biting of tortise

by manisha
(india)

they are apporx 4yrs and its male and its at hme he bits nwdays on leg?what to do for it?i evn have female they do sex,hw to knw wheather she is pregant???n the female does nt move from its place n is more heavy than male???sometimes the female discharges some white thing?wats that???plz do help us.............