复方中草药对猪生长性能、屠宰性能、肉品质和免疫功能的影响

试验旨在研究复方中草药对猪生长性能、屠宰性能、肉品质和免疫功能的影响。将60头育肥猪随机分成4组,每组15头猪。对照组、Ⅰ组、Ⅱ组、Ⅲ组分别在基础日粮中添加0、0.5%、1.0%、2.0%的复方中草药。结果显示:与对照组相比,Ⅰ组育肥猪平均日增重、血清免疫球蛋白G(IgG)含量均显著提高(P<0.05),失水率显著降低(P<0.05)。与对照组相比,Ⅱ组、Ⅲ组育肥猪末重、平均日增重、胴体重、胴体斜长、熟肉率、脾脏指数、血清免疫球蛋白A (IgA)含量、IgG含量均显著提高(P<0.05),料重比、背膘厚、剪切力、失水率均显著降低(P<0.05)。与Ⅰ组相比,Ⅱ组、Ⅲ组育肥猪胴体重、胴体斜长、血清IgG含量均显著提高(P<0.05),背膘厚均显著降低(P<0.05)。研究表明,育肥猪基础饲粮中添加1.0%和2.0%的该复方中草药制剂均能改善育肥猪的生长性能、屠宰性能、肉品质和免疫功能,临床应用中选择1.0%作为最适添加剂量。

Effect of compound Chinese herbal medicine on growth performance,slaughter performance,meat quality and immune function of pigs

In order to study the effects of compound Chinese herbal medicine on growth performance, slaughter performance, meat quality and immune function of pigs, 60 finishing pigs were randomly divided into four groups with 15 pigs in each group. The control group, group Ⅰ, group Ⅱ and group Ⅲ were added with 0, 0.5%, 1.0% and 2.0%compound Chinese herbal medicine respectively in the basic diet. The results showed that compared with control group,the average daily gain and serum IgG content of group Ⅰ were significantly increased(P<0.05), and the water loss rate was significantly decreased(P<0.05). Compared with control group, the final weight, average daily gain, ketone body weight, carcass slant length, cooked meat rate, spleen index, serum IgA and serum IgG content of group Ⅱ and group Ⅲwere significantly increased(P<0.05), while feed to weight ratio, backfat thickness, shear force and water loss rate were significantly decreased(P<0.05). Compared with group Ⅰ, the ketone weight, carcass slant length and serum IgG content of group Ⅱ and group Ⅲ were significantly increased(P<0.05), and backfat thickness was significantly decreased(P<0.05). The results indicated that the growth performance, slaughter performance, meat quality and immune function of finishing pigs could be improved by adding 1.0% and 2.0% of the compound Chinese herbal medicine preparation in the basic diet of fattening pigs, and 1.0% was selected as the optimal dosage in clinical application.