Question:  query regarding  vaccine for cattle 
Answer:  vaccination can be done  at any time of the year , but  for  assam & adjoining states ( due to agro- climatic condition ) -- march- may ( 1 dose )  & october-december ( 2 nd dose )  should be given . viz --( fmd, bq, hs ) , generally morning time is preferred for vaccination ( ther should not be any specification  for the time in the year . the cited vaccine can be done in prgenent animal .