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The growth potential of livestock breeds of Pakistan remains under-utilized because of underfeeding and bad management. Neglected calves during their pre-weaning or post-weaning periods result in poor growth rate and delayed age at puberty due to being underweight. Main reason for neglected calves is their high feeding cost and fewer returns from their sale. The strategies to reduce the feeding cost during pre-weaning period include using milk replacers, weaning the calves at an early age and putting them on solid feeds or decrease the age at first calving through accelerated growth prior to...