Microbial Population and Volatile Fatty Acid Contents in Primiparous Sows[J]. Chinese Journal of Animal Nutrition, 2015 , 27(2) : 510 -516 . DOI: 10.3969/j.issn.1006-267x.2015.02.022

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