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《Acta Prataculturae Sinica》 2008-06
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Effects of alfalfa meal on production performance and serum of fattening pigs

WANG Cheng-zhang,LI De-feng,YAN Xue-bing,WANG Yan-hua,GUO Yu-xia,JIANG Yi-bao(College of Animal Science,Henan Agricultual University,Zhengzhou 450002,China)  
The nutritional value of alfalfa meal on fattening pigs was evaluated.The basic diet was corn-soybean meal.Forty fattening pigs,with body weights of about 50 kg each,were randomly divided into five groups of four replicates for each group and two pigs for each replicate.One of these groups was used as the control group;Others were used as treatment groups I to IV.The control group was fed the basic diet only while groups I to IV were fed diets containing different amounts of alfalfa meal(10%,15%,20%,20%+0.1% cellulase),but with the same concentration of the main nutrient items.The results showed that: 1) Groups II,III,and IV had a higher daily feed intake and daily weight gain than the control group.Groups II and IV had a higher feed conversion rate than the control group.2) Compared with the control group diet,there was more apparent digestibility of nutrients for groups I and II,although groups III and IV had similar digestibility to the control group.The digestibility of group IV was higher than that of group III,showing that it was useful to add 0.1% cellulase to a diet with larger amounts of alfalfa meal.3) When alfalfa meal was added to fattening pig's diet,the TG,ChO,and LDL-C concentrations in the serum decreased while HDL-C concentration in the serum significantly increased compared with the control.It was concluded that adding 15% alfalfa meal in the diet of fattening pigs should be recommend in the diet.The saponin in alfalfa meal plays a key role in decreasing cholesterol in the serum.
【Fund】: 河南省重大科技攻关项目(0422010300)资助
【CateGory Index】: S828.5
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