不同蛋白源及其组合对保育猪生长性能及血液生化指标的影响

发布时间：2018-05-25 23:13

本文选题：饲料蛋白源 + 组合　；参考：《湖南农业大学》2015年硕士论文

【摘要】：本研究旨在探讨不同蛋白源及其组合对保育猪生产性能、血液生化指标的影响,以筛选性价比高的蛋白源及其组合,为提高养猪业的经济效益提供试验依据。研究包括两个试验：试验一：采用单因素试验设计,选用健康、日龄相近、初始体重6.79±0.2kg的杜×长×大三元杂交保育猪144头,试验设4个处理组,每个处理6个重复,每个重复6头猪。试验分组为：A为对照组,B、C、D分别为试验组,A：基础日粮+3%鱼粉,B：基础日粮+2%肠膜蛋白,C：基础日粮+3%酵母,D：基础日粮+3%血浆,预饲期3天,试验期14天。试验各组日粮均按照NRC(1998)配制,消化能均为3400Kcal/kg左右,粗蛋白水平均为23%左右。试验结果如下：各试验组平均日采食量、平均日增重和料肉比与对照组A(鱼粉组)相比差异都不显著(P0.05),但对照组A的平均日增重要高于各试验组,比试验组B(肠膜蛋白组)、试验组C(酵母组)、试验组D(血浆组)分别高13.6%、1.9%、6.0%,试验组B最低；试验组C平均日采食量最高,分别比对照组A、试验组B、试验组D高0.2%、38%、2.48%；试验组B料肉比最高,分别比对照组A、试验组C、试验组D高4.3%、2.6%、0.7%。试验二：为了考察不同蛋白源的组合效应,选用健康、日龄相近、初始体重6.36kg±0.2kg的杜×长×大三元杂交保育猪108头,按试验要求随机分为3个处理组,每个处理6个重复,每个重复6头保育猪。采用单因素试验设计,试验分组为：A为对照组,B、C分别为试验组,A组：1.5%血浆+2%鱼粉,B：3%肠膜蛋白+5%鱼粉,C组：2%酵母+2%肠膜蛋白+2%鱼粉,预饲期3天,试验期14天。试验各组日粮均按照NRC(1998)配制,消化能均为3400Kca1/kg左右,粗蛋白水平均为23%左右。结果表明： (1)试验组C(2%酵母+2%肠膜蛋白+2%鱼粉)生产性能、经济效益、饲养效果最好,与对照组A(1.5%血浆+2%鱼粉)相比,仔猪平均日采食量、平均日增重、料肉比差异均不显著(P0.05),但分别提高1.7%、提高7.5%、降低5.9%,钱肉比降低5.2%；与试验组B(3%肠膜蛋白+5%鱼粉)相比,仔猪平均日采食量、平均日增重、料肉比差异均显著(P0.05),分别提高17.5%、提高32.4%、降低18.2%,钱肉比降低16.5%。 (2)试验组B(3%肠膜蛋白+5%鱼粉)与对照组A(1.5%血浆+2%鱼粉)相比,仔猪平均日采食量、平均日增重差异均显著(P0.05),分别减少32.4%、27.0%,料重比差异不显著(P0.05),但也提高13.1%,生产性能、经济效益、饲养效果最差。(3)血液生化指标(血清总蛋白、白蛋白、球蛋白、谷丙转氨酶、谷草转氨酶等)结果表明,对照组A(1.5%血浆+2%鱼粉)、试验组B(3%肠膜蛋白+5%鱼粉)、试验组C(2%酵母+2%肠膜蛋白+2%鱼粉)相互之间差异均不显著(P0.05)。综合两个试验的结果表明,基础日粮+3%鱼粉、基础日粮+2%肠膜蛋白、基础日粮+3%酵母、基础日粮+3%血浆在平均日增重、平均日采食量和料肉比方面差异都不显著(P0.05),但鱼粉、肠膜蛋白、酵母、血浆相互之间按一定比例组合添加到日粮中,存在不同差异水平。添加2%酵母+2%肠膜蛋白+2%鱼粉的试验日粮诱食效果最好,适口性极佳,能显著提高保育猪平均日采食量和平均日增重,并降低料重比。其适口性和提升保育猪生长性能方面,均要优于分别添加1.5%血浆+2%鱼粉、3%肠膜蛋白+5%鱼粉功能性蛋白源组合的日粮,经济效益好；与1.5%血浆+2%鱼粉、3%肠膜蛋白+5%鱼粉相比,饲喂含2%酵母+2%肠膜蛋白+2%鱼粉的保育猪全价饲料,钱肉比分别降低5.2%、16.5%。测定血液生化指标(血清总蛋白、白蛋白、球蛋白、谷丙转氨酶、谷草转氨酶等),1.5%血浆+2%鱼粉、3%肠膜蛋白+5%鱼粉、2%酵母+2%肠膜蛋白+2%鱼粉差异均不显著(P0.05)。
[Abstract]:The effects of different protein sources and their combinations on the production performance and blood biochemical indexes of pig breeding pigs were studied . The results showed that : A was the control group , the average daily gain and the meat ratio were similar to those of the control group A ( P0.05 ) , but the average daily gain in the control group was higher than that in the control group ( P < 0.05 ) .
The average daily intake of test group C was highest , which was 0.2 % , 38 % and 2.48 % higher than that in control group A , test group B and test group D , respectively .
The results showed that : ( 1 ) The test group C ( 2 % yeast + 2 % gut membrane protein + 2 % fish meal ) had better performance , economic benefit and better feeding effect than that of control group A ( 1.5 % plasma + 2 % fish meal ) . The results showed that : ( 1 ) The average daily gain of test group C ( 2 % yeast + 2 % intestine membrane protein + 2 % fish meal ) was not significant ( P0.05 ) .
Compared with control group B ( 3 % gut membrane protein + 5 % fish meal ) , the average daily gain of piglets , average daily gain and meat ratio were significantly higher than those in control group A ( P0.05 ) . ( 3 ) Blood biochemical indexes ( serum total protein , albumin , globulin , glutamic pyruvic transaminase , aspartate aminotransferase , etc . ) showed that there was no significant difference between control group A ( 1.5 % plasma + 2 % fish meal ) , test group B ( 3 % intestinal membrane protein + 5 % fish meal ) and test group C ( 2 % yeast + 2 % intestine membrane protein + 2 % fish meal ) .
Compared with 1.5 % plasma + 2 % fish meal , 3 % gut membrane protein + 5 % fish meal , the feed rate was decreased by 5.2 % and 16.5 % respectively . Blood biochemical indexes ( total serum protein , albumin , globulin , alanine aminotransferase , aspartate aminotransferase , etc . ) , 1.5 % plasma + 2 % fish meal , 3 % enteric protein + 5 % fish meal , 2 % yeast + 2 % enteric protein + 2 % fish meal were not significantly different ( P0.05 ) .
【学位授予单位】：湖南农业大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：S828.5

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