Effect of different levels of organic chromium on performance and egg quality characteristics of laying hens reared at high stock density

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SALARI S.; Boazar E.; RASHIDI N.

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Journal: Animal Production Research Year:2020 | Volume:8 | Issue:4 Page(s): 51-63

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Title

Effect of different levels of organic chromium on performance and egg quality characteristics of laying hens reared at high stock density

Author(s)

SALARI S. | Boazar E. | RASHIDI N. | Issue Writer Certificate

Keywords

DensityQ1

PerformanceQ2

Chromium methionineQ1

Laying henQ2

Abstract

In order to study the effects of various levels of organic chromium on Performance and egg quality characteristics of Laying hens reared at high stock Density, an experiment was done using two levels of Density (three and five birds per cage) and four levels of organic chromium (0, 300, 600 and 900 ppb) with 192 Laying hens (Hy-line W-36) in a completely randomized design with factorial arrangement of 4×2 with six replicates. The results showed that dietary supplementation of chromium at normal and high stock Density had not significant effect on Performance of layers. Egg weight significantly increased at levels of 600 and 900 ppb (56. 96 and 56. 91 g) and feed intake significantly decreased (99. 34 vs. 105. 05) in birds reared at high stock Density compared to the birds reared at normal stock Density (P<0. 05). In the first four, second, and whole periods of sampling, dietary inclusion of chromium at normal and high stock Density, increased significantly egg yolk color and egg shell strength compared to the control (P<0. 05). Dietary supplementation of chromium at normal and high stock Density had not significant effect on blood parameters and tibia charachteristics of layers. In general, the results of the experiment showed that by increasing dietary supplementation of chromium at high stock Density up to 900 ppb, egg yolk color and egg shell strength significantly increased in Laying hens.

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APA: Copy

SALARI, S., Boazar, E., & RASHIDI, N.. (2020). Effect of different levels of organic chromium on performance and egg quality characteristics of laying hens reared at high stock density. ANIMAL PRODUCTION RESEARCH, 8(4 ), 51-63. SID. https://sid.ir/paper/367589/en

Vancouver: Copy

SALARI S., Boazar E., RASHIDI N.. Effect of different levels of organic chromium on performance and egg quality characteristics of laying hens reared at high stock density. ANIMAL PRODUCTION RESEARCH[Internet]. 2020;8(4 ):51-63. Available from: https://sid.ir/paper/367589/en

IEEE: Copy

S. SALARI, E. Boazar, and N. RASHIDI, “Effect of different levels of organic chromium on performance and egg quality characteristics of laying hens reared at high stock density,” ANIMAL PRODUCTION RESEARCH, vol. 8, no. 4 , pp. 51–63, 2020, [Online]. Available: https://sid.ir/paper/367589/en

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