I beg to differ.
Before saying anything like this is makrooh and that is makrooh, why do not you LINK us to a VALID & ACCEPTED person who has given the 'fatwa' that khassi is makrooh?... stop acting like a desi mullah.
Khasi in NOT makrooh.
Some of the plus point of a castrated goat are;
Will not drink his own urine (andu aka boo bakra will drink his own urine)
Meat of castrated goat will not 'smell' compared to uncastrated goat
Meat will be more rich and healthy compared to un-castrated goats (this is just my assumption)
You should think... why every goat raised to be slaughtered is castrated? there has to be some good reason behind it.