Question: asking about feeding of one month old orphan calf. training on management of calltle. 
Answer: recommended to feed calf starter ration @ 1 to 1.5 kg per day along with whole milk of other cow. for taraining on cattle management consult with dr. (mrs) rijusmita sarma deka krishi vigyan kendra (kvk) marigaon (7896028773) or marigaon district animal husbandry department.