**8. Conclusion**

Ruminants of developing and developed countries have different types of gut microbiota due to their living standard, feeding type, their managemental style. Although from above discussion we have a clear understanding that the interlink between gut microbiota and fiber digestion plays a key role for obtaining maximum profit from dairy animals. Therefore, the PY must be target specific which give maximum outcomes in cost effective manners. For animals of specific geographical region, a unique and precise YP must be designed by isolating the local yeast strains from that population, only then maximum beneficial outputs can be obtained. The reason beings, compactivity of the local strains with normal microbiota of the rumen ecosystem (**Figure 9**).

#### **Figure 9.**

*Target based Probiotic Preparation strategy: This figure showed probiotic preparation of by using the local animal GIT tract as preparation of local yeast probiotic. Interlinked factors involved in the application of probiotics in the ruminant's nutrition.*
