The effects of dietary supplementation of olive leaf extract and eggshell with membrane on performance, egg quality, blood biochemical, and bone parameters in laying Japanese quail

This study was conducted to determine the effects of dietary supplementation olive leaf extract (OLE), eggshell with membrane (ESM), and ESM that absorbed OLE (OLE+ESM) on performance, egg quality, biochemical, bone parameters in laying Japanese quail. A total 112 quail, being 45-day-old, were divided into 4 groups replicates. The quail fed four diets: i) basal diet ii) supplemented 400 ppm iii) 2% ESM, iv) OLE. Egg weight observed be higher group (P<0.05). Total feed intake increased OLE+ESM production conversion ratio found better control (P<0.01). Shape index OLE, Percentages albumen shell significantly lower Percentage yolk, thickness, ash, yolk color not affected by (P>0.05). There no statistical difference tibia lowest concentration serum lactate dehydrogenase (LDH) Serum uric acid level decreased had limited impacts nutrition. Consequently, while individual usage did show remarkable effects, mixture has been positively affect quality performance parameters.