EFFECTS OF A NANOSTRUCTURE OF PHYTIC ACID ABSORBER ON THE PERFORMANCE AND PROTEIN DIGESTIBILITY IN LAYING HENS

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GHASEMINEZHAD S.; ZIAEI N.; RANJBAR M.; TASHAROFI S.

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Journal: JOURNAL OF LIVESTOCK SCIENCE AND TECHNOLOGIES Year:2017 | Volume:5 | Issue:2 Page(s): 1-9

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Title

EFFECTS OF A NANOSTRUCTURE OF PHYTIC ACID ABSORBER ON THE PERFORMANCE AND PROTEIN DIGESTIBILITY IN LAYING HENS

Author(s)

GHASEMINEZHAD S. | ZIAEI N. | RANJBAR M. | TASHAROFI S. | Issue Writer Certificate

Keywords

EGG PRODUCTION

PHYTATE PHOSPHORUS

EGG SHELL

DIGESTIBILITY

BOVANS

Abstract

A ten-week experiment was conducted to study the effect of a nanostructure of phytic acid absorber (NPAA) on the performance and protein DIGESTIBILITY in laying hens. A total of 100 BOVANS laying hens were randomly assigned to 5 treatments, with 4 replicates, 5 hens each. The experiment was a completely randomized design with 5 levels of NPAA; including zero (T1, as a basal diet (BD)); T2 (BD+0.5% NPAA); T3 (BD+0.25% NPAA); T4 (BD+0.0625% NPAA) and T5 (BD+0.03125% NPAA of total P) in diet. Water and feed were offered ad libitum. Inclusion of NPAA to the diet had significant effects (P<0.05) on EGG PRODUCTION (%) at 25 weeks of age and over the whole experiment. Dietary treatments significantly affected the egg weight (P<0.001) at 29th weeks of age, and hens receiving T5 produced heavier eggs compared to T1, T2 and T3 treatments. NPAA also affected (P<0.05) the egg mass and feed conversion ratio (FCR) at weeks 29 and 30. EGG SHELL weight was significantly (P<0.05) affected at 29th week of age; however, dietary treatments had no effect on the relative EGG SHELL thickness. EGG SHELL phosphorus and calcium contents were in-creased by 14.6 and 14.2% respectively at 29th week of age in T5 compared to the control. At 33rd week of age, hens in T4 group had significantly higher protein DIGESTIBILITY than T1 birds (P<0.05). It was concluded that inclusion of NPAA to the diet at the level of 0.0625%, may reduce the anti-nutritional effects of phytic acid and improve production performance and protein DIGESTIBILITY in laying hens.

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APA: Copy

GHASEMINEZHAD, S., ZIAEI, N., RANJBAR, M., & TASHAROFI, S.. (2017). EFFECTS OF A NANOSTRUCTURE OF PHYTIC ACID ABSORBER ON THE PERFORMANCE AND PROTEIN DIGESTIBILITY IN LAYING HENS. JOURNAL OF LIVESTOCK SCIENCE AND TECHNOLOGIES, 5(2), 1-9. SID. https://sid.ir/paper/265594/en

Vancouver: Copy

GHASEMINEZHAD S., ZIAEI N., RANJBAR M., TASHAROFI S.. EFFECTS OF A NANOSTRUCTURE OF PHYTIC ACID ABSORBER ON THE PERFORMANCE AND PROTEIN DIGESTIBILITY IN LAYING HENS. JOURNAL OF LIVESTOCK SCIENCE AND TECHNOLOGIES[Internet]. 2017;5(2):1-9. Available from: https://sid.ir/paper/265594/en

IEEE: Copy

S. GHASEMINEZHAD, N. ZIAEI, M. RANJBAR, and S. TASHAROFI, “EFFECTS OF A NANOSTRUCTURE OF PHYTIC ACID ABSORBER ON THE PERFORMANCE AND PROTEIN DIGESTIBILITY IN LAYING HENS,” JOURNAL OF LIVESTOCK SCIENCE AND TECHNOLOGIES, vol. 5, no. 2, pp. 1–9, 2017, [Online]. Available: https://sid.ir/paper/265594/en

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