Response to letter to the editors by Behnam Saremi referring to the article 'Feeding guanidinoacetic acid to broiler chickens can compensate for low dietary metabolizable energy formulation' by Pirgozliev et al. Issue 3 (4th May 2022) - Pirgozliev, V.; Rose, S. P.; Mirza, M. W.; Whiting, I. M.; Malins, H.; Bauer, L.; Lemme, A.