Effects of Different Formulation Acidifiers on Performance, Colostrum Ingredients and Intestinal Microbial Community Structure of Lactating Sows

ZHANG Jingjing, LIU Gengshou, LI Wei, SONG Yizhen, GAO Fei

doi:10.3969/j.issn.1006-267x.2017.06.028

2017 , Vol. 29 >Issue 6: 2064 - 2070

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.06.028

Molecular Nutrition

Effects of Different Formulation Acidifiers on Performance, Colostrum Ingredients and Intestinal Microbial Community Structure of Lactating Sows

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Menon Animal Nutrition Technology Co., Ltd., Shanghai 201807, China

Received date: 2016-12-05

Online published: 2017-06-07

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Abstract

The object of this experiment was to compare the effects of two different formulation acidifiers on performance, colostrum ingredients and intestinal microbial community structure of lactating sows. Thirty 2 to 4 fetal Landrace×Large White sows which had similar body condition and expected date of delivery were randomly divided into 3 groups with 10 replicates per group, and each replicate had 1 sow. During the experimental period, the sows in 3 groups were fed a basal diet (control group), the basal diet with 0.3% adsorption type acidifier (A group) and the basal diet with 0.1% microcystic type acidifier (B group), respectively. There was a pretrial period of 7 days (seven days before parturition) followed by an experimental period of 26 days (the onset of parturition to the lactation end of sows). The results showed that the average daily feed intake during lactation of sows in A and B groups was increased by 4.9% (P>0.05) and 5.3% (P>0.05), and the average weaned weight of piglets was increased by 2.6% (P>0.05) and 7.4% (P<0.05) compared with control group, respectively. The contents of milk fat, milk protein, urea nitrogen, immunoglobulin (Ig) A and IgG in colostrum of sows in A and B groups were higher than those in control group (P>0.05), while the lactose content in colostrum was lower than that in control group (P>0.05). Compared with control group, the dietary protein digestibility of sows in B group was significantly improved (P<0.05), and the Escherichia coli count in feces of sows in A and B groups was significantly decreased (P<0.05). It is concluded that the microcystic type acidifier has a certain effect to improve the weaning weight of piglets, dietary protein digestibility and intestinal microbial community structure of lactating sows, and the adsorption type acidifier has a certain effect to improve the intestinal microbial community structure of lactating sows.

Key words： acidifier; formulation; lactating sows; performance; colostrum ingredients; intestinal microbial community structure

Cite this article

ZHANG Jingjing, LIU Gengshou, LI Wei, SONG Yizhen, GAO Fei . Effects of Different Formulation Acidifiers on Performance, Colostrum Ingredients and Intestinal Microbial Community Structure of Lactating Sows[J]. Chinese Journal of Animal Nutrition, 2017 , 29(6) : 2064 -2070 . DOI: 10.3969/j.issn.1006-267x.2017.06.028

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