The Compendium of Caraka 8.12.25

8.12.25

viṃśatiśca tathā saptaviṃśatiścāmbucāribhiḥ/
nava matsyādibhiścaiva śikhikalpena bastayaḥ//

and twenty, as well as twenty-seven with aquatic birds; / and nine with fish and the like, enemas following the rooster procedure;