Effects of Compound Supplement of Flavor Enhancer and Sweeteners Extracted from Plants on Fodder Preference, Growth Performance and Serum Biochemical Indexes of Weaned Piglets

WANG Jing; LI Fangfang; ZHANG Ruiyang; ZHU Yujing; JIANG Mingzheng; HUANG Tiejun; HE Maolong; ZHANG Yong

doi:10.3969/j.issn.1006-267x.2019.09.042

2019 , Vol. 31 >Issue 9: 4278 - 4285

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.09.042

Effects of Compound Supplement of Flavor Enhancer and Sweeteners Extracted from Plants on Fodder Preference, Growth Performance and Serum Biochemical Indexes of Weaned Piglets

WANG Jing ,
LI Fangfang ,
ZHANG Ruiyang ,
ZHU Yujing ,
JIANG Mingzheng ,
HUANG Tiejun ,
HE Maolong ,
ZHANG Yong

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1. College of Animal Sciences and Veterinary Sciences, Shenyang Agricultural University, Shenyang 110866, China;
2. Lucta(Guangzhou) Flavors Co., Ltd., Guangzhou 510730, China

Received date: 2019-02-28

Online published: 2019-09-17

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Abstract

This study was conducted to study the attractant effect of flavor enhancer (FE) and sweeteners extracted from plants (SEP) on weaned piglets. The experiment consisted of two parts:1) fodder preference experiment. Forty-eight piglets aged at 24 days of age were used in test. These piglets were randomly divided into 4 groups, each group had 4 replicates, and there were 3 piglets in each replicate. The test lasted for 5 d. The control group was fed a basal diet, and the experimental groups were fed the basal diet+0.2 g/kg FE (FE group), the basal diet+0.2 g/kg SEP (SEP group), the basal diet+0.2 g/kg saccharin sodium (SS group) and the basal diet+0.2 g/kg SEP+0.2g/kg FE (SEP+ FE group), respectively. 2) Growth experiment. A total of 200 piglets with similar body weight and from 20 sows with the same genetic background and physiological condition (10 piglets from 1 sow) were selected in this test. These piglets were randomly divided into 5 groups, each group has 4 replicates, and in each replicate there are 10 piglets. The test lasted for 35 d. The diets and groups in this part were the same as fodder preference experiment. Results showed as follows:1) the fodder preference and partial eclipse index of weaned piglets in SEP+FEA group were significantly higher than those in EF and SEP groups (P<0.05). 2) Compared with the control group, the average daily feed intake in SEP and SEP+FE groups increased significantly (P<0.05); the final body weight and average daily gain in SEP, SEP+FE and FE groups increased significantly (P<0.05); the feed/gain in SEP+FE group reduced significantly (P<0.05); the diarrhea rate in SEP, SEP+FE and FE groups reduced significantly (P<0.05); the mortality rate in SS group was significantly higher than that in other groups except SEP group (P<0.05). 3) Compared with the control group, the serum ghrelin content in FE+SEP and SEP groups increased significantly (P<0.05); the serum cortisol content and diamine oxidase activity in FE+SEP and SEP groups reduced significantly (P<0.05); serum D-lactic acid content in SEP, SEP+FE and FE groups reduced significantly (P<0.05). In conclusion, the diets added with SEP and FE can increase the average daily feed intake and average daily gain, and reduce feed/gain and diarrhea rate, and then improve the growth performance. The effects of the combination of 0.2 g/kg SEP and 0.2 g/kg FE in diets of weaned piglets are better.

Key words： weaned piglet stress; fodder preference; growth performance; serum biochemical indexes

Cite this article

WANG Jing , LI Fangfang , ZHANG Ruiyang , ZHU Yujing , JIANG Mingzheng , HUANG Tiejun , HE Maolong , ZHANG Yong . Effects of Compound Supplement of Flavor Enhancer and Sweeteners Extracted from Plants on Fodder Preference, Growth Performance and Serum Biochemical Indexes of Weaned Piglets[J]. Chinese Journal of Animal Nutrition, 2019 , 31(9) : 4278 -4285 . DOI: 10.3969/j.issn.1006-267x.2019.09.042

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