Effects of the level of dietary rice bran with or without phytase, on performance and egg parameters of laying Japanese quail

Abstract

Cost of quail feed formulations can be reduced substantially by using cheap cereal by-products such as rice bran (RB) at higher levels. The objective of this study was to determine the maximum inclusion levels of dietary RB with or without exogenous phytase, for laying Japanese quail. In a completely randomized design with a 3 x 2 factorial arrangement, 108 quails in 36 cages received six experimental diets ad libitum from 8 to 15 week. Experimental factors were three dietary RB inclusion levels (20, 30 and 40%) and two phytase levels (0 and 1000 FTU/kg). The level of dietary RB, phytase supplementation and their interaction had no significant effects on live weight or feed intake. The total egg production of the quail fed 40% RB was significantly lower than that of quail fed 20 and 30% RB. Egg laying rate of the quail fed 40% RB was significantly lower than those of the quail fed 20 or 30% RB from 6 th week onwards. By eighth week, 30% RB resulted in significantly lower egg laying rate compared to the quail fed 20% RB. Feed conversion ratio (FCR) of the quail fed 40% RB was significantly higher than those of 20 or 30 % RB fed. Adverse effects of phytate in 30 or 40% RB on egg number, egg mass and FCR were not mitigated by the supplemental phytase. It is concluded that inclusion of more than 20% RB in the diets of laying Japanese quail reduces the production performances.

Effect of dietary extracted rice bran supplementation on production performance and excreta microflora in laying hens

“…Currently, there is little data on the influence of ERB supplementation on laying a Provided per kilogram of diet: all-trans-retinyl acetate, 2.0 mg; cholecalciferol, 0.025 mg; all-rac-α-tocopherol acetate,1.75 mg; menadione (menadione sodium bisulfite), 1.9 mg; riboflavin, 7 mg; thiamine (thiamine mononitrate), 2.1 mg; pyridoxine, 3.2 mg; niacin, 55 mg; Ca pantothenate, 15 mg; cobalamin, 0.04 mg; folic acid, 0.85 mg; D-biotin, 0.1 mg. hens; thus, there are no comparisons could be made with other studies. However, it has been reported that the effect of dietary supplementation of 20%, 30%, and 40% rice bran had no significant difference on yolk, albumin, shell (Abeyrathna et al 2015), which were in line with our finding. In addition, other studies showed that increasing of RB level up to 10% (Nobakht 2007) or 15% (Ersin Samli et al 2006) had no effect on egg-quality Note: CON (control), basal diet; T1, CON + 0.01% extracted rice bran; T2, CON + 0.02% extracted rice bran; SEM, standard error of the mean.…”

Effect of Rice Bran on Productivity, Hatchability and Yolk and Blood Lipid Profile of Laying Japanese Quail

“…Our results were in agreement with the results presented by Dung et al (2012) reported that levels of 2.5 and 3% of rice bran oil had beneficial effect on lowering egg yolk cholesterol. But the results of Safamehr and Attarhoseini (2011) and Abeyrathna et al (2014) showed that inclusion of the rice bran in laying hens diets did not significantly influence cholesterol in egg yolk as compared with the control group.…”

“…These results were in agreement with those of Amoah and Martin (2010) who reported that performance of laying type quail fed 20% full fat rice bran was comparable with those fed control diet. On the other hand, Abeyrathna et al (2014) reported that the total egg production of quail fed diet containing 40% rice bran was significantly lower than that of birds fed 20 and 30% of rice bran.…”

Supplementation of Diet With Microbial And Thermo-Stable 6-Phytase With Recommended And Deficient CA and P Level on Broiler Performance

“…Santos et al (2013) found feed consumption did not differ significantly with phytase supplementation by the lower mineral diets during 21 days experimental period. Abeyrathna et al (2014) stated that phytase supplementation did not affect feed consumption and FCR of Laying Japanese Quail. All these results agreed our results during 35 days experimental period in this experiment.…”