Effects of using processed barley and supplemented multi-enzymes in laying hen rations on egg production, egg quality, and egg fatty acids

In this study, we have observed different technological processes, which are commonly used in poultry production. Rations contained different amounts of barley and multi-enzyme, egg weight, egg mass, egg yield, feed intake, egg weight. The rations of the control groups were as follows: 0% barley (based of corn) (K), 15% untreated barley (A1), 15% pellet barley (A2), 15% flaked barley (A3), 30% untreated barley (A4), 30% pelleted barley (A5), 30% flaked barley (A6), 30% untreated barley + enzyme (0. 025 %) (A7). In the research, 64 brown laying hens ATAK-S for 36 weeks were divided into 8 different treatments for egg hens. Thirty-week-old laying hens were divided into 8 groups of 8 animals each with a similar live weight. Each treatment consisted of 8 animals in individual cages. Animals were completely randomly determined, grown in individual cages, and kept under a 16:8 h light: dark lighting period. Feed and water were given as ad-libitum. The highest egg weight was obtained from chickens fed with A2 group (62.98 g), and those chickens fed with A1 group (56.45 g) showed lowest egg weight (p ≤ 0.01) In terms of total egg mass, the statistical differences between the experimental groups were very important, but A2 had the highest value and A4 group had the highest value. (p ≤ 0.01). When considering the average feed consumption, feed consumption of A2 fed chickens was higher than the other groups (p ≤ 0.001). Feed consumption of chickens fed A4 and A7 groups were significantly less than that of A1 group and K group feed consuming groups (p ≤ 0.001). There was no significant difference in mean egg yield between treatments. When egg weight average was examined, it was found that egg weight was higher than A4 group’s weight ratios when A7 group’s added weighted ratio was considered (p ≤ 0.01). When we examined the omega- 6 (n- 6) and omega-3 (n- 3) fatty acids in the trial, linolelaidic acid, one of the omega 6 fatty acids, was found to differ between treatments (p ≤ 0.05). The lowest value for linolelaidic acid ranged from 0.022 in A3 group, while the highest value was 0.046 in A2 group.

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