植物乳杆菌(Lactiplantibacillus plantarum) GKM4改善精液质量
Lactiplantibacillus plantarum GKM4 Improves Sperm Quality

精液品质(sperm quality)会随年龄增长老化的发生而有逐年下降的趋势，环境也是其中因素之一。本实验选用大型动物种猪(swine)进行试验，用来评估植物乳杆菌(Lactiplantibacillus plantarum) GKM4对于精子品质的影响。试验分别纪录2019年至2021年间年长之繁殖用公猪的精子质量，分析项目包含精液量(ejaculate volume)、精子活动力(sperm motility)、精子数(sperm number)、精子型态(sperm morphology)等。以益生菌介入后之2020年与无益生菌介入之2019年同期相比，摄食益生菌GKM4之年长公猪的精子活动力显着维持，且畸形精子(abnormal sperm)比例具下降趋势。另外，种猪之精液质量亦会受环境影响，尤其是夏季温度高易使精液质量下降。因此本试验又于2021年分析夏季时段投予菌株GKM4每天100公克于公猪饲料中的公猪精液质量差异，结果在夏季时段相比无菌株介入之组别，菌株GKM4可有效提升公猪精子活动力、正常型态的精子比例，以及降低畸形精子的比例。总观上述统计资料分析，益生菌L. plantarum GKM4的摄取可有效改善精液质量，尤其是提高精子的活动力、改善精子性状，减少受精过程的胚胎发育异常，提高生育力。
The semen quality will decline year by year with aging, and the environment is also another factor. In this experiment, large-scale animal, swine, was used to evaluate the effects of Lactiplantibacillus plantarum GKM4 on the sperm quality. The sperm quality of older breeding boars from 2019 to 2021 was recorded. The analysis items include ejaculate volume, sperm motility, sperm number, and sperm morphology. Compared with the same period in 2019 without probiotic intervention and in 2020 after probiotic intervention, the sperm motility of older boars fed with probiotic GKM4 was significantly maintained, and the proportion of abnormal sperm showed a downward trend. In addition, the semen quality of breeding pigs will also be affected by the environment, especially the high temperature in summer can easily reduce the semen quality. Therefore, in 2021, the difference in the sperm quality of boars with 100 g strain GKM4 in daily boar feed during the summer period was recorded. It was found that the sperm motility, the proportion of normal sperm was increased, and the proportion of abnormal sperm was decreased during the summer season in the GKM4 group when compared to the non-probiotics intervention. Overall, the above statistical data analysis showed that the intake of probiotic L. plantarum GKM4 could effectively improve semen quality, especially improve sperm motility, sperm morphology, and reduce the abnormal occurrence of fertilization process; therefore, the fertility was improved.