Question:  query regarding  incorporate  colocasia in cattle feed 
Answer:   told him to incorporate colocasia in cattle feed after processing, without reaching the toxic level [ threshold limit ] molasses or mineral supplement can be added to increase the palatability of the feed [ colocasia contain calcium oxalate which cause severe pain & irritation in smooth muscle , affecting the larynx & pharynx , so it should be used after processingi.e bioling , drying & crussing  etc ]