A Study on Dietary Corn Gluten Meal with Umami Enhancer Instead of Dried Porcine Soluble of Weaned Piglets

  • SHAN Mingwei ,
  • LI Fangfang ,
  • LI Mengliang ,
  • ZHANG Ruiyang ,
  • ZHANG Yong ,
  • ZHU Yujing
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  • College of Animal Sciences and Veterinary Sciences, Shenyang Agricultural University, Shenyang 110866, China

Received date: 2020-05-02

  Online published: 2021-01-18

Abstract

The purpose of this experiment was to study the effects of corn gluten meal with umami enhancer instead of dried porcine soluble on growth performance, apparent digestibility of nutrients and amino acids, serum hormone indexes and fecal microbial structure of weaned piglets, and to evaluate the possibility of using corn gluten meal with umami enhancer to replace dried porcine soluble. In this experiment, a 2×2 factorial design was used. The two factors were types of protein feedstuff (dried porcine soluble and corn gluten meal) and umami enhancer [addition (0.2%) and no addition]. A total of 128 Large White×Landrace weaned piglets were randomly divided into 4 groups with 4 replicates in each group and 8 piglets in each replicate. The four experimental groups were the dried porcine soluble group, dried porcine soluble+umami enhancer group, corn gluten meal group and the corn gluten meal+umami enhancer group. The experiment lasted for 21 days. The results showed as follows: 1) there was no significant difference in average daily feed intake between corn gluten meal+umami enhancer group and dried porcine soluble group (P>0.05), and the average daily gain of corn gluten meal+umami enhancer group was significantly lower than that of dried porcine soluble group (P<0.05). 2) The crude protein apparent digestibility of corn gluten meal+umami enhancer group was significantly lower than that of dried porcine soluble group (P<0.05), and the other nutrients apparent digestibilities were no significant differences compared with dried porcine soluble group (P>0.05). The apparent digestibilities of lysine, serine, valine, isoleucine and phenylalanine of corn gluten meal+umami enhancer group were significantly higher than those of corn gluten meal group (P<0.05). 3) The contents of ghrelin and insulin growth factor-Ⅰ in serum of corn gluten meal+umami enhancer group were significantly higher than those of corn gluten meal group (P<0.05), and the serum ghrelin content was no significant difference compared with dried porcine soluble group (P>0.05). 4) The indexes of ACE, Chao 1 and Shannon of corn gluten meal group were the lowest, and the Simpson index was the highest. The relative abundances of Barnesiella and Treponema of corn gluten meal group were higher than those of other 3 groups, the relative abundance of functional gene was the lowest, and the transportation and metabolism, translation, ribosome structure and transcription function of amino acids and carbohydrates in the bacteria were lower than those of other 3 groups. In conclusion, the combination of corn gluten meal with umami enhancer can improve the feed palatability, increase the nutrients digestion and absorption of weaned piglets, and improve the growth performance. Therefore, it is feasible to use corn gluten meal with umami enhancer instead of dried porcine soluble in weaned piglets, diets.

Cite this article

SHAN Mingwei , LI Fangfang , LI Mengliang , ZHANG Ruiyang , ZHANG Yong , ZHU Yujing . A Study on Dietary Corn Gluten Meal with Umami Enhancer Instead of Dried Porcine Soluble of Weaned Piglets[J]. Chinese Journal of Animal Nutrition, 2021 , 33(1) : 150 -164 . DOI: 10.3969/j.issn.1006-267x.2021.01.017

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