Parra , G., et al. “The Effect of Spray-Dried Bovine Plasma and Shrimp Hydrolysate on Components of the Immune System and Zootechnical Parameters in Broiler Chickens”. International Journal of Poultry Science, vol. 18, no. 6, May 2019, pp. 264–275, https://doi.org/10.3923/ijps.2019.264.275.