In searching for something in the Srimad Bhagavatam that gives some reference to castrating a bull to make an ox I could not find something that said “you castrate a bull” directly however there is some word use information that might be telling. I am not a sanskrit scholar and may be well off the point here (if you are one please help).
In looking at the words used for a bull we find Vrisha (and its linguistic derivatives) used for a full bull.
-This is used in regards to referring to a bull as
