本研究分为2个试验，试验1旨在评定赖氨酸发酵蛋白粉在生长猪上的营养价值;试验2研究赖氨酸发酵蛋白粉等蛋白质替代豆粕对生长肥育猪生长、胴体性状和肉品质的影响。试验1：选用（25.0±1.1）kg杜×长×大三元杂交猪12头进行消化代谢试验，随机分为2组，每组6个重复，每个重复1头猪，分别饲喂无氮日粮和以赖氨酸发酵蛋白粉作为唯一蛋白质源的试验日粮，预试期4d，正试期4d。试验2：选用（41.7±3.9）kg杜×长×大三元杂交猪100头进行饲养试验，随机分为4组，每组5个重复，每个重复5头猪。Ⅰ组为对照组，饲喂基础日粮；Ⅱ、Ⅲ和Ⅳ组分别为饲喂赖氨酸发酵蛋白粉等蛋白质替代10%、25%、50%豆粕的日粮，体重达100kg左右结束。消化代谢试验结果表明：赖氨酸发酵蛋白粉消化能为12.85MJ/kg，代谢能为11.80MJ/kg。总氨基酸含量为47.38%，总氨基酸的回肠表观消化率、真消化率分别为66.95%和70.52%，赖氨酸和蛋氨酸的回肠表观消化率、真消化率分别为72.00%、75.14%和59.37%、64.52%。饲养试验结果表明：与对照组相比，在生长期和全期，Ⅳ组平均日增重显著降低（P<0.05），料重比显著升高（P<0.05）；在肥育期，Ⅳ组平均日采食量显著增加（P<0.05），料重比显著升高（P<0.05）,生长期和肥育期，Ⅳ组氮消化率、氮生物学效价显著降低（P<0.05）。Ⅳ组背膘厚显著增加（P<0.05），眼肌面积和肌肉保水能力显著降低（P<0.05）。由此得出，与豆粕相比，赖氨酸发酵蛋白粉的粗蛋白质和脂肪含量较高，但非蛋白氮比例较大，氨基酸消化率较低。等蛋白质替代10%和25%豆粕对40～100 kg的生长肥育猪生产性能、胴体性状和肉品质均无影响，可作为饲粮中的新型蛋白质原料。

The study contained two experiments. Experiment 1 was designed to evaluate the nutritional value of lysine fermented protein meal. The purpose of experiment 2 was to study the effects of lysine fermented protein meal on growth, carcass traits and meat quality. Twelve Duroc×Landrance×Yorkshire cross breed pigs with body weight of (25.0±1.1) kg were randomly divided into 2 groups with 6 replicates in each group and each replicate contained 1 pig to carry out digestion and metabolism tests in experiment 1. The pigs in the two groups were fed N-free diet and experiment diet with lysine fermented protein meal as only protein source, respectively. Experiment 1 lasted for 4 days for adaptation, and 4 days for sampling. One hundred Duroc×Landrance×Yolkshire crossbreed pigs with body weight of (41.7±3.9) kg were randomly divided into 4 groups with 5 replicates in each group and each replicate contained 5 pigs to carry out feeding test in experiment 2. Soybean protein was substituted by 10%, 25%, 50% lysine fermented protein meal to feed growing pigs in groups Ⅱ, Ⅲ, Ⅳ and basal diet as control in group Ⅰ. Carcass traits and meat quality were measured when the pigs were slaughtered with the body weight of 100 kg. The results of digestion and metabolism tests showed that the lysine fermented protein meal contained 12.85 MJ/kg digestible energy, 11.80 MJ/kg metabolic energy, 47.38% total amino acids; ileal apparent and true digestibility of total amino acids were 67.0% and 70.5%, respectively; ileal apparent and true digestibility of lysine and methionine were 72.0%, 75.1% and 59.4%, 64.5%, respectively The results of feeding test showed that, compared with control group, average daily gain (ADG) in group Ⅳ was significantly decreased (P<0.05) and the ratio of feed to gain (F/G) in group Ⅳ was significantly increased (P<0.05) in growing and overall stage; average daily feed intake (ADFI) and F/G in group Ⅳ were significantly increased (P<0.05) in finishing stage. In growing and finishing stage, digestibility of nitrogen and biological value of nitrogen in group Ⅳ were significantly lower than that in other groups (P<0.05). The back fat thickness in group Ⅳ was significantly higher than that in other groups (P<0.05), the loin eye area and water keeping ability were significantly lower than that in other groups (P<0.05). In concluded, compared with soybean, crude protein and ether extract of lysine fermented protein meal were higher, amino acids digestibility of lysine fermented protein meal was lower, but the nonprotein nitrogen ratio was higher too. There were no effects on growth performance, carcass traits and meat quality when soybean protein were substituted by 10% and 25% lysine fermented protein meal in diet for 40～100 kg growingfinishing pigs, and it was feasible for lysine fermented protein meal as a new protein source.