Effects of Fermented Corn Xiaoqu Distiller's Grains Feed on the Intestinal Microbiota of Growing-Finishing Pigs

doi:10.13560/j.cnki.biotech.bull.1985.2022-0273

Abstract

Abstract:

The aim of this study is to reveal the effects of fermented corn Xiaoqu distiller's grains feed on the intestinal microbiota of growing-finishing pigs. The fermented feed group and the control group fed a basal diet were compared on bodyweight gain and intestinal bacterial diversity and functions of growing-finishing pigs. After 47 d of feeding,no significant effects were found on bodyweight gain in growing-finishing pigs,and on meat moisture,intramuscular fat,and pH in pork（P>0.05）. The abundance of Burkholderia increased from 2.6% to 50.0% in small intestine bacteria community,as well as the abundance of Ralstonia,Herbaspirillum,Lactobacillus and Streptococcus significantly increased,while the abundance of unspecified blautia,bifidobacterial,Psychrobacter,Gemmiger,Clostridium and Macrococcus significantly decreased. KEGG analysis showed that the effect of fermented feed on the intestinal bacteria function was mainly in the relative enhancement of metabolism and the relative restriction of bacterial growth,suggesting it promote the transformation of substances in small intestine. This study provides a scientific basis for the application of fermented corn Xiaoqu distiller's grains feed in the breeding of growing-finishing pigs.

Key words: corn Xiaoqu distiller's grains, fermented feed, growing-finishing pigs, intestinal microbiota

WANG Song, JIAN Xiao-ping, PAN Wan-shu, ZHANG Yong-guang, WANG Tao, YOU Ling. Effects of Fermented Corn Xiaoqu Distiller's Grains Feed on the Intestinal Microbiota of Growing-Finishing Pigs[J]. Biotechnology Bulletin, 2022, 38(9): 248-257.

Figures/Tables 9

References 35

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项目 Item	常规饲料 Control	发酵饲料 Treatment
原料Ingredients
玉米Corn	60.00	43.00
玉米小曲酒糟Corn Xiaoqu distiller's grains	0.00	41.45
麸皮 Wheat bran	20.00	0.00
豆粕 Soybean meal	18.00	14.00
石粉 Limestone	1.00	0.50
发酵剂 Starter culture	0.00	0.05
预混料 Premix^1）	1.00	1.00
合计Total	100.00	100.00
营养水平Nutrient levels^2）
代谢能 ME/（MJ·kg^-1）	12.79	12.79
干物质 DM	88.25	88.16
粗蛋白 CP	15.00	15.83
钙 Ca	0.58	0.58
有效磷 AP	0.29	0.29
赖氨酸 Lys	0.77	0.77

项目 Item	常规饲料 Control	发酵饲料 Treatment
原料Ingredients
玉米Corn	60.00	43.00
玉米小曲酒糟Corn Xiaoqu distiller's grains	0.00	41.45
麸皮 Wheat bran	20.00	0.00
豆粕 Soybean meal	18.00	14.00
石粉 Limestone	1.00	0.50
发酵剂 Starter culture	0.00	0.05
预混料 Premix^1）	1.00	1.00
合计Total	100.00	100.00
营养水平Nutrient levels^2）
代谢能 ME/（MJ·kg^-1）	12.79	12.79
干物质 DM	88.25	88.16
粗蛋白 CP	15.00	15.83
钙 Ca	0.58	0.58
有效磷 AP	0.29	0.29
赖氨酸 Lys	0.77	0.77

项目 Item	发酵饲料 Treatment	常规饲料 Control	P 值P value
初始平均体重 Initial average weight/kg	116.5±1.6	116.6±1.8	0.742
结束平均体重 Final average weight/kg	148.0±2.1	147.8±3.5	0.659
平均日增重 Average daily gain/kg	0.670±0.022	0.662±0.030	0.444
平均日采食量 Average daily feed intake/kg	1.764±0.062	1.811±0.057	0.063
料重比 Feed/Gain	2.63±0.12^b	2.74±0.12^a	0.041
水分含量 Moisture/%	68.03±1.96	68.18±1.42	0.890
pH	5.73±0.09	5.61±0.09	0.055
肌内脂肪 Intramuscular fat /%	9.77±0.86	9.54±0.34	0.595

项目 Item	发酵饲料 Treatment	常规饲料 Control	P 值P value
初始平均体重 Initial average weight/kg	116.5±1.6	116.6±1.8	0.742
结束平均体重 Final average weight/kg	148.0±2.1	147.8±3.5	0.659
平均日增重 Average daily gain/kg	0.670±0.022	0.662±0.030	0.444
平均日采食量 Average daily feed intake/kg	1.764±0.062	1.811±0.057	0.063
料重比 Feed/Gain	2.63±0.12^b	2.74±0.12^a	0.041
水分含量 Moisture/%	68.03±1.96	68.18±1.42	0.890
pH	5.73±0.09	5.61±0.09	0.055
肌内脂肪 Intramuscular fat /%	9.77±0.86	9.54±0.34	0.595

名称 Name	结肠 Colon（Col）		小肠 Intestine（Int）
名称 Name	常规饲料Control（ctl）	发酵饲料Treatment（tmt）	常规饲料Control（ctl）	发酵饲料Treatment（tmt）
序列数 Sequence	26371	24777	33852	65815
OTUs	207	282	286	514
香浓指数 Shannon	4.55	5.19	5.99	4.66
辛普森指数 Simpson	0.90	0.90	0.96	0.81