Question:    query regarding duck farming      
Answer: indian runner is a good breed of duck, can be rear in a duckery unit  / the duckery  preferably constructed in the midst of the pond varying size & shape. the  size of the duckery  depend upon the size of water basin/ pond .' the advantage of such duckery is -- easy to maintain , decrease labour cost , indirectly provide feed  for fish  on  24 hour basis through their [ duck] deficate material, save the duck/duckling from extraneous attack  like wild animal fox, cat ,rodent, wild birds / the shed should be well constructed making a small gap between the wooden sheet used on the duckery floor for easy drainage of fecal material &  duckery disposal ,  the  base of the farm ,[floor ] should be constructed keeping sufficient distance from the water level of the pond , water resorvior ., the feed bag used for fish  can be tied on the post of the duckery which is on the midst or viscinity of  of water & the feed bag can be tied on such post from inside of the duckery  without making turbid of pond water-- for duck mainly two vaccine are used for immunization  like - duck plague & duck viral hepatitis [ dvh] given at the 4 th week & 6 th week of age of the duclklings [ literally ] - the time , age of vaccination may very due to the physiology , heath  etc - it depends upon the veterinarian 's wish .