Molecular Nutrition

Effects of Probiotics and Compound Acidifier on Performance, Serum Biochemical and Immune Indexes and Milk Composition of Lactating Sows

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  • College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China

Received date: 2017-07-11

  Online published: 2018-02-02

Abstract

This experiment was conducted to evaluate the effects of probiotics and compound acidifier on performance, serum biochemical and immune indices and milk composition of lactating sows. The trial used a 2×2 factorial random design, the main effects were compound acidified (0 and 0.5%), probiotics (0 and 200 mL/d) and the interaction between them, respectively. Twenty-four healthy Landrace×Large White sows with good condition and similar birthday age were randomly arranged into 4 groups with 6 replicates per group, and the sows in those 6 groups were fed basal diet (control group), basal diet+200 mL/d probiotics (probiotics group), basal diet +0.5% compound acidifier (acidifier group) and basal diet+200 mL/d probiotics+0.5% compound acidifier (mixed group), respectively. The pre-experimental period lasted for 7 days, and the experimental period lasted for 21 days. The results showed follows:1) the average daily feed intake of sows, total lactation of sows, average weight of piglets at the 21st day and weaning litter weight of piglets of mixed group were significantly higher than those of control group (P<0.05). Compared with control group, the average weight of piglets at the 1st, 7th and 14st day, number of piglet alive at wean and average daily gain of piglets of addition groups had the trend of increasing, but had no significant differences (P>0.05). 2) The contents of total cholesterol, triglyceride, total protein, albumin, immunoglobulin A and immunoglobulin G in serum at the 21st day of mixed group were significantly higher than those of control group (P<0.05). The serum urea nitrogen content of addition groups was lower than that of control group, but showed no significant difference compared with each group (P>0.05). 3) The contents of milk fat in colostrum and milk and lactose in milk of addition groups were significantly higher than those of control group (P<0.05). The content of milk protein of addition groups was higher than that of control group, but showed no significant difference (P>0.05). Thus, under the conditions of this experiment, diet supplemented with probiotics and compound acidifier have the trend of improving the performance, serum biochemical and immune index trend of lactating sows, and can improve the average daily feed intake, total lactation and the contents of serum total cholesterol, triglyceride, total protein, albumin, immunoglobulin A and immunoglobulin G of lactating sows. The combination of the probiotics and compound acidifier can partially improve the milk composition.

Cite this article

WANG Jingjing, REN Hongli, DONG Jiaqi, JIN Sanjun, LI Yanfang, WU Hongzhi, DIAO Xinping . Effects of Probiotics and Compound Acidifier on Performance, Serum Biochemical and Immune Indexes and Milk Composition of Lactating Sows[J]. Chinese Journal of Animal Nutrition, 2018 , 30(2) : 685 -695 . DOI: 10.3969/j.issn.1006-267x.2018.02.034

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