饲料中添加枯草芽孢杆菌制剂对肉鹅生长性能及粪便中NH_3和H_2S去除效果的影响
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摘要
为探讨饲料中添加枯草芽孢杆菌制剂对肉鹅生长性能及粪便中NH_3和H_2S去除效果的影响,试验选用体重相近肉鹅240只,随机分为4组,每组3个重复,每个重复20只,1组为空白对照组饲喂基础日粮,试验2、3、4组分别在基础日粮中添加1.5%、2.0%、2.5%复合枯草芽孢杆菌制剂,预试验为7 d,试验期28 d。试验结束测定肉鹅生长性能和粪便中NH_3和H_2S的含量。结果表明:试验2、3、4组平均日采食量均高于1组(P> 0.05),试验3、4组的试验末重和平均日增重较1组分别提高17.3%、16.67%、12.06%、9.75%(P <0.05),试验3、4组的料重比较1组分别降低15.60%、8.51%(P <0.05);试验3、4组粪便中的H_2S和NH_3含量较1组分别降低26.34%、25.95%、31.99%、25.35%(P <0.05)。综上所述,在基础饲料中添加2.0%复合枯草芽孢杆菌制剂可以提高肉鹅的生产性能,降低粪便中NH_3和H_2S的含量。
The purpose of this study was to investigate the effects of Bacillus subtilis preparation on growth performance and removal of NH_3 and H_2S from feces of broiler geese.240 broiler geese with similar body weight were randomly divided into four groups,each group had 3 replicates,each replicate had 20.One group were fed with basic diet for blank control group.The second,third and fourth groups were fed with 1.5%,2.0% and 2.5% compound Bacillus subtilis preparation in the basic diet respectively.The preliminary test lasted for 7 days and the experimental period was 28 days.The growth performance of the geese and the contents of NH_3 and H_2S in the feces were determined at the end of the experiment.The results showed that:(1) The average daily feed intake of groups 2,3 and 4 were higher than that of group 1(P > 0.05).The final weight and average daily gain of groups 3 and 4 were 17.3%,16.67%,12.06% and 9.75% higher than that of group 1(P < 0.05),respectively.In the 3 and 4 groups,the feed/gain were decreased by 15.60% and 8.51% respectively compared with the 1 group(P < 0.05).(2) The contents of H_2S and NH_3 in the feces of groups 3 and 4 were 26.34%,25.95%,31.99% and 25.35% lower than those of group 1(P < 0.05).To sum up,adding 2.0% compound Bacillus subtilis preparation to basic feed could improve the production performance of broiler goose and reduce the content of NH_3 and H_2S in feces.
The purpose of this study was to investigate the effects of Bacillus subtilis preparation on growth performance and removal of NH_3 and H_2S from feces of broiler geese.240 broiler geese with similar body weight were randomly divided into four groups,each group had 3 replicates,each replicate had 20.One group were fed with basic diet for blank control group.The second,third and fourth groups were fed with 1.5%,2.0% and 2.5% compound Bacillus subtilis preparation in the basic diet respectively.The preliminary test lasted for 7 days and the experimental period was 28 days.The growth performance of the geese and the contents of NH_3 and H_2S in the feces were determined at the end of the experiment.The results showed that:(1) The average daily feed intake of groups 2,3 and 4 were higher than that of group 1(P > 0.05).The final weight and average daily gain of groups 3 and 4 were 17.3%,16.67%,12.06% and 9.75% higher than that of group 1(P < 0.05),respectively.In the 3 and 4 groups,the feed/gain were decreased by 15.60% and 8.51% respectively compared with the 1 group(P < 0.05).(2) The contents of H_2S and NH_3 in the feces of groups 3 and 4 were 26.34%,25.95%,31.99% and 25.35% lower than those of group 1(P < 0.05).To sum up,adding 2.0% compound Bacillus subtilis preparation to basic feed could improve the production performance of broiler goose and reduce the content of NH_3 and H_2S in feces.
引文
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[3]段玲欣,李蕴玉,贾青辉,等.蚯蚓粪对鲜鸡粪发酵后NH3和H2S的去除效果[J].河北科技师范学院学报,2015,29(3):17~20.
[4]韩玲,马明颖,孟越,等.复合微生物制剂对蛋鸡舍内有害气体、养分消化率及肠道菌群的影响[J].黑龙江畜牧兽医,2015,5:85~87.
[5]胡昌艳,赵晓钰,马军,等.复合微生物制剂对蛋鸡产蛋性能、蛋品质及发酵粪中氨气和硫化氢散发量的影响[J].饲料研究,2016,24:31~37.
[6]姜军坡,王迈,王世英,等.芽孢益生菌剂Z-27替代抗生素在仔猪养殖中的应用[J].黑龙江畜牧兽医,2017,3:141~143.
[7]孔令勇,盛祖勋,杨雪林,等.微生态制剂对樱桃谷肉鸭生长性能、屠宰性能及免疫器官发育的影响[J].动物营养学报,2012,24(8):1577~1582.
[8]李晓刚.巨大芽孢杆菌降低蛋鸡排泄物中氨和硫化氢机制的研究[D].扬州:扬州大学,2012.
[9]裴跃明,邵强,吴桂龙,等.枯草芽孢杆菌制剂对产蛋后期蛋鸡生产性能、蛋品质、免疫及肠道菌群的影响[J].中国畜牧杂志,2016,52(7):61~65+70.
[10]吴东.复合微生物饲料添加剂的研究[D].兰州:兰州交通大学,2015.
[11]张旭,周旺平,胡艳,等.芽孢杆菌制剂对蛋鸡生产性能和蛋品质的影响[J].家畜生态学报,2010,31(6):34~38+56.
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