中链脂肪酸抗菌和诱导防御肽表达的功能及其在仔猪饲料中的应用
喻正旺,周忠新

Functions of Antibacterial and Inducing Defense Peptide Expression of Medium-Chain Fatty Acid and Its Application in Piglet Feeds
YU ZhengWang,ZHOU ZhongXin
表1 基础仔猪日粮中添加一定浓度的中链脂肪酸对仔猪生产性能、营养物质表观消化率、肠道微生物及结构和仔猪死亡率的影响
Table 1 Effects of the addition of a certain concentration of medium chain fatty acids to the basal piglet diet on piglet performance, nutrient apparent digestibility, intestinal microbe and structure, and piglet mortality
添加浓度和形式
Concentration and form
生长性能
Growth performance
营养物质表观消化率
The apparent digestibility of nutrients
肠道菌群及结构
Intestinal flora and structure
仔猪死亡率
Piglet mortality
参考文献
References
8%中链脂肪酸(60%辛酸 + 40%葵酸)
8% MCFA (60% Caprylic acid + 40% Decanoic acid)
饲料转化效率升高
Feed conversion efficiency decreased
能量和氨基酸消化率提高(P>0.05)
The digestibility of energy and amino was improved. (P >0.05)
—— —— [84]
0.2%中链脂肪酸(辛酸或葵酸或辛酸 +葵酸)
0.2% MCFA (Caprylic acid or Decanoic acid or Caprylic acid + Decanoic acid)
平均日增重显著增加(P<0.01);饲料转化效率提高(P>0.05)
The ADG was increased significantly (P<0.01) and the FCR was improved (P>0.05)
粗蛋白(P<0.0.1)和粗纤维(P<0.05)消化率显著提高
The digestibility of crude protein and crude fiber increased significantly. Crude protein (P<0.0.1); Crude fiber (P<0.05)
产气荚膜梭菌的数量显著降低(P<0.01);绒毛高度和隐窝深度增加,葵酸组达到显著(P<0.01)
The number of clostridium perfringens was decreased significantly (P<0.01). The height of villi and the depth of crypt was increased, the Decanoic acid group reached a significant level
死亡率下降8.2%-11.3%
Mortality was reduced by 9.1% to 18.7%
[80]
0.1%微囊化的桉树中链脂肪酸(桉树油+ 辛酸+ 葵酸)
0.1% E-MCFA (Eucalyptus oil + Caprylic acid + Decanoic acid)
平均日增重和平均日采食量显著增加(P<0.05)
ADG and ADFI were significantly increased (P<0.05)
蛋白质、钙、磷和氨基酸的消化率显著增加(P<0.05)
The digestibility of protein, calcium, phosphorus and amino acids was increased significantly (P<0.05)
—— —— [81]
0.2%中链脂肪酸(辛酸或葵酸)+ 0.5%酸化剂(甲酸+丙酸)
0.2% MCFA (Caprylic acid or Decanoic acid) + 0.5% acidifier (Formic acid + Propionic acid)
体重和平均日增重显著增加(P<0.05);饲料转化效率升高,在35-56d差异显著(P<0.5)
The BW and the ADG were increased significantly. (P<0.05) FCR increased, and the difference was significant from 35 to 56d (P<0.5)
蛋白质、脂肪和粗纤维的消化率显著提高(P<0.05)
The digestibility of protein, fat and crude fiber was significantly improved (P<0.05)
产气荚膜梭菌数量降低;绒毛高度显著增加(P<0.05)
The number of clostridium perfringens and the height of villi were significantly increased (P <0.05)
—— [82]
0.2%中链脂肪酸(辛酸或葵酸)+ 0.5%酸化剂(甲酸+丙酸)
0.2% MCFA(Caprylic acid or Decanoic acid) + 0.5% acidifier (Formic acid + Propionic acid)
体重和平均日增重显著增加(P< 0.05);饲料转化效率升高,在35-56d差异显著(P<0.5)
The BW and the ADG were increased significantly. (P<0.05) FCR increased, and the difference was significant from 35 to 56d (P<0.5).
蛋白质、脂肪和粗纤维的消化率显著提高(P<0.05)
The digestibility of protein, fat and crude fiber was significantly improved (P<0.05)
产气荚膜梭菌数量降低;绒毛高度显著增加(P<0.05)
The number of clostridium perfringens and the height of villi were significantly increased. (P<0.05)

——
[82]
0.3%混合物(MCFA +甲酸钙+乳酸钙+柠檬酸)
0.3% mixture (MCFA + Calcium formate +Calcium lactate + Citric acid)
平均日采食量显著增加(P<0.05);平均日增重,饲料转化效率增加(P>0.05)
The ADFI was increased significantly (P<0.05), the ADG and the FCR were increased. (P>0.05).
氨基酸利用率显著提高(P<0.01)
The amino acid utilization rate was improved significantly (P<0.01)
直肠和回肠中乳酸杆菌的数量显著增加(P<0.05)
The number of lactobacillus in the rectum and ileum significantly increased (P<0.05)
—— [83]
0.2%MCFA(己酸+辛酸+葵酸+月桂酸)+0.01%粪肠球菌
0.2%MCFA (Caproic acid + Octanoic acid + Decanoic acid + Lauric acid) + 0.01% Enterococcus faecalis
平均日增重和饲料转化效率显著提高(P<0.05)。
The ADG and FCR were significantly improved (P<0.05).
干物质、氮、能量的消化率提高(P>0.05)
The digestibility of DM, nitrogen, and energy was increased
对肠道菌群没有影响
No effect on intestinal flora.
—— [85]
0.3%葵酸(或辛酸)+饲料粪肠球菌(0.35×109CFU/kg饲料)
0.3% Decanoic Acid (or Capric acid) + Enterococcus faecalis(0.35×109CFU/kg feed)
体重和平均日增重显著提高;葵酸(P<0.01);辛酸(P<0.05)。
The BW and ADG were significantly improved. Maleic acid (P<0.01); Poignancy (P<0.05).
—— 盲肠和空肠中大肠杆菌和产气荚膜梭菌数量显著降低(P< 0.05); 十二指肠的绒毛高度和隐窝深度显著增加(P<0.01)
The numbers of E. coli and Clostridium perfringens in cecum and jejunum were significantly reduced. (P<0.05)The villi height and crypt depth of duodenum were significantly increased (P<0.01)
死亡率下降
2.2%-4.5%
Mortality was reduced by 2.2% to 4.5%
[79]
0.5%的中链脂肪酸(己酸或辛酸或葵酸)
0.5% MCFA(Caproic acid or Caprylic acid or Decanoic acid)
平均日增重和饲料转化效率提高;葵酸(P<0.05);己酸和辛酸组(P>0.05)
The ADG and FCR were increased. Keiroic acid (P<0.01); Caproic acid or Caprylic acid (P>0.05)
—— 1.5%MCFA混合物对肠道菌群没有影响
The 1.5% MCFA mixture had no effect on intestinal flora.
—— [86]