发酵花生壳对育肥猪生产性能、胴体性状、肉品质及经济效益的影响

doi:10.16431/j.cnki.1671-7236.2015.05.017

Abstract

Abstract: This experiment was conducted to investigate the effect of fermented peanut shell on production performance, carcass traits, meat quality and economic benefits of fattening pigs.100 fattening pigs (Duroc×Landrace×Yorkshire) with an average weight of 50 kg were randomly divided into 5 groups with 4 replicates per group and 5 pigs per replicate.The control group was fed with corn-concentrates-based feed, groups 1 to 4 were fed with the basal diets supplemented with 10% fermented peanut shell, 20% fermented peanut shell, 30% fermented peanut shell and 15% fermentation of corn stalk, respectively.The trial lasted for 66 days.The results showed that ADFI in control group, group 2 and group 3 were significantly higher than that in group 1 and group 4 (P<0.05), ADG in control group and group 3 were significantly higher than that in group 1 and group 4 (P<0.05), there was no significant difference in F/G among all groups (P>0.05).Diarrhea frequencies in groups 1 to 4 were extremely significantly lower than that in control group (P<0.01).There were no significant differences in carcass quality, slaughter rate, backfat thickness and eye muscle area among all groups (P>0.05), lean meat percentage in group 2 was significantly lower than that in control group and group 1 (P<0.05).There were no significant differences in marbling, meat color, tenderness, intramuscular fat, water loss and cooked meat percentage among all groups (P>0.05), water losses in groups 1 to 4 were lower than that in control group, but the differences were not significant (P>0.05).According to the economic benefit analysis showed that in pig from 50 to 90 kg, average profit of each pig in control group was 47.60 yuan, average profits of each pig in groups 1 to 4 were respectively 56.40, 60.40, 78.80 and 58.80 yuan, while group 3 was optimal.Based on the analysis of the above result, the fermented peanut shell had no bad effect on growth performance, carcass traits and meat quality of pigs, and it could effectively reduce the diarrhea frequency of pigs, improve the system of hydraulic of pork, when the fermented peanut shells were appropriatly applied in pigs feed, which could effectively reduce the breeding cost, and improve the economic benefit.

Key words: fermented peanut shell; fattening pigs; production performance; carcass traits; meat quality; economic benefits

CLC Number:

S828

ZHANG Wen-ke, YU De-hai, LIU Bao-yi, WANG Xiang-dong, LI Na, LI Zhao-hua, LIU Qing-yu, JIN Xin, ZHANG Shu-min. Effect of Fermented Peanut Shell on Production Performance,Carcass Traits, Meat Quality and Economic Benefits of Fattening Pigs[J]. , 2015, 42(5): 1145-1151.

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Effect of Fermented Peanut Shell on Production Performance,Carcass Traits, Meat Quality and Economic Benefits of Fattening Pigs

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