“…A number of researches reported that VE is able to fix and increase performance (Ajakaiye et al, 2011;Ciftci et al, 2005), egg production (Bolukbasi et al, 2007;Ciftci et al, 2005;Irandoust et al, 2012), quality of eggs (Ciftci et al, 2005;Jiang et al, 2013), immune system (Asli et al, 2007;Da Silva et al, 2009;Iqbal et al, 2015), and decrease malondialdehyde (Brenes et al, 2008;Goni et al, 2007;Jiang et al, 2013;Voljc et al, 2011) during heat stress.…”