苜蓿皂苷对断奶仔猪生产性能、消化率及血液生化指标的影响

草业学报 ›› 2009, Vol. 18 ›› Issue (5): 115-122.

苜蓿皂苷对断奶仔猪生产性能、消化率及血液生化指标的影响

王彦华^1,2,王成章^1*,高永革²,严学兵¹,史莹华¹,何云³

1.河南农业大学牧医工程学院,河南郑州 450002;
2.河南省饲草饲料站,河南郑州 450008;
3.河南科技学院动物科学学院,河南新乡 453003

收稿日期:2009-02-14 出版日期:2009-10-20 发布日期:2009-10-20
作者简介:王彦华(1980-),男,河南西平人,硕士。E-mail:wangyanhua@yahoo.cn
基金资助:
农业部牧草产业技术体系建设项目资助

Effects of alfalfa saponins on the nutrient digestibility, production performance and blood biochemical index of weaned piglets

WANG Yan-hua^1,2,WANG Cheng-zhang¹, GAO Yong-ge², YAN Xue-bing¹, SHI Ying-hua¹, HE-Yun³

1.Engineering College of Animal Husbandry and Veterinary Science of Henan Agricultural University,
Zhengzhou 450002, China;
2.Forage and Feed Station of Henan Province, Zhengzhou 450008, China;

3.College of Animal Science of the Institute of Science and Technology, Xinxiang 453003, China

Received:2009-02-14 Online:2009-10-20 Published:2009-10-20

摘要/Abstract

摘要： 研究了苜蓿皂苷对杜×长×大三元杂交断奶仔猪生产性能及血清生化指标的影响。根据品种、胎次、日龄、体重尽量一致的原则,选择健康无病体重9.2 kg左右的杜长大三元杂交仔猪48头(阉公猪和小母猪各半),试验采用4处理3重复单因子完全随机设计。对照组喂基础饲粮,试验组在对照组饲粮的基础上分别添加0.25％(试验Ⅰ组)、0.50％(试验Ⅱ组)和1.00％(试验Ⅲ组)的苜蓿皂苷。结果显示,1) 饲粮中添加苜蓿皂苷,提高了仔猪的日增重(0.25%的皂苷添加量效果最佳),降低了料重比(0.50%的皂苷添加量效果最佳),在一定程度上降低了仔猪的腹泻;2)苜蓿皂苷提高了粗脂肪、粗灰分和中性洗涤纤维的消化率,对粗蛋白质消化率有一定的降低作用;3)苜蓿皂苷提高了血液中红细胞和白细胞的数量,其中红细胞数量试验II组极显著(P<0.01)高于对照组,白细胞数量试验III组显著高于对照组; 4)血清中谷草转氨酶活性随皂苷添加量的增加不断提高,葡萄糖含量与之相反,但二者4个处理组之间差异均不显著(P>0.05);各试验组碱性磷酸酶均极显著(P<0.01)高于对照组,试验组尿素氮的含量均低于对照组。说明在饲粮中添加一定量的苜蓿皂苷有利于提高仔猪的生产性能,其最佳添加量在0.25%~0.50%。

Abstract: The Objective of this study was to evaluate the effects of alfalfa saponins on growth performance and blood biochemical index of weaned piglets. The Piglets were weaned at 9.2 kg and divided into 4 treatments with three replicates each treatment, and four Piglets per replicate according to birth date, litter, and gender, using complete random single factorial design. The levels of alfalfa saponins were 0%, 0.25%, 0.5%, and 1.0%, respectively. The Results showed that: 1) The daily gain of piglets fed with 0.25% and 0.50% alfalfa saponins were significantly higher than that of control group, and their relative growth rate were increased, and the feed weight ratio of the trial groups were lower compared control group. 2) Alfalfa saponins had positive influence on the digestibility coefficient of crude fat, crude ash and neutral detergent fiber for feed; however, the digestibility coefficient of crude protein in feed was reduced. 3) The number of red blood cell and white blood cell of blood was improved when the piglets was fed with alfalfa saponins, for example, those of 0.50% group were very significantly higher than that of control group(P<0.01). 4) The Urea nitrogen content of the trial groups was significantly lower than that of control group. With the alfalfa saponins level increased, the aspartate aminotransferase activity was increased, but the serum glucose was opposite (P>0.05), alkaline phosphatase content of the trial groups were very significantly higher than that of control group(P<0.01). The result of the study suggested that the suitable alfalfa saponins can improve the production of weaned piglets, and the appropriate amounts of alfalfa saponins in weaned piglets diet was between 0.25%-0.50%.

中图分类号:

S828.5

王彦华,王成章,高永革,严学兵,史莹华,何云. 苜蓿皂苷对断奶仔猪生产性能、消化率及血液生化指标的影响[J]. 草业学报, 2009, 18(5): 115-122.

WANG Yan-hua,WANG Cheng-zhang, GAO Yong-ge, YAN Xue-bing, SHI Ying-hua, HE-Yun. Effects of alfalfa saponins on the nutrient digestibility, production performance and blood biochemical index of weaned piglets[J]. Acta Prataculturae Sinica, 2009, 18(5): 115-122.

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