Question:  query regarding a 2 year old cross bred  heifer  calf  not showing the signs of oestrous 
Answer: - mineral mixture -10 gm orally daily , inject tonophosphen 10 ml - 2 ml i/ m ly every on alternate day , deworming should be done with suitable anthalmintic [ tab -pancur / fentas ,albomer suspension etc ] keep a teaser animal ,  provide good nutrition & management - wait for another 3- 4 month & observe the heifer