Nutritional evaluation of six protein concentrates for the pig

Abstract

Experiments with growing pigs fed isonitrogenous diets were done to compare the nutritional value of two new protein sources, blood protein (globulin) and prawn-head protein concentrate, with that of soybean meal (extracted), meat meal (54 per cent CP), casein and gluten. Growth performance results expressed on a percentage basis of animals given the control diet rated as follows: soybean meal 90 per cent, blood protein and casein 82 per cent, meat meal 75 per cent, prawn-head meal 70 per cent and gluten 63 per cent. From results on growth rate, efficiency of feed conversion and amino acids profiles, the two non-conventional protein concentrates appeared to be suitable for inclusion in the diets of monogastric animals.