Molecular Nutrition

Effects of Lactobacillus delbrueckii on Performance, Carcass Traits and Meat Quality of Ningxiang Pigs

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  • 1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Hunan Co-Innovation Center of Animal Production Safety, Changsha 410128, China

Received date: 2017-05-25

  Online published: 2017-12-04

Abstract

This experiment was conducted to study the effects of Lactobacillus delbrueckii on performance, carcass trait and meat quality of Ningxiang pigs. Forty eight Ningxiang pigs with an average body weight of (33.28±1.15) kg were randomly distributed into 2 groups with 4 pens of replicates per group and 6 pigs per pen of replicate. Pigs in control group were fed a basal diet without antibiotics, while others in experimental group were fed the basal diet supplemented with 0.2% Lactobacillus delbrueckii. Pigs were fed for two stages, which were 30 to 70 kg and 71 to 100 kg. The experiment period lasted for 120 days. The results showed as follows:in the aspects of performance, compared with control group, final weight and average daily gain of pigs in experimental group were increased at two stages, and the ratio of feed to gain was decreased, but the changes were not significant (P>0.05); in terms of carcass trait, improvement was found, but no significant differences were found in indexes between groups (P>0.05); in terms of meat quality, compared with control group, 45 minutes after slaughter, yellowness value of experimental group was significantly decreased (P<0.05), and 24 hours after slaughter, lightness value and water loss rate of experimental group were significantly increased (P<0.05), there were no significant differences in the other indexes between groups (P>0.05). In conclusion, the addition of 0.2% Lactobacillus delbruamii in diets for Ningxiang pigs can improve performance, carcass traits and meat quality.

Cite this article

WEI Liangkai, LI Rui, LIU Ming, WANG Houjun, HOU Shuling, HOU Gaifeng, HUANG Xingguo . Effects of Lactobacillus delbrueckii on Performance, Carcass Traits and Meat Quality of Ningxiang Pigs[J]. Chinese Journal of Animal Nutrition, 2017 , 29(12) : 4562 -4569 . DOI: 10.3969/j.issn.1006-267x.2017.12.038

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