Effects of Fermented Biogas Residue of Wheat after Alcohol Production on Growth Performance, Serum Biochemical Parameters and Meat Quality of Growing-Finishing Pigs

XU Xiang, LI Lyumu, LI Bin, GUO Wenjie, ZHU Benguo, LI Shan, LU Chen, WEI Ailian, DING Xiaoling, XU Fazhi, CHEN Lijuan

doi:10.3969/j.issn.1006-267x.2017.03.034

2017 , Vol. 29 >Issue 3: 1003 - 1011

DOI: https://doi.org/10.3969/j.issn.1006-267x.2017.03.034

Molecular Nutrition

Effects of Fermented Biogas Residue of Wheat after Alcohol Production on Growth Performance, Serum Biochemical Parameters and Meat Quality of Growing-Finishing Pigs

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1. College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China;
2. Anhui Ruifuxiang Food Co. Ltd., Bozhou 236800, China

Received date: 2016-08-08

Online published: 2017-03-09

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Abstract

The present study was conducted to investigate the effects of fermented biogas residue of wheat after alcohol production on growth performance, serum biochemical parameters and meat quality of growing-finishing pigs. One hundred and twenty-eight "Duroc×Landrace×Yorkshire" hybrid pigs with the body weight about 40 kg were randomly allocated into four groups with four replicates per group and eight pigs per replicate by gender (males and females in half). The pigs in the control group were fed the basal diet, and those in experimental groups 1, 2 and 3 were fed the basal diet supplemented with 5%, 10% and 15% fermented biogas residue of wheat after alcohol production replacing the part of soybean meal, respectively. The pre-test lasted for 7 days, and the experiment lasted for 60 day consisting of early period from 1 to 30 days and later period from 31 to 60 days two periods. The results showed as follows:1) there were no significant differences in growth performance indices of growing-finishing pigs among all groups in early period (P>0.05). In later period, the average daily gain (ADG) in experimental groups 1, 2 and 3 was significantly higher than that in the control group and increased by 16.47%, 25.88% and 20.00%, respectively (P<0.05), and ADG in experimental group 2 was significantly higher than that in the control group (P<0.01); the average daily feed intake (ADFI) in experimental groups 1, 2 and 3 was significantly higher than that in the control group (P<0.05); and the ratio of feed to gain (F/G) had no significant difference among all groups (P>0.05). ADG in experimental groups 2 and 3 was significantly higher that than in the control group in whole period (P<0.05). 2) Dietary fermented biogas residue of wheat after alcohol production had no significant effects on the activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) and the contents of urea nitrogen (UN) and total protein (TP) in serum of growing-finishing pigs (P>0.05). 3) Dietary fermented biogas residue of wheat after alcohol production had no significant effects on pH_{1 h}, L^*, a^*, b^*, drip loss, cooking loss, shear force, hardness, elasticity, cohesion, resilience and the content of intramuscular fat in longissimus dorsi muscle of growing-finishing pigs (P>0.05). The contents of threonine (Thr), lysine (Lys), proline (Pro), non-essential amino acids and total amino acid in longissimus dorsi muscle of pigs in experimental groups 1 and 2 were significantly higher than those in the control group and experimental group 3 (P<0.05), and the content of glutamate (Glu) in experimental group 2, glycine (Gly) in exprimental group 1 and serine (Ser) and alanine (Ala) in experimental groups 1 and 2 in longissimus dorsi muscle were significantly higher than those in the control group (P<0.05). Dietary fermented biogas residue of wheat after alcohol production had no significant effects on the contents of fatty acids in longissimus dorsi muscle of growing-finishing pigs (P>0.05). The results suggest that dietary 5% and 10% fermented biogas residue of wheat after alcohol production can increase the ADG and ADFI of growing-finishing pigs and improve the contents of part of delicious amino acid to improve the meat flavor.

Key words： fermented biogas residue of wheat after alcohol production; growing-finishing pigs; growth performance; serum biochemical parameters; meat quality

Cite this article

XU Xiang, LI Lyumu, LI Bin, GUO Wenjie, ZHU Benguo, LI Shan, LU Chen, WEI Ailian, DING Xiaoling, XU Fazhi, CHEN Lijuan . Effects of Fermented Biogas Residue of Wheat after Alcohol Production on Growth Performance, Serum Biochemical Parameters and Meat Quality of Growing-Finishing Pigs[J]. Chinese Journal of Animal Nutrition, 2017 , 29(3) : 1003 -1011 . DOI: 10.3969/j.issn.1006-267x.2017.03.034

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