复合益生菌发酵菌液对猪生长性能和猪舍内氨气浓度的影响

doi:10.16174/j.issn.1673-4645.2025.05.0002

摘要/Abstract

摘要： 本研究旨在探讨复合益生菌发酵菌液在养猪生产中的应用效果，分别从生长性能和环境改善两个方面进行了探索。试验1选取110头体重相近的生长猪，随机分为对照组和试验组，试验组在饮水中添加2%的复合益生菌发酵菌液，对照组饲喂正常日粮和水。结果显示，试验组猪只的平均日增重较对照组提高了7.65%（P＜0.01），料肉比降低了7.89%（P＜0.01），表明复合益生菌发酵菌液显著提升了育肥猪的生长性能。试验2共选取6个单元的猪只共4080头，对照组和试验组分别为2040头，试验组在饮水中添加2%的复合益生菌发酵菌液，对照组正常饮水，监测舍内氨气浓度的变化。结果显示，试验组的氨气浓度较对照组下降了35.42%（P＜0.01），表明复合益生菌发酵菌液能够有效改善猪舍空气质量。本试验旨在研究在猪只饮用水中添加复合益生菌发酵菌液对猪群生长性能和舍内氨气浓度的影响，以期为复合益生菌在畜牧业的应用提供数据支撑，提高养殖效益，降低养猪业对环境的消极影响。

关键词: 猪；复合益生菌；发酵菌液；生长性能；氨气浓度

Abstract: This study aimed to investigate the application effects of compound probiotic fermentation liquid in pig production, focusing on its impacts on growth performance and environmental improvement. In trial 1, 110 pigs were randomly divided into control and experimental groups. The experimental group received drinking water supplemented with 2% compound probiotic fermentation liquid. The results showed that the average daily weight gain of pigs in the test group increased by 7.68% (P<0.01) and the feed-to-meat ratio decreased by 7.89% (P<0.01) compared with that of the control group, indicating that the composite probiotic fermentation bacterial solution significantly enhanced the growth performance of fattening pigs. A total of 4 080 pigs were selected from six units in trial 2, with 2 040 pigs in the control and test groups, respectively. The experimental group was provided with drinking water supplemented with 2% of a composite probiotic fermentation liquid, while the control group received normal drinking water. The results showed that the ammonia concentration in the experimental group decreased by 35% (P<0.01) compared to the control group, indicating that the compound probiotic fermentation liquid effectively improved air quality. The aim of this experiment was to study the effects of adding compound probiotic fermentation liquid to the drinking water of pigs on the growth performance of pigs and the concentration of ammonia in the house, with a view to providing data support for the application of probiotic complexes in animal husbandry, improving the efficiency of farming, and decreasing the negative impacts of pig farming on the environment.

Key words: pig; compound probiotic; fermentation liquid; growth performance; ammonia concentration

中图分类号: S828；S816

龙红荣，曹小键，袁坤，张承华，汤建平. 复合益生菌发酵菌液对猪生长性能和猪舍内氨气浓度的影响[J]. 中国猪业, 2025, 20(5): 33-39.

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