Researchers conducted two experiments to develop cost-effective feed for farming freshwater prawns in ponds. In the first experiment, they tested different diets made from local ingredients on prawns in individual ponds. Prawns fed with a diet containing fish meal and other ingredients showed the best growth and survival rates. In the second experiment, they studied the growth of prawns alongside indigenous carps in ponds using formulated diets. The prawns fed with a specific diet showed promising results in terms of growth and production. Overall, the study suggests that using locally available ingredients can lead to successful prawn farming with good outcomes.