This study was conducted to investigate the effects of Tremella fuciformis Berk spore fermentation (TSF) and probiotic on growth performance and meat quality of growing-finishing pigs in different stages. Twenty-four castrated Duroc×Taihu pigs with an average body weight of (10.35±0.28) kg were randomly allocated into 4 groups according to body weights, namely control group (basal diet), antibiotic group(basal diet +0.15 g/kg oxytetracycline＋1.5 g/kg colistin sulphate), TSF group (basal diet+4 g/kg TSF) and probiotic group (basal diet+0.2 g/kg probiotic), and each group had 6 replicates with 1 pig per replicate. Results showed as follows:during 10 to 20 kg phase, there was no significant difference in growth performance among TSF, probiotic and antibiotic groups (P>0.05). But compared with the control group, TSF significantly improved the average daily gain (ADG) and average daily feed intake (ADFI) (P<0.05); during 21 to 50 kg phase, the effects of TSF were progressively enhanced, and the ADG and ADFI in TSF group had the trend to be above the probiotic and antibiotic groups (P>0.05); during the phase after 50 kg, the ADG in TSF group was significantly higher than that in probiotic group (P<0.05), whereas compared with antibiotics group, probiotic group had a significant improvement (P<0.05). Serum insulin-like growth factor -Ⅰ (IGF-Ⅰ) content in TSF group had no significant difference compared with probiotic group at the weight of 20 kg (P>0.05), but compared with antibiotic group and control group, that had a significant improvement (P<0.05); at the weight of 110 kg, serum IGF-Ⅰ content in TSF group was higher than that in probiotic group (P<0.05). The variation of serum immunoglobulin G (IgG) and immunoglobulin M (IgM) contents were similar to IGF-Ⅰ. Compared with antibiotic group, both TSF group and probiotic group could significantly increased the quantity of Bifidobacterium and Lactobacilli(P＜0.05). Compared with probiotic, TSF had the trend to increase the loin eye area and intramuscular fat content, and decrease the shear force as well as drip loss (P>0.05). In conclusion, during the phase before 20 kg, there is no significant difference in the effects of growth performance among the TSF, probiotic and antibiotic, however, the effects of TSF is enhanced when weight is above 20 kg, and that of TSF is significantly higher than that of probiotic after 50 kg;the improvement of growth performance is related with the increase of IGF-Ⅰ, IgG and IgM contents in serum, as well as the improvement of intestinal flora, what's more, TSF is more effective to improve the meat quality than probiotic and antibiotic.
DING Wenqiang
,
JIA Gang
,
WANG Kangning
. Effects of Tremella fuciformis Berk Spore Fermentation and Probiotic on Growth Performance and Meat Quality of Growing-Finishing Pigs[J]. Chinese Journal of Animal Nutrition, 2012
, 24(10)
: 1912
-1919
.
DOI: 10.3969/j.issn.1006-267x.2012.10.010
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